Oppo Realme C55 vs Xiaomi Redmi Note 15 Pro 4G

Compared 2 smartphones : Oppo Realme C55 Manufactured in March, 2023, with display 6.72 with chipsetMediaTek Helio G88, vs Xiaomi Redmi Note 15 Pro 4G, Manufactured in December, 2025with chipsetMediaTek Helio G200 Ultra. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Oppo Realme C55
  • Higher pixel density: 392ppi
  • Lighter design: 189.5g vs 195g
  • Includes charger
Reasons to choose Xiaomi Redmi Note 15 Pro 4G
  • Larger display: 6.77in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6500mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5.2
  • Supports Dolby Atmos
  • Infrared port

Versions

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

Review

Key Specs Oppo Realme C55 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

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.72 in 6.77 in
Resolution 1080x2400 pixels 1080x2392 pixels
Aspect ratio 20:9 n/a
Pixel density 392 ppi 388 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 680 nits n/a
HDR support No n/a
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 86.7 % 89.1 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Realme C55
655 nits
Xiaomi Redmi Note 15 Pro 4G
n/a
sRGB gamut100 %n/a
Response time21 msn/a
Contrast1471:1n/a

Design & Build

Design and ergonomics comparison
Height 165.6 mm (6.52 in) 163.2 mm (6.43 in)
Width 75.9 mm (2.99 in) 76.3 mm (3 in)
Thickness 7.89 mm (0.31 in) 8 mm (0.31 in)
Weight 189.5 g (6.68 oz) 195 g (6.88 oz)
Water resistance No IP65
Back panel Plastic Plastic
Frame Plastic Metal
Colors - Blue
- Green
- Yellow
- Black
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Oppo Realme C55
86.7 %
Xiaomi Redmi Note 15 Pro 4G
89.1 %

Performance

Testing Oppo Realme C55 and Xiaomi Redmi Note 15 Pro 4G In benchmarks
Processor
Chipset MediaTek Helio G88 MediaTek Helio G200 Ultra
Max Frequency 2000 MHz 2500 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
- 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-G52 MP2 Mali-G57 MP2
GPU Cores 48 64
GPU Frequency 1000 MHz 1100 MHz
FLOPS 96 GFLOPS 140.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C55
425
Xiaomi Redmi Note 15 Pro 4G
734
Geekbench 6 (Multi-Core)
Oppo Realme C55
1413
Xiaomi Redmi Note 15 Pro 4G
2008
Geekbench 6 (Single-Core)425734
Geekbench 6 (Multi-Core)14132008
AnTuTu 10
AnTuTu 10
Oppo Realme C55
274070
Xiaomi Redmi Note 15 Pro 4G
447931
CPU81734139717
GPU4192065836
Memory74959124991
UX75457117387
NanoReview Score274070447931
3DMark Wild Life
3DMark Wild Life
Oppo Realme C55
742
Xiaomi Redmi Note 15 Pro 4G
n/a
Max Surface Temp.47.8 °Cn/a
Stability98 %n/a
Graphics Test4 fpsn/a
Graphics Score742n/a
PCMark 3.0
PCMark 3.0
Oppo Realme C55
8633
Xiaomi Redmi Note 15 Pro 4G
n/a
Writing score9636n/a
Web score7137n/a
Video editing6212n/a
Data manipulation6028n/a
NanoReview Score8633n/a

Memory

RAM
RAM Size - 6 GB
- 8 GB
8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1800 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
256 GB
Storage TypeeMMC 5.1UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 13 (Upgradeable to Android 14) Android 15
OS Size 20 GB n/a
UI Skin Realme UI 5.0 HyperOS 2.0

Battery

Volume 5000 mAh 6500 mAh
Max Charging Power 33 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 (27% in 30 min) Yes
Full Charge Time 1:09 h n/a
Battery Life Test
Battery Life
Oppo Realme C55
22:19
Xiaomi Redmi Note 15 Pro 4G
n/a
Web Browsing07:44 hn/a
Video Playback12:22 hn/a
Games05:14 hn/a
Standby Mode124 hn/a

Main camera

Matrix 64 MP 200 MP
Photo resolution 9248x6944 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 60 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) n/a
Wide-angle lens n/a 120 °
Lenses count Standard: 64 MP
Depth: 2 MP
Standard: 200 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix64 MP200 MP
Aperturen/af/2.2
Focal lengthn/a25 mm
SensorOmnivision OV64Bn/a
Sensor size1/21/4 (0.25)
Pixel size0.7 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 8 MP 32 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/2.0 f/2.2
Sensor CMOS CMOS
Sensor size n/a 1/3 (0.33)
Pixel size n/a 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 5.2 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- 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 850/900/1800/1900n/a
3G BandsWCDMA Bands 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)n/a
LTE category7n/a
5G SupportNoNo

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos No Yes
Speaker Test
Max Volume
Oppo Realme C55
80.6 dB
Xiaomi Redmi Note 15 Pro 4G
n/a

Other

Class Budget Mid-range
Announced March, 2023 yr December, 2025 yr
Release Date March, 2023 yr December, 2025 yr
Launch Price ($) 160 n/a
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W n/a
* 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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