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OnePlus 8 Pro vs Samsung Galaxy A51 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
9.0
OnePlus 8 Pro
7.0
Samsung Galaxy A51
OnePlus 8 Pro Samsung Galaxy A51
Released · Apr 21, 2020
Released · Dec 27, 2019
6.8-inch · 3168x1440px
6.5-inch · 2400x1080px
Quad camera
Quad camera
8GB · 128GB
4GB · 128GB
4510 mAh
4000 mAh
Check prices Check prices

Design

Dimensions
6.51 x 2.93 x 0.33 inches
165.3 x 74.3 x 8.5 mm 		6.24 x 2.90 x 0.31 inches
158.5 x 73.6 x 7.9 mm
Weight
7.02 oz (199.0 g) 6.07 oz (172.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum 		Back: Plastic
Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Glacial green Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
6.8-inch 6.5-inch
Resolution
3168x1440px, 19.8:9 ratio, 513 PPI 2400x1080px, 20:9 ratio, 405 PPI
Technology
AMOLED Super AMOLED
Refresh rate
120Hz 60Hz
Screen-to-body
90.79 % 87.37 %
Peak brightness
1300 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 865 SM8250 (7 nm) Samsung Exynos 9611 (10 nm)
Processor
Octa-core
2840 MHz
Kryo 585 		Octa-core
2300 MHz
4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Adreno 650 Mali-G72 MP3
RAM
8GB (LPDDR5) 4GB (LPDDR4)
Internal storage
128GB (UFS 3.0) 128GB, available to use: 105.9 GB
Storage expansion
not expandable microSDXC up to 512 GB
OS
Android (11, 10), Oxygen OS UI Android (11, 10), Samsung One UI

Battery

Capacity
4510 mAh 4000 mAh
Type
Li - Polymer Li - Polymer
Charging
OnePlus Warp Charge, Qi wireless charging, Reverse wireless charging Fast charging
Charge speed
Wired: 30.0W
Wireless: 30.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 45min
Browsing
10h 0min
Video
9h 15min
Gaming
10h 33min
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera Quad camera
Main camera
48 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 25 mm
Sensor size: 1/1.4"
Pixel size: 1.12 μm 		48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
48 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/2"
Pixel size: 0.8 μm 		12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
Third camera
8 MP (Telephoto, OIS, Laser and PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Sensor size: 1/2"
Pixel size: 1 μm 		5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
Fourth camera
5 MP (Color filter)
Aperture size: F2.4 		5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
OIS, HDR, EIS 		3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Hyperlapse, EIS
Front
16 MP (EIS, HDR), Video capture: 1920x1080 (Full HD) 32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.1 5.0
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band
MIMO, Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1 Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC NFC, ANT+

Multimedia

Headphones
No 3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker
Features
Dolby Atmos, aptX-HD Dolby Atmos
Screen mirroring
DLNA,Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

5G
Bands n2, n5, n41, n66, n71, SA, NSA
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 38(2600), 39(1900+), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Oct 12, 2020
FCC ID value: 2ABZ2-EE007 		Date approved: Nov 28, 2019
FCC ID value: A3LSMA515FN
Measured SAR
Head: 0.93 W/kg
Body: 0.89 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 0.95 W/kg 		Head: 0.89 W/kg
Body: 1.18 W/kg
Simultaneous Transmission: 1.56 W/kg
Wireless Router: 1.12 W/kg
Phablet: 2.76 W/kg

Buyers information

MSRP
$ 899 $ 400
In The Box
Warp Charge 30 Power Adapter, Warp Type-C Cable (Support USB 2.0), Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, LOGO Sticker, Case, Screen Protector, SIM Tray Ejector

Availability

Officially announced
Apr 14, 2020 Dec 12, 2019

Alternative variants

with 256GB storage
RAM 12GB
Internal storage 256GB
Colors Onyx black, Ultramarine blue
MSRP $ 999
with 128GB storage
RAM 6GB
Internal storage 128GB
for Europe
5G Bands n1, n3, n7, n28, n78, SA, NSA
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD) Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46
for Verizon
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for T-Mobile
Resistance Water, Dust; IP68
for AT&T
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
for Sprint
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
for Europe
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless