Xiaomi Poco C85 4G
Xiaomi Redmi 15 4G

Xiaomi Poco C85 4G Xiaomi Redmi 15 4G

Common Features

  • Both products are water resistant.
  • Both products have an IP64 ingress protection rating.
  • Neither product has a rugged build.
  • Neither product can be folded.
  • Both products have a 6.9″ LCD, IPS display.
  • Neither product supports HDR10.
  • Neither product supports HDR10+.
  • Neither product has an Always-On Display.
  • Neither product supports Dolby Vision.
  • Neither product has a secondary screen.
  • Both products have a touch screen.
  • Both products have a 50 MP main camera.
  • Both products have an 8 MP front camera.
  • Both products have a 1.8f wide aperture on the main camera.
  • Both products can record 1080 x 30 fps video with the main camera.
  • Neither product has a dual-lens main camera.
  • Both products run Android 15.
  • Both products have clipboard warnings.
  • Both products have location privacy options.
  • Both products have camera/microphone privacy options.

Main Differences

  • Xiaomi Poco C85 4G weighs 205 g, while Xiaomi Redmi 15 4G weighs 224 g.
  • Xiaomi Poco C85 4G has a thickness of 8 mm, while Xiaomi Redmi 15 4G has a thickness of 8.6 mm.
  • Xiaomi Poco C85 4G is 79.5 mm wide, while Xiaomi Redmi 15 4G is 82.1 mm wide.
  • Xiaomi Poco C85 4G is 171.6 mm tall, while Xiaomi Redmi 15 4G is 171.1 mm tall.
  • Xiaomi Poco C85 4G has a volume of 109.1376 cm³, while Xiaomi Redmi 15 4G has a volume of 120.806866 cm³.
  • Xiaomi Poco C85 4G has a pixel density of 254 ppi, while Xiaomi Redmi 15 4G has a pixel density of 374 ppi.
  • Xiaomi Poco C85 4G has a resolution of 720 x 1600 px, while Xiaomi Redmi 15 4G has a resolution of 1080 x 2340 px.
  • Xiaomi Poco C85 4G has a 120Hz refresh rate, while Xiaomi Redmi 15 4G has a 144Hz refresh rate.
  • Xiaomi Poco C85 4G does not have branded damage-resistant glass, while Xiaomi Redmi 15 4G does.
  • Xiaomi Poco C85 4G uses the MediaTek Helio G81 Ultra chipset, while Xiaomi Redmi 15 4G uses the Qualcomm Snapdragon 685 4G chipset.
  • Xiaomi Poco C85 4G has a Mali G52 MP2 GPU, while Xiaomi Redmi 15 4G has an Adreno 610 GPU.
  • Xiaomi Poco C85 4G has a CPU speed of 2 x 2 & 6 x 1.8 GHz, while Xiaomi Redmi 15 4G has a CPU speed of 4 x 2.8 & 4 x 1.9 GHz.
  • Xiaomi Poco C85 4G scores 1391 on Geekbench 6 (multi), while Xiaomi Redmi 15 4G scores 1510.
  • Xiaomi Poco C85 4G scores 420 on Geekbench 6 (single), while Xiaomi Redmi 15 4G scores 473.
  • Xiaomi Poco C85 4G scores 1300 on Geekbench 5 (multi), while Xiaomi Redmi 15 4G scores 1787.
  • Xiaomi Poco C85 4G scores 350 on Geekbench 5 (single), while Xiaomi Redmi 15 4G scores 442.
  • Xiaomi Poco C85 4G has RAM speed of 1800 MHz, while Xiaomi Redmi 15 4G has RAM speed of 2133 MHz.
  • Xiaomi Poco C85 4G is built on a 12 nm semiconductor, while Xiaomi Redmi 15 4G is built on a 6 nm semiconductor.
  • Xiaomi Poco C85 4G has a maximum memory bandwidth of 13.41 GB/s, while Xiaomi Redmi 15 4G has a maximum memory bandwidth of 17 GB/s.
  • Xiaomi Poco C85 4G supports a maximum of 8GB of memory, while Xiaomi Redmi 15 4G supports a maximum of 16GB of memory.
  • Xiaomi Poco C85 4G has a GPU turbo frequency of 950 MHz, while Xiaomi Redmi 15 4G has a GPU turbo frequency of 1260 MHz.
  • Xiaomi Poco C85 4G has a battery power of 6000 mAh, while Xiaomi Redmi 15 4G has a battery power of 7000 mAh.
  • Xiaomi Poco C85 4G has a 3.5 mm audio jack, while Xiaomi Redmi 15 4G does not.
  • Xiaomi Poco C85 4G has a radio, while Xiaomi Redmi 15 4G does not.
  • Xiaomi Poco C85 4G has an external memory slot, while Xiaomi Redmi 15 4G does not.
Specs Comparison
Xiaomi Poco C85 4G

