Home Phone comparison Oppo Realme 8 and Xiaomi Redmi 15 4G - Which is better?

Oppo Realme 8 vs Xiaomi Redmi 15 4G

47 out 100
Oppo Realme 8
VS
60 out 100
Xiaomi Redmi 15 4G
Oppo Realme 8
Xiaomi Redmi 15 4G

Compared 2 smartphones : Oppo Realme 8 Manufactured in March, 2021, with display 6.4 with chipsetMediaTek Helio G95, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 685. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Oppo Realme 8
  • Higher pixel density: 411ppi
  • Lighter design: 177g vs 224g
  • Newer Bluetooth version: 5.1 vs 5
Reasons to choose Xiaomi Redmi 15 4G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB		 - 6/128 GB
- 8/256 GB

Review

Key Specs Oppo Realme 8 and Xiaomi Redmi 15 4G
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Oppo Realme 8
vs
Xiaomi Redmi 15 4G

Display

Display quality comparison
Type Super AMOLED IPS LCD
Size 6.4 in 6.9 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 411 ppi 374 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 430 nits n/a
HDR support Yes HDR10 No
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 83.3 % 83.1 %
Features - Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Oppo Realme 8
601 nits
Xiaomi Redmi 15 4G
n/a
sRGB gamut90.7 %n/a
PWM (Flicker)255 Hzn/a
Response time8 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Oppo Realme 8]

Design & Build

Design and ergonomics comparison
Height 160.6 mm (6.32 in) 171.1 mm (6.74 in)
Width 73.9 mm (2.91 in) 82.1 mm (3.23 in)
Thickness 8 mm (0.31 in) 8.6 mm (0.34 in)
Weight 177 g (6.24 oz) 224 g (7.9 oz)
Water resistance No IP64
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Silver		 - Black
- Gray
- Purple
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Oppo Realme 8
83.3 %
Xiaomi Redmi 15 4G
83.1 %

Performance

Testing Oppo Realme 8 and Xiaomi Redmi 15 4G In benchmarks
Processor
Chipset MediaTek Helio G95 Qualcomm Snapdragon 685
Max Frequency 2050 MHz 2800 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/2 (Cortex-A55)
- 2/2.05 (Cortex-A76)		 - 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process TSMC TSMC
Transistor Size 12 nm 6 nm
Neural Processor MediaTek APU Hexagon 686
Graphics Mali-G76 MP4 Adreno 610
GPU Cores 144 128
GPU Frequency 900 MHz 1260 MHz
FLOPS 259.2 GFLOPS 322.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme 8
628
Xiaomi Redmi 15 4G
475
Geekbench 6 (Multi-Core)
Oppo Realme 8
1725
Xiaomi Redmi 15 4G
1514
Geekbench 6 (Single-Core)628475
Geekbench 6 (Multi-Core)17251514
AnTuTu 10
AnTuTu 10
Oppo Realme 8
400185
Xiaomi Redmi 15 4G
380990
CPU121827114885
GPU9521257988
Memory80801103236
UX102345104881
NanoReview Score400185380990
3DMark Wild Life
3DMark Wild Life
Oppo Realme 8
1481
Xiaomi Redmi 15 4G
n/a
Max Surface Temp.50.4 °Cn/a
Stability89 %n/a
Graphics Test8 fpsn/a
Graphics Score1481n/a
Sources: 3DMark [Oppo Realme 8]
PCMark 3.0
PCMark 3.0
Oppo Realme 8
10115
Xiaomi Redmi 15 4G
n/a
Writing score12372n/a
Web score7915n/a
Video editing6789n/a
Data manipulation6022n/a
NanoReview Score10115n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB
- 8 GB		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		128 GB
Storage TypeUFS 2.1UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 11 (Upgradeable to Android 13) Android 15
OS Size 10 GB n/a
UI Skin Realme UI 4.0 HyperOS 2.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 30 W 33 W
Battery Type Li-Po n/a
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (50% in 26 min) Yes
Full Charge Time 1:10 h n/a

Main camera

Matrix 64 MP 50 MP
Photo resolution 9248x6920 pixels n/a
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (1080p) n/a
Wide-angle lens 119 ° n/a
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP
Monochrome: 2 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix64 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mmn/a
SensorOmnivision OV64Bn/a
Sensor size1/2n/a
Pixel size0.7 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.3n/a
Focal length16 mmn/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 16 MP 8 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.5 f/2.0
Sensor Sony IMX471 n/a
Sensor size 1/3.0 n/a
Pixel size 1 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 120 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.1 5
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900n/a
3G BandsWCDMA 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)n/a
LTE category12n/a
5G SupportNoNo

Sound

Speakers Mono n/a
3.5 mm Jack Yes Yes
FM Radio No No
Dolby Atmos No n/a
Speaker Test
Max Volume
Oppo Realme 8
80.9 dB
Xiaomi Redmi 15 4G
n/a

Other

Class Mid-range Budget
Announced March, 2021 yr August, 2025 yr
Release Date March, 2021 yr August, 2025 yr
Launch Price ($) 200 n/a
MSRP ($) n/a 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi 15 4G the clear winner in this comparison.

Survey

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