Oppo A3 4G specifications and in-depth review

Oppo A3 4G

Manufacturer: Oppo

The Oppo A3 4G is a mid-range Android smartphone built around a 6.67″ IPS LCD screen running at a 90Hz refresh rate, offering a reasonably fluid viewing experience for everyday use. It carries an IP54 water resistance rating, a slim 7.7 mm profile, and a weight of 186 g, making it a reasonably compact device for its screen size. The handset ships with Android 14 out of the box and includes a broad set of software features such as dark mode, split-screen multitasking, picture-in-picture, dynamic theming, and offline voice recognition.

Under the hood, the A3 4G is powered by the Qualcomm Snapdragon 6 Gen 1, a 4 nm octa-core chipset clocked at up to 2.2 GHz, paired with 8 GB of LPDDR5 RAM and 256 GB of internal storage, with room for expansion via a microSD card slot. The main camera is a 50 MP single-lens unit with an f/1.8 aperture, phase-detection autofocus, HDR mode, and support for slow-motion video up to 1080p at 60 fps, while a 5 MP front camera handles selfies. Connectivity includes Bluetooth 5.0, NFC, Wi-Fi 5, dual SIM support, a USB Type-C port, a 3.5 mm headphone jack, and GPS with Galileo. The 5100 mAh battery supports 45W wired fast charging and ships with a charger included.

Pros
  • The 5100 mAh battery paired with 45W wired fast charging offers a substantial capacity alongside relatively quick replenishment, and a charger is included in the box
  • An IP54 rating provides genuine protection against dust and water splashes, adding a degree of everyday resilience without a bulky rugged build
  • The 90Hz refresh rate and 180Hz touch sampling rate on the display contribute to noticeably smoother scrolling and more responsive touch input
  • 256 GB of internal storage combined with an external memory slot gives considerable room for apps, media, and files without forcing trade-offs
  • NFC support enables contactless payments and data transfers, adding practical utility for day-to-day use
  • The Snapdragon 6 Gen 1 is built on a 4 nm process with DDR5 RAM, delivering efficient processing for everyday tasks while keeping thermal output at a modest 7W TDP
Cons
  • The 720 x 1604 px resolution on a 6.67-inch panel results in a pixel density of only 264 ppi, which is relatively low for a screen of this size and can affect sharpness
  • There are no stereo speakers, meaning audio output is limited to a single channel
  • Optical image stabilization is absent on the rear camera, which can affect clarity in low-light or handheld video situations
  • The USB port is Type-C but limited to USB 2.0 speeds, restricting wired data transfer performance
  • 5G connectivity is not supported, limiting the device to 4G networks
  • A gyroscope is not included, which rules out certain augmented reality applications and more advanced motion-based features
Who is this for?

This device suits users who prioritize all-day battery endurance, given its 5100 mAh capacity backed by 45W fast charging — a combination that works well for commuters, students, or anyone spending extended time away from a power source. The IP54 water resistance and slim 7.7 mm build make it a practical fit for those who want a degree of everyday durability without carrying a bulky handset. Users who primarily browse, stream, and handle social media will find the 90Hz IPS display and Snapdragon 6 Gen 1 chipset sufficient for smooth, responsive day-to-day use, while the 256 GB of internal storage plus expandable memory slot suits those who store large volumes of photos, videos, or offline content locally.

Who is this NOT for?

Users who demand sharp, detailed visuals will find the 720 x 1604 px resolution limiting on a 6.67-inch screen, as the resulting 264 ppi density falls short for extended reading, fine detail work, or media consumption where clarity matters. Mobile photographers seeking versatility will be constrained by the absence of a multi-lens rear camera system, optical image stabilization, and RAW capture support, making it a poor fit for those with serious camera-centric expectations. The lack of 5G connectivity also makes this device a poor match for users in areas with 5G coverage who want future-proof network performance, while the absence of a gyroscope rules it out for those interested in augmented reality applications or more motion-sensitive gaming experiences.

Design:

water resistance Water resistant
weight 186 g
thickness 7.7 mm
width 76.1 mm
height 165.8 mm
volume 97.153826 cm³
Ingress Protection (IP) rating IP54
has a rugged build
can be folded

The Oppo A3 4G has a rectangular, non-folding design measuring 165.8 mm tall, 76.1 mm wide, and 7.7 mm thick, with a total volume of approximately 97.15 cm³ and a weight of 186 g. It carries an IP54 ingress protection rating, meaning it offers a degree of water resistance against splashes and light exposure, though it does not feature a rugged build.

Display:

Display type LCD, IPS
screen size 6.67"
pixel density 264 ppi
resolution 720 x 1604 px
refresh rate 90Hz
touch sampling rate 180Hz
has branded damage-resistant glass
supports HDR10
supports HDR10+
Always-On Display
supports Dolby Vision
Has a secondary screen
has a touch screen

The Oppo A3 4G features a 6.67″ IPS LCD touchscreen with a resolution of 720 x 1604 px and a pixel density of 264 ppi. It supports a 90Hz refresh rate and a 180Hz touch sampling rate, contributing to smoother on-screen interactions. The display does not include branded damage-resistant glass, and it lacks support for HDR10, HDR10+, Dolby Vision, and Always-On Display functionality. There is no secondary screen on this device.

Performance:

internal storage 256GB
RAM 8GB
AnTuTu benchmark score 240105
Chipset (SoC) name Qualcomm Snapdragon 6 Gen 1
GPU name Adreno 710
CPU speed 4 x 2.2 & 4 x 1.8 GHz
Geekbench 6 result (multi) 2748
Geekbench 6 result (single) 943
PCMark Work 3.0 performance benchmark 6373
GPU clock speed 800 MHz
Has integrated LTE
RAM speed 2750 MHz
semiconductor size 4 nm
Supports 64-bit
DirectX version DirectX 12
Has integrated graphics
OpenGL ES version 3.2
Uses big.LITTLE technology
CPU threads 8 threads
Uses HMP
Has TrustZone
maximum memory bandwidth 22 GB/s
OpenCL version 2
memory channels 2
L2 cache 2 MB
eMMC version 5.1
L1 cache 256 KB
maximum memory amount 12GB
Thermal Design Power (TDP) 7W
DDR memory version 5
shading units 128
L3 cache 2 MB

The Oppo A3 4G is driven by the Qualcomm Snapdragon 6 Gen 1, a 4 nm octa-core chipset configured as four cores at 2.2 GHz and four at 1.8 GHz, using big.LITTLE architecture with Heterogeneous Multi-Processing for more efficient workload distribution. It is paired with 8 GB of DDR5 RAM running at 2750 MHz, a maximum supported memory capacity of 12 GB, and 256 GB of internal storage via eMMC 5.1, with a maximum memory bandwidth of 22 GB/s across two memory channels. Graphics are handled by the integrated Adreno 710 GPU clocked at 800 MHz, with 128 shading units, support for DirectX 12, OpenGL ES 3.2, and OpenCL 2. The chipset also includes integrated LTE and ARM TrustZone security, supports 64-bit processing, and has a TDP of 7W. Cache consists of 256 KB L1, 2 MB L2, and 2 MB L3. In benchmarks, the device scores 240,105 on AnTuTu, 943 single-core and 2,748 multi-core on Geekbench 6, and 6,373 on PCMark Work 3.0.

Cameras:

megapixels (main camera) 50 MP
wide aperture (main camera) 1.8f
Has a dual-lens (or multi-lens) main camera
megapixels (front camera) 5MP
has built-in optical image stabilization
video recording (main camera) 1080 x 60 fps
Has a dual-tone LED flash
number of flash LEDs 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
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
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

The Oppo A3 4G uses a single-lens 50 MP rear camera with an f/1.8 aperture and a CMOS sensor, supporting phase-detection autofocus for stills, continuous autofocus during video recording, and touch autofocus. Manual controls include exposure, ISO, focus, and white balance, while optical zoom is not available and there is no optical image stabilization. The rear camera records video at up to 1080p at 60 fps, with additional support for slow-motion recording, HDR mode, burst mode, panorama, and timelapse; HDR10 and Dolby Vision recording are not supported. Flash is handled by a single LED unit — there is no dual-tone or RGB flash. On the front, a 5 MP camera with an f/2.2 aperture is present, though it lacks its own flash, a dual-lens setup, or an under-display placement. Neither camera supports RAW capture, 360° panorama, laser autofocus, or 3D photo and video recording.

Operating system:

Android version Android 14
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

The Oppo A3 4G runs Android 14 and includes a broad range of software features covering both usability and privacy. On the privacy side, it offers clipboard warnings, location privacy options, camera and microphone access controls, and the ability to block app tracking, though Mail Privacy Protection and cross-site tracking blocking are not present. Customization options include theme customization, dynamic theming, dark mode, and extra dim mode, while focus modes and app offloading are not supported. The OS supports split-screen multitasking, picture-in-picture, full-page screenshots, a media picker, customizable notifications, widgets, sharing intents, a child lock, and the ability to play games while they are still downloading. On-device machine learning is available, as are offline voice recognition, voice commands, phone tracking, and multi-user support. OS updates do not come directly from the vendor, and Quick Start and Wi-Fi password sharing are not included.

Battery:

battery power 5100 mAh
has wireless charging
Supports fast charging
charging speed 45W
comes with a charger
has a removable battery
has a battery level indicator
has a rechargeable battery

The Oppo A3 4G is equipped with a 5100 mAh rechargeable, non-removable battery that supports 45W wired fast charging. A charger is included in the box, and the device features a battery level indicator. Wireless charging is not available.

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

The Oppo A3 4G includes a 3.5 mm headphone jack for wired audio output, but it does not feature stereo speakers. On the wireless audio side, none of the advanced Bluetooth codec standards are supported, including aptX, aptX HD, aptX Adaptive, aptX Lossless, and LDAC.

Connectivity & Features:

has 5G support
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
SIM cards 2 SIM
Bluetooth version 5
has an external memory slot
Has USB Type-C
USB version 2
has NFC
download speed 2900 MBits/s
upload speed 900 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 Oppo A3 4G supports Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac), Bluetooth 5.0, and NFC, while 5G is not available — the device operates on 4G cellular only. It accommodates two SIM cards and includes an external memory slot for storage expansion. The USB Type-C port runs on USB 2.0, and there is no HDMI output. Download speeds reach up to 2900 Mbits/s and upload speeds up to 900 Mbits/s. For location, the device supports GPS, Galileo, and includes a compass and accelerometer, though it lacks a gyroscope, barometer, and motion or optical tracking. Security is handled by a fingerprint scanner; 3D facial recognition and an iris scanner are not present. Additional features such as satellite SOS, crash detection, ANT+, a heart rate monitor, infrared sensor, DLNA certification, and a built-in projector are all absent, and no stylus is included.

Miscellaneous:

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

The Oppo A3 4G includes a video light for use during video recording, but its display is flat rather than curved and does not use sapphire glass or e-paper technology.

Final Verdict

The Oppo A3 4G is a straightforward 4G smartphone that covers the essentials competently, anchored by a 5100 mAh battery with 45W fast charging, a reasonably capable Snapdragon 6 Gen 1 chipset, generous 256 GB storage with expandable memory, and practical touches like IP54 water resistance and NFC. Its 90Hz display and solid software feature set under Android 14 make daily use fluid enough for mainstream tasks, though the HD+ resolution, single rear camera without stabilization, absence of 5G, and lack of a gyroscope signal that it is firmly aimed at undemanding, everyday usage rather than power users or enthusiasts. For those whose priorities center on battery reliability, adequate performance, and practical durability in a slim form factor, the Oppo A3 4G delivers a well-rounded package within its defined scope.

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