Samsung Galaxy A51 5G vs OnePlus 9

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.5 inches
6.5 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 405 PPI
2400 x 1080 pixels, 20:9 ratio, 402 PPI

Technology:

Super AMOLED
AMOLED

Screen-to-body:

87.37 %
87.27 %

Features:

60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
120Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 980
Qualcomm Snapdragon 888

Processor:

Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Mali-G76 MP5
Adreno 660

RAM:

6GB LPDDR4
8GB LPDDR5

Internal storage:

128GB, available to use: 105.3 GB
128GB (UFS 3.1), not expandable

Storage expansion:

microSDXC up to 1000 GB

Device type:

Smartphone
Smartphone

OS:

Android (10), Samsung One UI
Android (11), OxygenOS UI

Battery

Capacity:

4500 mAh
4500 mAh

Type:

Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Fast charging
OnePlus Warp Charge, Qi wireless charging

Max charge speed:

Wired: 25.0W
Wired: 65.0W; Wireless: 15.0W

Camera

Rear:

Quad camera
Triple camera

Main camera:

48 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 23 mm; Sensor size: 1/1.4"; Pixel size: 1.12 μm

Second camera:

12 MP (Ultra-wide)
50 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 14 mm; Sensor size: 1/1.56"

Third camera:

5 MP (Macro)
2 MP (Black and White)

Specifications:

Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)

Features:

Hyperlapse, EIS
HDR, Continuous autofocus, EIS

Front:

32 MP (HDR)
16 MP (EIS)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
6.30 x 2.92 x 0.34 inches (160 x 74.2 x 8.7 mm)

Weight:

6.60 oz (187.0 g)
6.77 oz (192.0 g)

Materials:

Back: Plastic; Frame: Aluminum
Back: Glass (Corning Gorilla Glass); Frame: Aluminum

Biometrics:

2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key, Other

Colors:

Prism cube black
Winter Mist, Arctic Sky, Astral Black

Cellular

5G:

n41, n71, SA, NSA
n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78

LTE (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), 25(1900+), 26(850+), 28(700 APT), 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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900), 9(1700), 19(800)

Data Speed:

LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

SIM type:

Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker, Multiple speakers

Features:

Dolby Atmos
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.2

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1

Features:

Charging, OTG
Charging, Headphones port, Mass storage device

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass

Other:

NFC, ANT+
NFC

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jul 15, 2020
Mar 24, 2021

FCC ID value:

A3LSMA516U link
2ABZ2-EF136

Measured SAR:

Head:

1.18 W/kg
1.20 W/kg

Body:

1.20 W/kg
0.78 W/kg

Simultaneous Transmission:

3.25 W/kg
1.48 W/kg

Wireless Router:

1.37 W/kg
1.18 W/kg

Buyers information

Price:

$ 500
$ 729

User Manual:

This is the official Samsu​ng Galaxy A51 5G User Guide in English provided from the manufacturer.

In The Box:

A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions
Warp Charge 65 Power Adapter, Warp Charge Type-C to Type-C Cable, Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, OnePlus Sticker, SIM Tray Ejector

Availability

Officially announced:

Apr 08, 2020
Mar 23, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless