Samsung Galaxy A51 vs OnePlus 8 Specs Comparison

Availability

Officially announced
Dec 12, 2019	Apr 14, 2020
Prices (MSRP)
$400	8GB/128GB - $699 12GB/256GB - $799

Design

Dimensions
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm	6.31 x 2.87 x 0.31 inches 160.2 x 72.9 x 8 mm
Weight
6.07 oz / 172.0 g	6.35 oz / 180.0 g
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue	Glacial green

Display

Size
6.5-inch, 87.37% screen-to-body	6.5-inch, 88.65% screen-to-body
Type
Super AMOLED, 60Hz	AMOLED, 90Hz, HDR, 1100 nits
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2400x1080px, 20:9 ratio, 402 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass 5

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1.7 (Good)	2.3 (Average)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 9611 (10 nm)	Snapdragon 865 SM8250 (7 nm)
Processor
Octa-core 2300 MHz 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53	Octa-core Kryo 585
GPU
Mali-G72 MP3	Adreno 650
Memory
4GB (LPDDR4)/128GB 6GB/128GB	8GB (LPDDR4)/128GB (UFS 3.0) 12GB/256GB
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (11, 10)	Android (11, 10)

Battery

Type
4000 mAh, Li - Polymer	4300 mAh, Li - Polymer
Charging
Fast charging	OnePlus Warp Charge
Charge speed
	Wired: 30.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 37min

Gaming

10h 16min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Triple camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 25 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm	16 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 14 mm
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm	2 MP (Macro) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) Hyperlapse, EIS	4K UHD (60 fps), 1080p (240 fps), 720p (480 fps) OIS, HDR, Time-lapse video, EIS
Front
32 MP (HDR) Video capture: 1080p (30 fps)	16 MP (EIS, HDR) Video capture: 1080p (30 fps)

Connectivity & Features

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

Multimedia

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

Cellular

5G Bands
	n2, n5, n41, n66, n71, SA, NSA Europe version - n1, n3, n7, n28, n78, SA, NSA
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71 Europe version - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71 Europe version - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
TDD Bands
38, 39, 41 Europe version - 38, 40, 41	34, 38, 39, 40, 41, 46, 48 Europe version - 34, 38, 39, 40, 41, 42, 46
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Pro Cat 18 (1200/150 Mbit/s), 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: Nov 28, 2019 FCC ID value: A3LSMA515FN	Date approved: Jan 24, 2021 FCC ID value: 2ABZ2-EE103
Measured SAR
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	Head: 1.01 W/kg Body: 0.78 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.92 W/kg

Alternative variants

with 128GB storage

Memory	6GB/128GB

with 256GB storage

Memory	12GB/256GB
Colors	Onyx black, Interstellar glow
Prices (MSRP)	$799

for Verizon

LTE Bands	2, 3, 4, 5, 7, 13, 20, 28, 66
3G Bands	5, 8, 2, 1

for Europe

5G Bands	n1, n3, n7, n28, n78, SA, NSA
LTE Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
TDD Bands	34, 38, 39, 40, 41, 42, 46

for AT&T

LTE Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
TDD Bands	41

for T-Mobile

Resistance	Water, Dust; IP68

for Sprint

LTE Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
TDD Bands	41

for Europe

LTE Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
TDD Bands	38, 40, 41
Dual SIM	Yes

Discover more

Full Specs Samsung Galaxy A51 Specs PA Review Samsung Galaxy A51 Review

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