Oppo A5x
Realme C71

Oppo A5x Realme C71

Overview

Welcome to our in-depth comparison of the Oppo A5x and the Realme C71, two budget-friendly Android 15 smartphones that take noticeably different paths to deliver value. Both phones share a large 6.67″ LCD IPS display, 128GB of storage, and 45W fast charging, but beneath the surface the rivalry heats up across key areas like processing power and performance, display smoothness, water resistance, and audio features. Read on to see which device best fits your needs.

Common Features

  • Neither the Oppo A5x nor the Realme C71 has a rugged build.
  • Neither device can be folded.
  • Both phones feature an LCD IPS display type.
  • Both devices have a screen size of 6.67″.
  • Both phones have a pixel density of 264 ppi.
  • Both devices share a resolution of 720 x 1604 px.
  • HDR10 support is not available on either product.
  • HDR10+ support is not available on either product.
  • Always-On Display is not available on either product.
  • Dolby Vision support is not available on either product.
  • Both phones come with 128GB of internal storage.
  • Both devices support LTE connectivity.
  • Both phones run Android 15.
  • Wireless charging is not supported on either device.
  • Both devices support fast charging at 45W.
  • Neither phone has a removable battery.
  • Both phones lack 5G support.
  • Both devices support Wi-Fi 4 and Wi-Fi 5.
  • Both phones have dual SIM card slots.
  • Both devices include a USB Type-C port with USB 2.0.
  • Both phones feature a fingerprint scanner.
  • Both devices have an external memory slot.
  • Emergency SOS via satellite is not available on either phone.
  • Neither phone has a sapphire glass display.
  • Neither device has a curved or e-paper display.
  • Both phones have a video light.
  • Both devices have a single-lens main camera.
  • Both phones have a 5MP front camera.
  • Neither phone has built-in optical image stabilization.
  • Both devices record video at 1080p 30fps on the main camera.
  • Both phones use a CMOS sensor.
  • Both devices have clipboard warnings.
  • Both phones offer location privacy options.
  • Both devices provide camera and microphone privacy options.
  • Mail Privacy Protection is not available on either device.
  • Both phones support theme customization.
  • Both devices allow blocking of app tracking.
  • Cross-site tracking is not blocked on either phone.
  • Both phones support 8 CPU threads.
  • Both devices use big.LITTLE CPU technology.
  • Both phones have TrustZone security.
  • Both devices support OpenGL ES version 3.2.
  • Both phones have integrated graphics.

Main Differences

  • Water resistance is rated as water resistant on Oppo A5x and waterproof on Realme C71.
  • The IP rating is IP65 on Oppo A5x and IP68 on Realme C71.
  • Weight is 193 g on Oppo A5x and 196 g on Realme C71.
  • Thickness is 8 mm on Oppo A5x and 7.8 mm on Realme C71.
  • Width is 76.2 mm on Oppo A5x and 75.9 mm on Realme C71.
  • Height is 165.7 mm on Oppo A5x and 165.8 mm on Realme C71.
  • Volume is 101.01 cm³ on Oppo A5x and 98.16 cm³ on Realme C71.
  • Display refresh rate is 90Hz on Oppo A5x and 120Hz on Realme C71.
  • Damage-resistant glass is present on Oppo A5x but not available on Realme C71.
  • RAM is 8GB on Oppo A5x and 6GB on Realme C71.
  • The chipset is Qualcomm Snapdragon 6 Gen 1 on Oppo A5x and Unisoc T7250 on Realme C71.
  • The GPU is Adreno 710 on Oppo A5x and Mali G57 on Realme C71.
  • CPU speed is 4 x 2.2 & 4 x 1.8 GHz on Oppo A5x and 2 x 1.8 & 6 x 1.6 GHz on Realme C71.
  • Geekbench 6 multi-core score is 2748 on Oppo A5x and 1461 on Realme C71.
  • Geekbench 6 single-core score is 943 on Oppo A5x and 437 on Realme C71.
  • GPU clock speed is 800 MHz on Oppo A5x and 850 MHz on Realme C71.
  • RAM speed is 2750 MHz on Oppo A5x and 1866 MHz on Realme C71.
  • Semiconductor size is 4 nm on Oppo A5x and 12 nm on Realme C71.
  • Thermal Design Power is 7W on Oppo A5x and 10W on Realme C71.
  • DDR memory version is DDR5 on Oppo A5x and DDR4 on Realme C71.
  • Shading units number 128 on Oppo A5x and 64 on Realme C71.
  • Main camera resolution is 32 MP on Oppo A5x and 50 MP on Realme C71.
  • Battery capacity is 6000 mAh on Oppo A5x and 6300 mAh on Realme C71.
  • A 3.5mm audio jack is absent on Oppo A5x but present on Realme C71.
  • Stereo speakers are present on Oppo A5x but not available on Realme C71.
  • aptX support is available on Oppo A5x but not on Realme C71.
  • Bluetooth version is 5.0 on Oppo A5x and 5.2 on Realme C71.
  • NFC is absent on Oppo A5x but present on Realme C71.
  • Download speed is 2900 Mbits/s on Oppo A5x and 300 Mbits/s on Realme C71.
  • Upload speed is 900 Mbits/s on Oppo A5x and 150 Mbits/s on Realme C71.
  • An infrared sensor is present on Oppo A5x but not available on Realme C71.
Specs Comparison
Oppo A5x

