Home Phone comparison Oppo Realme C55 and Xiaomi 12 - Which is better?

Oppo Realme C55 vs Xiaomi 12

48 out 100
Oppo Realme C55
VS
65 out 100
Xiaomi 12
Oppo Realme C55
Xiaomi 12

Compared 2 smartphones : Oppo Realme C55 Manufactured in March, 2023, with display 6.72 with chipsetMediaTek Helio G88, vs Xiaomi 12, Manufactured in December, 2021 with chipsetQualcomm Snapdragon 8 Gen 1. 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 C55
  • Larger display: 6.72in
  • Higher battery capacity: 5000mAh vs 4500mAh
Reasons to choose Xiaomi 12
  • Higher pixel density: 419ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 180g vs 189.5g
  • 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		 - 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Oppo Realme C55 and Xiaomi 12
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.
Customize your score
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 C55
vs
Xiaomi 12

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.72 in 6.28 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 392 ppi 419 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 680 nits 500 nits
HDR support No Yes HDR10+
Touch Sampling Rate 180 Hz 480 Hz
Screen-to-body ratio 86.7 % 89.3 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Realme C55
655 nits
Xiaomi 12
887 nits
sRGB gamut100 %n/a
Response time21 msn/a
Contrast1471:1n/a
Sources: NotebookCheck [Oppo Realme C55]

Design & Build

Design and ergonomics comparison
Height 165.6 mm (6.52 in) 152.7 mm (6.01 in)
Width 75.9 mm (2.99 in) 69.9 mm (2.75 in)
Thickness 7.89 mm (0.31 in) 8.16 mm (0.32 in)
Weight 189.5 g (6.68 oz) 180 g (6.35 oz)
Water resistance No No
Back panel Plastic Glass
Frame Plastic Metal
Colors - Blue
- Green
- Yellow		 - Black
- Blue
- Pink
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Oppo Realme C55
86.7 %
Xiaomi 12
89.3 %

Performance

Testing Oppo Realme C55 and Xiaomi 12 In benchmarks
Processor
Chipset MediaTek Helio G88 Qualcomm Snapdragon 8 Gen 1
Max Frequency 2000 MHz 3000 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 4/1.8 (Cortex-A510)
- 3/2.5 (Cortex-A710)
- 1/3 (Cortex-X2)
Process TSMC Samsung
Transistor Size 12 nm 4 nm
Neural Processor MediaTek APU Hexagon
Graphics Mali-G52 MP2 Adreno 730
GPU Cores 48 1024
GPU Frequency 1000 MHz 818 MHz
FLOPS 96 GFLOPS 1675.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C55
425
Xiaomi 12
1702
Geekbench 6 (Multi-Core)
Oppo Realme C55
1413
Xiaomi 12
3977
Geekbench 6 (Single-Core)4251702
Geekbench 6 (Multi-Core)14133977
Sources: Geekbench v6 [Xiaomi 12]
AnTuTu 10
AnTuTu 10
Oppo Realme C55
274070
Xiaomi 12
1187033
CPU81734308025
GPU41920439066
Memory74959237645
UX75457212297
NanoReview Score2740701187033
3DMark Wild Life
3DMark Wild Life
Oppo Realme C55
742
Xiaomi 12
8751
Max Surface Temp.47.8 °Cn/a
Stability98 %60 %
Graphics Test4 fps52 fps
Graphics Score7428751
Sources: 3DMark [Oppo Realme C55], [Xiaomi 12]
PCMark 3.0
PCMark 3.0
Oppo Realme C55
8633
Xiaomi 12
12987
Writing score963614840
Web score713711534
Video editing62127452
Data manipulation60289643
NanoReview Score863312987

Memory

RAM
RAM Size - 6 GB
- 8 GB		 - 8 GB
- 12 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 1800 MHz 3200 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB		- 128 GB
- 256 GB
Storage TypeeMMC 5.1UFS 3.1
Memory CardMicroSDNo

Software

OS Android 13 (Upgradeable to Android 14) Android 12 (Upgradeable to Android 14)
OS Size 20 GB n/a
UI Skin Realme UI 5.0 HyperOS 1.0

Battery

Volume 5000 mAh 4500 mAh
Max Charging Power 33 W 67 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (27% in 30 min) Yes (87% in 30 min)
Full Charge Time 1:09 h 0:46 h
Battery Life Test
Battery Life
Oppo Realme C55
22:19
Xiaomi 12
15:58
Web Browsing07:44 h06:17 h
Video Playback12:22 h10:46 h
Games05:14 h04:42 h
Standby Mode124 h71 h

Main camera

Matrix 64 MP 50 MP
Photo resolution 9248x6944 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Up to 24FPS
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 1920 fps (720p)
Wide-angle lens n/a 123 °
Lenses count Standard: 64 MP
Depth: 2 MP		 Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix64 MP50 MP
Aperturen/af/1.9
Focal lengthn/a26 mm
SensorOmnivision OV64BSony IMX766
Sensor size1/21/1.56
Pixel size0.7 μm1 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a13 MP
Aperturen/af/2.4
Focal lengthn/a12 mm
Sensorn/aOmniVision OV13B10
Sensor sizen/a1/3.06
Pixel sizen/a1.12 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Oppo Realme C55
n/a
Xiaomi 12
118
Video quality
Oppo Realme C55
n/a
Xiaomi 12
121
Overall camera score
Oppo Realme C55
n/a
Xiaomi 12
113
Bokehn/a55
Previewn/a69
Zoomn/a72
Sources: DxOMark [Xiaomi 12]

Front camera

Matrix 8 MP 32 MP
Photo resolution 3264x2448 pixels 6528x4896 pixels
Aperture f/2.0 f/2.4
Focal length n/a 26 mm
Sensor CMOS OmniVision OV32B40
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 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6E (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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.2
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
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Varies by region Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900GSM 850 900 1800 1900 MHz
3G BandsWCDMA Bands 1/5/8WCDMA B1/2/4/5/6/8/19
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66)
LTE category720
5G SupportNoYes

Sound

Speakers Mono Stereo
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 12
n/a

Other

Class Budget Flagship
Announced March, 2023 yr December, 2021 yr
Release Date March, 2023 yr December, 2021 yr
Launch Price ($) 160 580
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W Yes 67 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 12 the clear winner in this comparison.

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