Home Phone comparison Realme C51 and Oppo Realme 6 Pro - Which is better?

Realme C51 vs Oppo Realme 6 Pro

44 out 100
Realme C51
VS
47 out 100
Oppo Realme 6 Pro
Realme C51
Oppo Realme 6 Pro

Compared 2 smartphones : Realme C51 Manufactured in August, 2023, with display 6.74 with chipsetUnisoc Tiger T612, vs Oppo Realme 6 Pro, Manufactured in March, 2020 with chipsetQualcomm Snapdragon 720G. 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 Realme C51
  • Larger display: 6.74in
  • Lighter design: 186g vs 202g
  • Higher battery capacity: 5000mAh vs 4300mAh
  • Includes charger
Reasons to choose Oppo Realme 6 Pro
  • Higher pixel density: 399ppi
  • Newer Bluetooth version: 5.1 vs 5
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 3/64 GB
- 4/64 GB
- 4/128 GB
- 6/256 GB		 - 6/64 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Realme C51 and Oppo Realme 6 Pro
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
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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:
Realme C51
vs
Oppo Realme 6 Pro

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.74 in 6.6 in
Resolution 720x1600 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 260 ppi 399 ppi
Refresh rate 90 Hz 90 Hz
Adaptive refresh rate No No
Max brightness 560 nits 480 nits
HDR support No Yes HDR10
Touch Sampling Rate 180 Hz 120 Hz
Screen-to-body ratio 85.6 % 84.7 %
Features n/a DCI-P3
Display test
Peak brightness (auto)
Realme C51
n/a
Oppo Realme 6 Pro
418 nits
sRGB gamutn/a98.4 %
PWM (Flicker)n/a2336 Hz
Response timen/a28.4 ms
Contrastn/a1195:1
Sources: NotebookCheck [Oppo Realme 6 Pro]

Design & Build

Design and ergonomics comparison
Height 167.2 mm (6.58 in) 163.8 mm (6.45 in)
Width 76.7 mm (3.02 in) 75.8 mm (2.98 in)
Thickness 7.99 mm (0.31 in) 8.9 mm (0.35 in)
Weight 186 g (6.56 oz) 202 g (7.13 oz)
Water resistance No No
Back panel Plastic Glass
Frame Plastic Plastic
Colors - Black
- Green		 - Blue
- Red
- Orange
Fingerprint sensor Yes In-Button Yes In-Button
Screen-to-body ratio
Realme C51
85.6 %
Oppo Realme 6 Pro
84.7 %

Performance

Testing Realme C51 and Oppo Realme 6 Pro In benchmarks
Processor
Chipset Unisoc Tiger T612 Qualcomm Snapdragon 720G
Max Frequency 1800 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/1.8 (Cortex-A75)		 - 6/1.8 (Kryo 465 Silver (Cortex-A55))
- 2/2.3 (Kryo 465 Gold (Cortex-A76))
Process TSMC Samsung
Transistor Size 12 nm 8 nm
Neural Processor n/a Hexagon 692
Graphics Mali-G57 MP1 Adreno 618
GPU Cores 32 256
GPU Frequency 614 MHz 800 MHz
FLOPS 78.6 GFLOPS 384 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme C51
415
Oppo Realme 6 Pro
667
Geekbench 6 (Multi-Core)
Realme C51
1476
Oppo Realme 6 Pro
1793
Geekbench 6 (Single-Core)415667
Geekbench 6 (Multi-Core)14761793
Sources: Geekbench v6 [Realme C51]
AnTuTu 10
AnTuTu 10
Realme C51
244837
Oppo Realme 6 Pro
396403
CPU85532138425
GPU2331073755
Memory6602377127
UX69972107096
NanoReview Score244837396403
3DMark Wild Life
3DMark Wild Life
Realme C51
n/a
Oppo Realme 6 Pro
775
Max Surface Temp.n/a37.5 °C
Stabilityn/a97 %
Graphics Testn/a4 fps
Graphics Scoren/a775
Sources: 3DMark [Oppo Realme 6 Pro]

Memory

RAM
RAM Size 4 GB - 6 GB
- 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		- 64 GB
- 128 GB
Storage TypeeMMC 5.1UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 13 Android 10.0 (Upgradeable to Android 11)
OS Size n/a 15 GB
UI Skin Realme UI T Realme UI

Battery

Volume 5000 mAh 4300 mAh
Max Charging Power 33 W 30 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 28 min) Yes VOOC 4.0 (100% in 57 min)
Full Charge Time 1:12 h 0:57 h
Battery Life Test
Battery Life
Realme C51
n/a
Oppo Realme 6 Pro
21:33
Web Browsingn/a08:59 h
Video Playbackn/a11:41 h
Gamesn/a05:09 h
Standby Moden/a108 h

Main camera

Matrix 50 MP 64 MP
Photo resolution 8192x6144 pixels 9000x7000 pixels
Zoom Digital Optical, 2x
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
Slow Motion 30 fps (480p) 240 fps (720p)
Wide-angle lens n/a 119 °
Lenses count Standard: 50 MP
Depth: 0.08 MP		 Standard: 64 MP
Telephoto: 12 MP
Ultra-wide: 8 MP
Macro: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP64 MP
Aperturef/1.8f/1.8
Focal length27 mm26 mm
SensorSamsung S5KJN1Samsung Bright S5KGW1
Sensor size1/2.761/1.72
Pixel size0.64 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Telephoto
Matrixn/a12 MP
Aperturen/af/2.5
Focal lengthn/a54 mm
Sensor sizen/a1/3.4
Pixel sizen/a1 μm
Stabilizationn/aDigital
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.5
Focal lengthn/a13 mm
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 16 MP
Photo resolution 3264x2448 pixels 4920x3264 pixels
Aperture f/2.2 f/2.1
Focal length 28 mm 26 mm
Sensor Samsung S5K5E9 Sony IMX471
Sensor size 1/5 1/3.1
Pixel size 1.12 μm 1 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 720p 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)
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 5.1
Bluetooth features LE LE, A2DP
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
NFC* Varies by region Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM 850 / 900 / 1800 / 2100 / 2300 / 2500 / 2600
3G BandsWCDMA 1/5/8HSDPA 850 / 900 / 2100
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)
LTE category76
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio No Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Realme C51
n/a
Oppo Realme 6 Pro
82 dB

Other

Class Budget Mid-range
Announced July, 2023 yr March, 2020 yr
Release Date August, 2023 yr March, 2020 yr
Launch Price ($) 160 230
Sensors - Proximity Sensor
- Accelerometer
- 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

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