Oppo A5x

Realme C71

Realme C71

Design:
water resistance Water resistant Waterproof
weight 193 g 196 g
thickness 8 mm 7.8 mm
width 76.2 mm 75.9 mm
height 165.7 mm 165.8 mm
volume 101.01072 cm³ 98.156916 cm³
Ingress Protection (IP) rating IP65 IP68
has a rugged build
can be folded

In terms of physical dimensions, the Oppo A5x and Realme C71 are remarkably close siblings: near-identical height, a difference of just 0.3 mm in width, and a weight gap of only 3 grams. In day-to-day handling, none of this will be perceptible. The C71 is marginally slimmer at 7.8 mm versus the A5x's 8 mm, and its slightly smaller volume of 98.16 cm³ compared to 101.01 cm³ suggests a fractionally tighter, more compact chassis — but again, the practical difference is negligible. Neither device features a rugged build or a foldable form factor.

Where the two phones genuinely diverge is in water protection, and the gap here is far from trivial. The A5x carries an IP65 rating, meaning it is dust-tight and can withstand directed water jets — think rain or an accidental splash. The C71, however, steps up to IP68, which adds the ability to be submerged in water (typically up to 1.5 meters for 30 minutes under standard test conditions). In real-world terms, this is the difference between surviving a rain shower and surviving a drop into a sink or pool. The spec labels reflect this accurately: the A5x is described as ″water resistant″ while the C71 is classified as ″waterproof.″

Overall, the Realme C71 holds a clear advantage in this category. Its marginally slimmer profile is a minor plus, but the decisive factor is the IP68 certification, which offers meaningfully superior liquid protection over the A5x's IP65. For users who prioritize peace of mind around water exposure, the C71 is the stronger choice based strictly on these design specs.

Display:
Display type LCD, IPS LCD, IPS
screen size 6.67" 6.67"
pixel density 264 ppi 264 ppi
resolution 720 x 1604 px 720 x 1604 px
refresh rate 90Hz 120Hz
has branded damage-resistant glass
supports HDR10
supports HDR10+
Always-On Display
supports Dolby Vision
Has a secondary screen
has a touch screen

The foundation of both displays is essentially identical: a 6.67-inch LCD IPS panel running at 720 x 1604 px with 264 ppi. That pixel density is adequate for everyday use but sits firmly in the HD+ tier, meaning text and fine detail will not be as crisp as on a Full HD+ screen. Neither device supports HDR10, HDR10+, or Dolby Vision, so both are limited to standard dynamic range content regardless of the source material.

The two meaningful differentiators pull in opposite directions, forcing a trade-off. The Realme C71 offers a 120Hz refresh rate versus the A5x's 90Hz, which translates to noticeably smoother scrolling, more fluid animations, and a snappier feel during gaming — the kind of tactile difference users actually perceive in daily interactions. On the other hand, the Oppo A5x ships with branded damage-resistant glass, providing a layer of protection against scratches and everyday knocks that the C71, which lacks this feature entirely, simply cannot match without an aftermarket screen protector.

Declaring an outright winner here depends on usage priorities. For users who value display fluidity and a smoother visual experience, the C71's 120Hz panel is the stronger pick. For those who are harder on their devices and want built-in screen durability, the A5x's damage-resistant glass offers a practical long-term advantage. On balance, the refresh rate upgrade tends to have broader everyday appeal, giving the Realme C71 a slight edge — but the A5x's screen protection is a genuine counterpoint that should not be dismissed.

