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

Oppo Realme 8i vs Xiaomi Redmi Note 15 Pro 4G

46 out 100
Oppo Realme 8i
VS
67 out 100
Xiaomi Redmi Note 15 Pro 4G
Oppo Realme 8i
Xiaomi Redmi Note 15 Pro 4G

Compared 2 smartphones : Oppo Realme 8i Manufactured in September, 2021, with display 6.6 with chipsetMediaTek Helio G96, vs Xiaomi Redmi Note 15 Pro 4G, Manufactured in December, 2025 with chipsetMediaTek Helio G200 Ultra. 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 8i
  • Higher pixel density: 401ppi
  • Lighter design: 194g vs 195g
Reasons to choose Xiaomi Redmi Note 15 Pro 4G
  • Larger display: 6.77in
  • Higher battery capacity: 6500mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5.1
  • Supports Dolby Atmos
  • Infrared port

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB		 - 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Oppo Realme 8i and Xiaomi Redmi Note 15 Pro 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 8i
vs
Redmi Note 15 Pro 4G

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.6 in 6.77 in
Resolution 1080x2412 pixels 1080x2392 pixels
Aspect ratio 20:9 n/a
Pixel density 401 ppi 388 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 600 nits n/a
HDR support No n/a
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 84.9 % 89.1 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Realme 8i
535 nits
Xiaomi Redmi Note 15 Pro 4G
n/a

Design & Build

Design and ergonomics comparison
Height 164.1 mm (6.46 in) 163.2 mm (6.43 in)
Width 75.5 mm (2.97 in) 76.3 mm (3 in)
Thickness 8.5 mm (0.33 in) 8 mm (0.31 in)
Weight 194 g (6.84 oz) 195 g (6.88 oz)
Water resistance No IP65
Back panel Plastic Plastic
Frame Plastic Metal
Colors - Black
- Purple		 - Black
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Oppo Realme 8i
84.9 %
Xiaomi Redmi Note 15 Pro 4G
89.1 %

Performance

Testing Oppo Realme 8i and Xiaomi Redmi Note 15 Pro 4G In benchmarks
Processor
Chipset MediaTek Helio G96 MediaTek Helio G200 Ultra
Max Frequency 2050 MHz 2500 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.05 (Cortex-A76)		 - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
Process TSMC TSMC
Transistor Size 12 nm 6 nm
Neural Processor MediaTek APU Yes
Graphics Mali-G57 MP2 Mali-G57 MP2
GPU Cores 128 64
GPU Frequency 950 MHz 1100 MHz
FLOPS 243 GFLOPS 140.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme 8i
730
Xiaomi Redmi Note 15 Pro 4G
734
Geekbench 6 (Multi-Core)
Oppo Realme 8i
1882
Xiaomi Redmi Note 15 Pro 4G
2008
Geekbench 6 (Single-Core)730734
Geekbench 6 (Multi-Core)18822008
AnTuTu 10
AnTuTu 10
Oppo Realme 8i
361810
Xiaomi Redmi Note 15 Pro 4G
447931
CPU125217139717
GPU6216565836
Memory75158124991
UX99270117387
NanoReview Score361810447931
3DMark Wild Life
3DMark Wild Life
Oppo Realme 8i
1091
Xiaomi Redmi Note 15 Pro 4G
n/a
Stability98 %n/a
Graphics Test6 fpsn/a
Graphics Score1091n/a
Sources: 3DMark [Oppo Realme 8i]
PCMark 3.0
PCMark 3.0
Oppo Realme 8i
10004
Xiaomi Redmi Note 15 Pro 4G
n/a
Writing score12620n/a
Web score8175n/a
Video editing5409n/a
Data manipulation6630n/a
NanoReview Score10004n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB		 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeUFS 2.1UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 11 (Upgradeable to Android 13) Android 15
UI Skin Realme UI 4.0 HyperOS 2.0

Battery

Volume 5000 mAh 6500 mAh
Max Charging Power 18 W 18 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (30% in 30 min) Yes
Full Charge Time 2:21 h n/a
Battery Life Test
Battery Life
Oppo Realme 8i
24:45
Xiaomi Redmi Note 15 Pro 4G
n/a
Web Browsing08:17 hn/a
Video Playback13:08 hn/a
Games05:22 hn/a
Standby Mode143 hn/a

Main camera

Matrix 50 MP 200 MP
Photo resolution 8700x5800 pixels n/a
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) n/a
Wide-angle lens n/a 120 °
Lenses count Standard: 50 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 200 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP200 MP
Aperturef/1.8f/2.2
Focal length26 mm25 mm
SensorSamsung S5KJN1n/a
Sensor size1/2.761/4 (0.25)
Pixel size0.64 μm0.7 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a15 mm
Sensor sizen/a1/4 (0.25)
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.1 f/2.2
Sensor Hynix Hi-1364Q CMOS
Sensor size 1/3.0 1/3 (0.33)
Pixel size 1 μm 0.7 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 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/ax)
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 5.3
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
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzn/a
3G BandsWCDMA 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)n/a
LTE category13n/a
5G SupportNoNo

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos No Yes

Other

Class Mid-range Mid-range
Announced September, 2021 yr December, 2025 yr
Release Date September, 2021 yr December, 2025 yr
Launch Price ($) 230 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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