Home Phone comparison Oppo Realme 6 Pro and Samsung Galaxy A51 - Which is better?

Oppo Realme 6 Pro vs Samsung Galaxy A51

47 out 100
Oppo Realme 6 Pro
VS
41 out 100
Samsung Galaxy A51
Oppo Realme 6 Pro
Samsung Galaxy A51

Compared 2 smartphones : Oppo Realme 6 Pro Manufactured in March, 2020, with display 6.6 with chipsetQualcomm Snapdragon 720G, vs Samsung Galaxy A51, Manufactured in December, 2019 with chipsetSamsung Exynos 9 Octa 9611. 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 6 Pro
  • Larger display: 6.6in
  • Higher refresh rate: 90Hz
  • Higher battery capacity: 4300mAh vs 4000mAh
  • Newer Bluetooth version: 5.1 vs 5
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 202g

Versions

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

Review

Key Specs Oppo Realme 6 Pro and Samsung Galaxy A51
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 6 Pro
vs
Samsung Galaxy A51

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.6 in 6.5 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 399 ppi 405 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 480 nits 400 nits
HDR support Yes HDR10 No
Touch Sampling Rate 120 Hz n/a
Screen-to-body ratio 84.7 % 87.5 %
Features DCI-P3 Always-On Display
Display test
Peak brightness (auto)
Oppo Realme 6 Pro
418 nits
Samsung Galaxy A51
631 nits
sRGB gamut98.4 %98.8 %
PWM (Flicker)2336 Hz242 Hz
Response time28.4 ms25 ms
Contrast1195:1∞ Infinite
Sources: NotebookCheck [Oppo Realme 6 Pro], [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 163.8 mm (6.45 in) 158.5 mm (6.24 in)
Width 75.8 mm (2.98 in) 73.6 mm (2.9 in)
Thickness 8.9 mm (0.35 in) 7.9 mm (0.31 in)
Weight 202 g (7.13 oz) 172 g (6.07 oz)
Water resistance No No
Back panel Glass Plastic
Frame Plastic Plastic
Colors - Blue
- Red
- Orange		 - White
- Black
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Oppo Realme 6 Pro
84.7 %
Samsung Galaxy A51
87.5 %

Performance

Testing Oppo Realme 6 Pro and Samsung Galaxy A51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 720G Samsung Exynos 9 Octa 9611
Max Frequency 2300 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Kryo 465 Silver (Cortex-A55))
- 2/2.3 (Kryo 465 Gold (Cortex-A76))		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 8 nm 10 nm
Neural Processor Hexagon 692 Yes
Graphics Adreno 618 Mali-G72 MP3
GPU Cores 256 54
GPU Frequency 800 MHz 850 MHz
FLOPS 384 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme 6 Pro
667
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Oppo Realme 6 Pro
1793
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)667512
Geekbench 6 (Multi-Core)17931556
AnTuTu 10
AnTuTu 10
Oppo Realme 6 Pro
396403
Samsung Galaxy A51
268760
CPU13842583857
GPU7375545166
Memory7712763828
UX10709675909
NanoReview Score396403268760
3DMark Wild Life
3DMark Wild Life
Oppo Realme 6 Pro
775
Samsung Galaxy A51
812
Max Surface Temp.37.5 °C42.2 °C
Stability97 %95 %
Graphics Test4 fps4 fps
Graphics Score775812
Sources: 3DMark [Oppo Realme 6 Pro], [Samsung Galaxy A51]

Memory

RAM
RAM Size - 6 GB
- 8 GB		 - 4 GB
- 6 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 TypeUFS 2.1UFS 2.0
Memory CardMicroSDMicroSD

Software

OS Android 10.0 (Upgradeable to Android 11) Android 10 (Upgradeable to Android 13)
OS Size 15 GB 23 GB
UI Skin Realme UI One UI 5.1

Battery

Volume 4300 mAh 4000 mAh
Max Charging Power 30 W 15 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes VOOC 4.0 (100% in 57 min) Yes (40% in 35 min)
Full Charge Time 0:57 h 1:50 h
Battery Life Test
Battery Life
Oppo Realme 6 Pro
21:33
Samsung Galaxy A51
17:53
Web Browsing08:59 h07:15 h
Video Playback11:41 h11:25 h
Games05:09 h04:49 h
Standby Mode108 h81 h

Main camera

Matrix 64 MP 48 MP
Photo resolution 9000x7000 pixels 8000x6000 pixels
Zoom Optical, 2x Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) 960 fps (720p)
Wide-angle lens 119 ° 120 °
Lenses count Standard: 64 MP
Telephoto: 12 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix64 MP48 MP
Aperturef/1.8f/2.0
Focal length26 mm26 mm
SensorSamsung Bright S5KGW1Sony IMX582
Sensor size1/1.721/2
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Telephoto
Matrix12 MPn/a
Aperturef/2.5n/a
Focal length54 mmn/a
Sensor size1/3.4n/a
Pixel size1 μmn/a
StabilizationDigitaln/a
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.5f/2.2
Focal length13 mm13 mm
Sensor size1/4.0n/a
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels 6560x4928 pixels
Aperture f/2.1 f/2.2
Focal length 26 mm 26 mm
Sensor Sony IMX471 Samsung S5KGD1
Sensor size 1/3.1 1/2.8
Pixel size 1 μm 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) 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 PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, 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		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes 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 / 2100 / 2300 / 2500 / 2600GSM 850 / 900 / 1800 / 2100 / 2600
3G BandsHSDPA 850 / 900 / 2100UMTS 850 / 900 / 1900 / 2100
LTE Bands*LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)LTE (B850/B900/B1800/B2100/B2600)
LTE category612
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Oppo Realme 6 Pro
82 dB
Samsung Galaxy A51
81.7 dB

Other

Class Mid-range Mid-range
Announced March, 2020 yr December, 2019 yr
Release Date March, 2020 yr December, 2019 yr
Launch Price ($) 230 399
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

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