Performance:
internal storage 128GB 128GB
RAM 8GB 6GB
Chipset (SoC) name Qualcomm Snapdragon 6 Gen 1 Unisoc T7250
GPU name Adreno 710 Mali G57
CPU speed 4 x 2.2 & 4 x 1.8 GHz 2 x 1.8 & 6 x 1.6 GHz
Geekbench 6 result (multi) 2748 1461
Geekbench 6 result (single) 943 437
GPU clock speed 800 MHz 850 MHz
Has integrated LTE
RAM speed 2750 MHz 1866 MHz
semiconductor size 4 nm 12 nm
Supports 64-bit
Has integrated graphics
OpenGL ES version 3.2 3.2
Uses big.LITTLE technology
CPU threads 8 threads 8 threads
Has TrustZone
OpenCL version 2 2
eMMC version 5.1 5.1
maximum memory amount 12GB 12GB
Thermal Design Power (TDP) 7W 10W
DDR memory version 5 4
shading units 128 64
L3 cache 2 MB 1 MB

The chipset gap between these two phones is substantial. The Oppo A5x runs on a Qualcomm Snapdragon 6 Gen 1 built on a modern 4 nm process, while the Realme C71 relies on a Unisoc T7250 fabbed on a considerably older 12 nm node. Process size matters because a smaller node delivers more transistors per area, enabling greater performance per watt. The Geekbench 6 scores make the real-world gap concrete: the A5x posts a multi-core score of 2748 versus the C71's 1461 — nearly double — and the single-core gap is equally stark at 943 versus 437. Single-core performance is especially relevant for everyday responsiveness: app launches, UI interactions, and web browsing all lean heavily on it.

The memory and GPU story reinforces the same narrative. The A5x ships with 8 GB of DDR5 RAM running at 2750 MHz, compared to the C71's 6 GB of DDR4 at 1866 MHz — both a capacity and bandwidth advantage that benefits multitasking and keeps more apps live in memory. On the graphics side, the A5x's Adreno 710 with 128 shading units significantly outguns the C71's Mali G57 with just 64 shading units, making a tangible difference in gaming and GPU-accelerated workloads. Notably, the A5x achieves all of this at a lower TDP of 7W versus the C71's 10W, meaning it runs cooler and more efficiently despite the performance lead — a direct benefit of the newer fabrication process.

The Oppo A5x wins this category decisively. It outperforms the C71 across every meaningful performance dimension — raw CPU throughput, GPU capability, memory speed, and energy efficiency — and the margin is large enough to be felt in real daily use, not just in benchmarks.

Cameras:
megapixels (main camera) 32 MP 50 MP
Has a dual-lens (or multi-lens) main camera
megapixels (front camera) 5MP 5MP
has built-in optical image stabilization
video recording (main camera) 1080 x 30 fps 1080 x 30 fps
Has a dual-tone LED flash
number of flash LEDs 1 1
has a BSI sensor
has a CMOS sensor
has continuous autofocus when recording movies
Has phase-detection autofocus for photos
supports slow-motion video recording
has a built-in HDR mode
has manual exposure
has a flash
optical zoom 0x 0x
has manual ISO
has a serial shot mode
has manual focus
has a front camera
Has laser autofocus
Shoots 360° panorama
has manual white balance
shoots raw
has touch autofocus
has manual shutter speed
can create panoramas in-camera
wide aperture (front camera) 2.2f 2.2f
Has timelapse function
Has a front-facing LED flash
has a dual-lens (or multi-lens) front camera
supports HDR10 recording
supports Dolby Vision recording
has a front-facing camera under the display
Has a RGB LED flash
has 3D photo/video recording capabilities

Strip away the megapixel count and these two camera systems are, for all practical purposes, identical. Both phones share the same single-lens rear setup, the same 1080p at 30fps video ceiling, identical autofocus technologies (phase-detection and touch), and the same feature set spanning HDR mode, slow-motion, panorama, timelapse, and manual controls for ISO, focus, exposure, and white balance. The front camera is also a straight tie: both offer a 5MP shooter at f/2.2 with no flash.

The sole differentiator is the main camera resolution — 50 MP on the Realme C71 versus 32 MP on the Oppo A5x. More megapixels can allow for greater detail in well-lit conditions and provide more headroom for cropping into a shot without significant quality loss. However, megapixel count alone is a limited indicator of overall image quality; sensor size, pixel size, and image processing — none of which are specified in this data — ultimately determine how those pixels perform in real scenes, particularly in low light.