Xiaomi Poco C85 4G

Xiaomi Redmi 15 4G

Xiaomi Redmi 15 4G

Design:
water resistance Water resistant Water resistant
weight 205 g 224 g
thickness 8 mm 8.6 mm
width 79.5 mm 82.1 mm
height 171.6 mm 171.1 mm
volume 109.1376 cm³ 120.806866 cm³
Ingress Protection (IP) rating IP64 IP64
has a rugged build
can be folded

Both the Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G are water resistant, with an Ingress Protection (IP) rating of IP64, ensuring they are protected against dust and splashes of water. However, when comparing their physical dimensions, the Poco C85 is slightly lighter, weighing 205 g, whereas the Redmi 15 is heavier at 224 g. The thickness of the Poco C85 is 8 mm, while the Redmi 15 is marginally thicker at 8.6 mm.

In terms of width, the Poco C85 measures 79.5 mm, which is narrower than the Redmi 15's 82.1 mm. The heights of the two devices are very close, with the Poco C85 standing at 171.6 mm and the Redmi 15 at 171.1 mm, making them almost identical in height. The Poco C85 has a volume of 109.14 cm³, whereas the Redmi 15 has a slightly larger volume at 120.81 cm³.

Neither device has a rugged build or the ability to fold, which is consistent across both models. Overall, the design specs show some minor size and weight differences, but both devices are quite similar in terms of water resistance and overall build characteristics.

Display:
Display type LCD, IPS LCD, IPS
screen size 6.9" 6.9"
pixel density 254 ppi 374 ppi
resolution 720 x 1600 px 1080 x 2340 px
refresh rate 120Hz 144Hz
has branded damage-resistant glass
supports HDR10
supports HDR10+
Always-On Display
supports Dolby Vision
Has a secondary screen
has a touch screen

Both the Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G feature an LCD, IPS display with the same screen size of 6.9″. However, the pixel density differs between the two devices. The Poco C85 has a pixel density of 254 ppi, while the Redmi 15 offers a higher density of 374 ppi. This difference means the Redmi 15's display is sharper and more detailed.

The resolution on the Poco C85 is 720 x 1600 px, whereas the Redmi 15 boasts a higher resolution of 1080 x 2340 px, offering a more refined visual experience. The Poco C85 has a refresh rate of 120Hz, while the Redmi 15 has a faster refresh rate of 144Hz, which should provide a smoother scrolling experience on the latter.

When it comes to extra features, neither phone supports HDR10, HDR10+, Dolby Vision, or an Always-On Display. Additionally, neither device has a secondary screen. The Poco C85 does not feature branded damage-resistant glass, whereas the Redmi 15 does. Both devices have a touchscreen, ensuring responsive interaction with the displays.

Performance:
internal storage 256GB 256GB
RAM 8GB 8GB
Chipset (SoC) name MediaTek Helio G81 Ultra Qualcomm Snapdragon 685 4G
GPU name Mali G52 MP2 Adreno 610
CPU speed 2 x 2 & 6 x 1.8 GHz 4 x 2.8 & 4 x 1.9 GHz
Geekbench 6 result (multi) 1391 1510
Geekbench 6 result (single) 420 473
Geekbench 5 result (multi) 1300 1787
Geekbench 5 result (single) 350 442
Has integrated LTE
RAM speed 1800 MHz 2133 MHz
semiconductor size 12 nm 6 nm
Supports 64-bit
DirectX version DirectX 12 DirectX 12
Has integrated graphics
OpenGL ES version 3.2 3.2
Uses big.LITTLE technology
CPU threads 8 threads 8 threads
Has TrustZone
maximum memory bandwidth 13.41 GB/s 17 GB/s
OpenCL version 2 2
eMMC version 5.1 5.1
maximum memory amount 8GB 16GB
GPU turbo 950 MHz 1260 MHz
DDR memory version 4 4

