Home Phone comparison OnePlus 8 Pro and Samsung Galaxy A51 - Which is better?

OnePlus 8 Pro vs Samsung Galaxy A51

62 out 100
OnePlus 8 Pro
VS
41 out 100
Samsung Galaxy A51
OnePlus 8 Pro
Samsung Galaxy A51

Compared 2 smartphones : OnePlus 8 Pro Manufactured in April, 2020, with display 6.78 with chipsetQualcomm Snapdragon 865, 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 OnePlus 8 Pro
  • Larger display: 6.78in
  • Higher pixel density: 513ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 4510mAh vs 4000mAh
  • Newer Bluetooth version: 5.1 vs 5
  • Supports newer USB: 3.1 vs 2
  • Supports DisplayPort
Reasons to choose Samsung Galaxy A51
  • Lighter design: 172g vs 199g

Versions

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

Review

Key Specs OnePlus 8 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.
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:
OnePlus 8 Pro
vs
Samsung Galaxy A51

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.78 in 6.5 in
Resolution 1440x3168 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 513 ppi 405 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 1300 nits 400 nits
HDR support Yes HDR10+ No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 91.8 % 87.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 Always-On Display
Display test
Peak brightness (auto)
OnePlus 8 Pro
882 nits
Samsung Galaxy A51
631 nits
sRGB gamut99.9 %98.8 %
PWM (Flicker)258 Hz242 Hz
Response time7.5 ms25 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [OnePlus 8 Pro], [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 165.3 mm (6.51 in) 158.5 mm (6.24 in)
Width 74.4 mm (2.93 in) 73.6 mm (2.9 in)
Thickness 8.5 mm (0.33 in) 7.9 mm (0.31 in)
Weight 199 g (7.02 oz) 172 g (6.07 oz)
Water resistance IP68 No
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Blue
- Green		 - White
- Black
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
OnePlus 8 Pro
91.8 %
Samsung Galaxy A51
87.5 %

Performance

Testing OnePlus 8 Pro and Samsung Galaxy A51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 865 Samsung Exynos 9 Octa 9611
Max Frequency 2840 MHz 2300 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/2.84 (Kryo 585 Prime (Cortex-A77))		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process TSMC Samsung
Transistor Size 7 nm 10 nm
Neural Processor Hexagon 698 Yes
Graphics Adreno 650 Mali-G72 MP3
GPU Cores 768 54
GPU Frequency 587 MHz 850 MHz
FLOPS 1202.1 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 8 Pro
1258
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
OnePlus 8 Pro
3476
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)1258512
Geekbench 6 (Multi-Core)34761556
AnTuTu 10
AnTuTu 10
OnePlus 8 Pro
758854
Samsung Galaxy A51
268760
CPU23609383857
GPU19427245166
Memory14900163828
UX17948875909
NanoReview Score758854268760
3DMark Wild Life
3DMark Wild Life
OnePlus 8 Pro
3839
Samsung Galaxy A51
812
Max Surface Temp.50.2 °C42.2 °C
Stability99 %95 %
Graphics Test22 fps4 fps
Graphics Score3839812
Sources: 3DMark [OnePlus 8 Pro], [Samsung Galaxy A51]
PCMark 3.0
PCMark 3.0
OnePlus 8 Pro
11994
Samsung Galaxy A51
n/a
Writing score14813n/a
Web score9833n/a
Video editing5842n/a
Data manipulation9517n/a
NanoReview Score11994n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 - 4 GB
- 6 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 2750 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 64 GB
- 128 GB
Storage TypeUFS 3.0UFS 2.0
Memory CardNoMicroSD

Software

OS Android 10.0 (Upgradeable to Android 13) Android 10 (Upgradeable to Android 13)
OS Size 20 GB 23 GB
UI Skin OxygenOS 13 One UI 5.1

Battery

Volume 4510 mAh 4000 mAh
Max Charging Power 30 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (30 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (50% in 23 min) Yes (40% in 35 min)
Full Charge Time 0:55 h 1:50 h
Battery Life Test
Battery Life
OnePlus 8 Pro
20:36
Samsung Galaxy A51
17:53
Web Browsing08:01 h07:15 h
Video Playback12:03 h11:25 h
Games04:57 h04:49 h
Standby Mode103 h81 h

Main camera

Matrix 48 MP 48 MP
Photo resolution 8000x6000 pixels 8000x6000 pixels
Zoom Optical, 3x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (1080p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 48 MP
Telephoto: 8 MP
Ultra-wide: 48 MP
Depth: 5 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
Matrix48 MP48 MP
Aperturef/1.8f/2.0
Focal length25 mm26 mm
SensorSony IMX689Sony IMX582
Sensor size1/1.431/2
Pixel size1.12 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix8 MPn/a
Aperturef/2.4n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix48 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorSony IMX586n/a
Sensor size1/2.25n/a
Pixel size0.8 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
OnePlus 8 Pro
113
Samsung Galaxy A51
n/a
Video quality
OnePlus 8 Pro
109
Samsung Galaxy A51
n/a
Overall camera score
OnePlus 8 Pro
113
Samsung Galaxy A51
n/a
Bokeh60n/a
Preview53n/a
Zoom107n/a
Sources: DxOMark [OnePlus 8 Pro]

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels 6560x4928 pixels
Aperture f/2.5 f/2.2
Focal length n/a 26 mm
Sensor Sony IMX471 Samsung S5KGD1
Sensor size 1/3.06 1/2.8
Pixel size 1 μm 0.8 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
OnePlus 8 Pro
121
Samsung Galaxy A51
n/a
Video quality
OnePlus 8 Pro
127
Samsung Galaxy A51
n/a

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 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 3.1 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
- SBAS		 - 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 BandsGSM850, GSM900, GSM1800, GSM1900GSM 850 / 900 / 1800 / 2100 / 2600
3G BandsWCDMA B1, B2, B4、B5, B8, B9, B19UMTS 850 / 900 / 1900 / 2100
LTE Bands*LTE (B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66)LTE (B850/B900/B1800/B2100/B2600)
LTE category2012
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
OnePlus 8 Pro
84.4 dB
Samsung Galaxy A51
81.7 dB

Other

Class Flagship Mid-range
Announced April, 2020 yr December, 2019 yr
Release Date April, 2020 yr December, 2019 yr
Launch Price ($) 899 399
Sensors - Hall Sensor
- Barometer
- 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 OnePlus 8 Pro the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below