Based strictly on the provided specs, the Realme C71 holds a narrow edge in this category purely on account of its higher 50 MP resolution, which offers more cropping flexibility and finer detail capture on paper. That said, given how tightly matched every other camera attribute is, this advantage is conditional rather than categorical — users prioritizing camera performance should weigh this alongside processing capability, which falls under the performance group.

Operating system:
Android version Android 15 Android 15
has clipboard warnings
has location privacy options
has camera/microphone privacy options
has Mail Privacy Protection
has theme customization
can block app tracking
blocks cross-site tracking
has on-device machine learning
has notification permissions
has media picker
Can play games while they download
has dark mode
has Wi-Fi password sharing
has battery health check
has an extra dim mode
has focus modes
has dynamic theming
can offload apps
Has customizable notifications
has Live Text
has full-page screenshots
supports split screen
gets direct OS updates
has PiP
Can be used as a PC
Has sharing intents
has a child lock
Supports widgets
Is free and open source
Has offline voice recognition
has voice commands
Tracks the current position of a mobile device
is a multi-user system
has Quick Start

This is the most clear-cut tie in the entire comparison. Both the Oppo A5x and Realme C71 run Android 15 and share an absolutely identical feature set across every single spec provided — privacy controls, productivity tools, customization options, and system utilities alike. From camera and microphone privacy toggles to dynamic theming, split-screen multitasking, Picture-in-Picture, offline voice recognition, and battery health checks, there is not a single differentiating data point between them in this category.

A few shared attributes are worth highlighting for their user impact. Neither device receives direct OS updates — meaning software upgrades are filtered through the respective manufacturer's update pipeline, which can introduce delays compared to stock Android devices. Neither supports Wi-Fi password sharing or focus modes, which are conveniences some users may miss. On the positive side, both support on-device machine learning, app tracking blocks, and a robust set of privacy options that reflect Android 15's stronger stance on user data control.

This category is a complete draw. Every spec is identical, leaving no basis to favor one device over the other on software grounds alone. A user's OS experience will be shaped entirely by each brand's custom Android skin and ongoing software support policies — neither of which is captured in the provided data.

Battery:
battery power 6000 mAh 6300 mAh
has wireless charging
Supports fast charging
charging speed 45W 45W
has a removable battery
has a battery level indicator
has a rechargeable battery

Both phones arrive with generously sized batteries well above the mainstream threshold, and their charging infrastructure is identical: 45W wired fast charging, no wireless charging, and a non-removable cell. At 45W, a largely depleted battery can realistically be topped up in roughly an hour, which is a meaningful convenience for heavy users. Neither device supports wireless charging, so users dependent on that feature will need to look elsewhere regardless of which model they choose.

The only differentiator is capacity: the Realme C71 packs a 6300 mAh battery against the Oppo A5x's 6000 mAh. The 300 mAh gap — a 5% difference — is modest in absolute terms. In practice, it could translate to a small but real extension of screen-on time, most noticeable during long days of heavy use where every percentage point of reserve matters. It is not a transformative gap, but with all other battery specs being equal, it is the deciding factor.

The Realme C71 takes a slim but clear edge here. Larger capacity with identical charging speed means it should last marginally longer between charges without any trade-off in refill time. For endurance-focused users, this is a straightforward win for the C71 — even if the margin is unlikely to be dramatic in day-to-day use.

Audio:
has a socket for a 3.5 mm audio jack
has stereo speakers
has aptX
has LDAC
has aptX HD
has aptX Adaptive
has aptX Lossless
Has a radio

Audio is where these two phones diverge most sharply in philosophy, each making a choice the other forgoes entirely. The Oppo A5x drops the headphone jack but gains stereo speakers and aptX Bluetooth codec support. The Realme C71 goes the opposite direction: it retains the 3.5mm audio jack but offers only a single speaker and no enhanced Bluetooth audio codecs. Neither device supports higher-tier wireless codecs like LDAC, aptX HD, or aptX Adaptive, and neither includes a radio.

The practical implications depend entirely on how a user consumes audio. Stereo speakers make a genuine difference for media consumption — videos, music playback, and gaming all benefit from the wider soundstage that dual speakers create compared to a mono setup. The A5x's aptX support also means lower latency and better audio quality when paired with compatible Bluetooth headphones or earbuds. The C71's headphone jack, meanwhile, is a straightforward win for users with wired headphones or earphones, eliminating the need for a dongle and offering lossless, zero-latency wired audio that no Bluetooth codec can fully replicate.