Both the Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G come with 256GB of internal storage and 8GB of RAM. The Poco C85 uses the MediaTek Helio G81 Ultra chipset with a CPU speed of 2 x 2 GHz and 6 x 1.8 GHz, while the Redmi 15 is equipped with the Qualcomm Snapdragon 685 4G, offering a faster CPU speed of 4 x 2.8 GHz and 4 x 1.9 GHz. Despite the difference in chipset, both devices feature 8 threads and use big.LITTLE technology, which helps in managing performance and power consumption efficiently.

The Geekbench 6 and 5 scores show some differences in performance. The Poco C85 achieves a multi-core score of 1391 and a single-core score of 420 in Geekbench 6, while the Redmi 15 scores 1510 (multi) and 473 (single), indicating a better performance from the Redmi 15. In Geekbench 5, the Poco C85 scores 1300 (multi) and 350 (single), while the Redmi 15 scores 1787 (multi) and 442 (single), again showing higher scores for the Redmi 15.

Other differences include the RAM speed, where the Poco C85 runs at 1800 MHz, while the Redmi 15 runs at 2133 MHz, providing faster memory performance. The Poco C85 has a maximum memory bandwidth of 13.41 GB/s, while the Redmi 15 offers a higher bandwidth of 17 GB/s. Additionally, the Poco C85 uses a 12 nm semiconductor size, while the Redmi 15 uses a more advanced 6 nm process. Both devices support 64-bit architecture, DirectX 12, and OpenGL ES version 3.2, and they both have integrated LTE, integrated graphics, and TrustZone security.

Cameras:
megapixels (main camera) 50 MP 50 MP
wide aperture (main camera) 1.8f 1.8f
Has a dual-lens (or multi-lens) main camera
megapixels (front camera) 8MP 8MP
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
pixel size (main camera) 0.64 µm 0.64 µm
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) 2f 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

Both the Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G feature a 50 MP main camera with a 1.8f wide aperture, but they share many common camera capabilities. Neither device has a dual-lens main or front camera. Both devices include an 8 MP front camera with a 2f wide aperture. Video recording is supported on both phones at 1080p at 30 fps, and both devices lack built-in optical image stabilization.

On the main camera, both phones offer a CMOS sensor with continuous autofocus while recording movies and phase-detection autofocus for photos. They also support slow-motion video recording, built-in HDR mode, manual exposure, and a flash. The pixel size of the main camera is 0.64 µm on both devices, and neither phone supports optical zoom or laser autofocus.

Additional features such as touch autofocus, the ability to create panoramas in-camera, and timelapse function are available on both devices. However, neither phone supports HDR10 or Dolby Vision recording, and neither has a front-facing LED flash, dual-lens front camera, or 3D photo/video recording capabilities. The features are essentially identical for both models, with no noticeable differences between them in this category.

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

Both the Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G run on Android 15 and share a range of similar operating system features. They both support clipboard warnings, location privacy options, camera/microphone privacy options, theme customization, app tracking blocking, on-device machine learning, notification permissions, media pickers, game downloading while playing, dark mode, battery health checks, extra dim modes, dynamic theming, offloading apps, customizable notifications, Live Text, full-page screenshots, split-screen functionality, PiP (Picture-in-Picture), sharing intents, child locks, widgets, offline voice recognition, voice commands, mobile device location tracking, and multi-user systems. Both devices also lack Mail Privacy Protection, focus modes, and the ability to be used as a PC.

Neither phone provides direct OS updates, and both lack Quick Start functionality. The operating system features are otherwise identical for both phones, offering a similar set of privacy, accessibility, and customization options.

Overall, the operating system experience on both the Poco C85 and Redmi 15 appears to be very similar, with no major differences in the functionality or features offered.