This category comes down to a genuine use-case trade-off with no universal winner. Users who primarily listen through Bluetooth headphones or care about speaker quality for media will find the Oppo A5x the stronger choice. Those who rely on wired headphones or want plug-and-play audio simplicity will prefer the Realme C71. Neither advantage is trivial, making this a meaningful lifestyle decision rather than a clear-cut victory for either side.

Connectivity & Features:
release date May 2025 June 2025
has 5G support
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
SIM cards 2 SIM 2 SIM
Bluetooth version 5 5.2
has an external memory slot
Has USB Type-C
USB version 2 2
has NFC
download speed 2900 MBits/s 300 MBits/s
upload speed 900 MBits/s 150 MBits/s
Has a fingerprint scanner
has emergency SOS via satellite
has crash detection
is DLNA-certified
has a gyroscope
supports ANT+
Has a heart rate monitor
has GPS
has a compass
supports Wi-Fi
Has an infrared sensor
has an accelerometer
has a cellular module
Has a barometer
has an HDMI output
Uses 3D facial recognition
Has an iris scanner
Stylus included
supports Galileo
Has motion tracking
Has optical tracking
Has a built-in projector

The shared connectivity baseline is solid for a budget segment: both phones support dual SIM, Wi-Fi 5, USB Type-C, expandable storage, fingerprint scanning, GPS with Galileo, and Bluetooth 5.x. Neither offers 5G, which is expected at this price tier, and both are limited to USB 2.0 speeds. The notable differences, however, cut in opposite directions and carry real practical weight.

The Realme C71 gains two meaningful connectivity advantages over the A5x. Its Bluetooth 5.2 (versus 5.0 on the A5x) brings modest improvements in connection stability and audio synchronization with compatible devices. More significantly, it includes NFC — a feature the A5x entirely lacks — enabling contactless payments, quick pairing with accessories, and tap-to-share functionality that has become a mainstream convenience. The Oppo A5x counters with an infrared sensor, absent on the C71, which lets the phone function as a universal remote for TVs and home appliances — a niche but genuinely useful perk for some users. The A5x also lists dramatically higher cellular speeds on paper (2900 Mbits/s download versus 300 Mbits/s), reflecting its more advanced modem, though real-world speeds are governed by network conditions rather than modem ceilings alone.

On balance, the Realme C71 holds the edge in this category for most users. NFC alone is a feature many consider non-negotiable for modern mobile payments, and combined with the Bluetooth upgrade, it edges ahead of the A5x's infrared sensor in day-to-day relevance. The A5x's modem speed advantage and IR blaster are genuine differentiators, but they serve narrower use cases than the C71's NFC capability.

Miscellaneous:
has a video light
Has sapphire glass display
Has a curved display
Has an e-paper display

The miscellaneous specs for the Oppo A5x and Realme C71 are a perfect match across every provided data point. Both include a video light, and neither features a sapphire glass display, a curved screen, or an e-paper panel — all of which are premium or niche characteristics not expected at this segment.

This is a complete tie. The provided data contains no differentiating information between the two devices, and no conclusion favoring either product can be drawn from these specs alone.

Comparison Summary & Verdict

After a thorough look at both devices, the choice comes down to what you value most. The Oppo A5x stands out with its significantly more powerful Qualcomm Snapdragon 6 Gen 1 chipset, 8GB of DDR5 RAM, and Geekbench 6 multi-core score nearly double that of its rival, making it the stronger pick for users who demand snappy, responsive everyday performance. It also adds stereo speakers, aptX audio, and an infrared sensor for extra versatility. The Realme C71, on the other hand, counters with a higher 120Hz refresh rate, a superior IP68 waterproof rating, a larger 6300 mAh battery, NFC support, a 3.5mm headphone jack, and a higher-resolution 50MP main camera, making it ideal for users who prioritize durability, media consumption, and everyday convenience. Choose the Oppo A5x for raw power; choose the Realme C71 for a more well-rounded feature set.

Oppo A5x
Buy Oppo A5x if...

Buy the Oppo A5x if you prioritize superior processing performance, more RAM, and richer audio with stereo speakers and aptX support. It is also the right choice if you want an infrared sensor for remote control functionality.

Realme C71
Buy Realme C71 if...

Buy the Realme C71 if you want a smoother 120Hz display, stronger IP68 waterproofing, a larger battery, NFC, a headphone jack, and a higher-resolution main camera for everyday versatility.