Battery:
battery power 6000 mAh 7000 mAh
has wireless charging
Supports fast charging
charging speed 33W 33W
has reverse wireless charging
has a removable battery
has a battery level indicator
has a rechargeable battery

The Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G have similar battery features, but there are some differences in battery power. The Poco C85 is equipped with a 6000 mAh battery, while the Redmi 15 has a larger 7000 mAh battery. Both phones support fast charging at a speed of 33W, but neither offers wireless charging or reverse wireless charging capabilities. Additionally, both devices have non-removable, rechargeable batteries, along with a battery level indicator to help keep track of power levels.

While both devices share the same charging speed and battery-related features, the Redmi 15's larger battery capacity provides it with a potential advantage in terms of overall battery life, assuming other factors such as power consumption are similar.

In summary, the primary difference between the two models in this category is the battery capacity, with the Redmi 15 offering a 7000 mAh battery compared to the Poco C85's 6000 mAh, but the charging speeds and other battery features are identical.

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

The Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G differ in a few key audio features. The Poco C85 includes a 3.5 mm audio jack, allowing you to connect wired headphones or earphones, whereas the Redmi 15 does not provide a 3.5 mm audio jack. Both devices are equipped with stereo speakers, but neither supports advanced audio technologies like aptX, LDAC, aptX HD, aptX Adaptive, or aptX Lossless.

Additionally, the Poco C85 has a built-in radio, while the Redmi 15 does not support this feature. Both phones, however, lack the high-end audio capabilities offered by aptX or LDAC, so the audio experience from Bluetooth or wired sources will be fairly standard on both devices.

In summary, the main difference in the audio category is the presence of a 3.5 mm audio jack and a radio on the Poco C85, which are not available on the Redmi 15.

Connectivity & Features:
release date September 2025 August 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 5.4 5
has an external memory slot
Has USB Type-C
USB version 2 2
has NFC
download speed 300 MBits/s 390 MBits/s
upload speed 100 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

Both the Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G lack 5G support, but they both offer support for Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac). The Poco C85 supports faster Bluetooth version 5.4, while the Redmi 15 uses Bluetooth version 5. Both phones feature 2 SIM card slots, NFC, USB Type-C with USB version 2, and GPS with a compass. They also have a fingerprint scanner for security and support Galileo for navigation.

One key difference is that the Poco C85 has an external memory slot, while the Redmi 15 does not. The download and upload speeds also differ slightly: the Poco C85 supports a download speed of 300 MBits/s and an upload speed of 100 MBits/s, while the Redmi 15 offers faster speeds with a download rate of 390 MBits/s and an upload rate of 150 MBits/s.

Both devices lack features such as a gyroscope, barometer, infrared sensor, 3D facial recognition, iris scanner, motion tracking, optical tracking, or a built-in projector. Additionally, neither phone has support for emergency SOS via satellite, crash detection, or DLNA certification. Both phones also include an accelerometer and a cellular module, but neither offers a stylus or HDMI output.

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

Both the Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G feature a video light, which can help with lighting in low-light video situations. However, neither of the devices includes sapphire glass displays, curved displays, or e-paper displays. These features are absent in both models, with no differences between them in this category.

In summary, the Poco C85 and Redmi 15 share identical specifications for miscellaneous features, offering a video light but lacking the advanced display technologies such as sapphire glass, curved screens, or e-paper displays.

Comparison Summary

This is a specification comparison between Xiaomi Poco C85 4G and Xiaomi Redmi 15 4G. Both devices are water resistant with an IP64 ingress protection rating, feature a 50 MP main camera and an 8 MP front camera, and run on Android 15. The Poco C85 4G is lighter at 205 g and has a slightly smaller width of 79.5 mm, while the Redmi 15 4G weighs 224 g and has a wider 82.1 mm frame. The Poco C85 4G has a lower resolution display (720 x 1600 px) compared to the 1080 x 2340 px on the Redmi 15 4G. Additionally, the Poco C85 4G is powered by the MediaTek Helio G81 Ultra, while the Redmi 15 4G uses the Qualcomm Snapdragon 685 4G chipset. The Redmi 15 4G also has a larger 7000 mAh battery, compared to the 6000 mAh in the Poco C85 4G.