OnePlus 9 vs Samsung Galaxy A51 5G Specs Comparison

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

Display

Size:

6.5 inches

Resolution:

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

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

Technology:

AMOLED

Super AMOLED

Refresh rate:

120Hz

60Hz

Screen-to-body:

87.27 %

87.37 %

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 888 (5 nm)

Samsung Exynos 980 (8 nm)

Processor:

Octa-core, 2840 MHz, Kryo 680, 64-bit

Octa-core, 2x 2.2GHz Cortex-A77 + 6x 1.8GHz Cortex-A55, 64-bit

GPU:

Adreno 660

Mali-G76 MP5

RAM:

8GB LPDDR5

6GB LPDDR4

Internal storage:

128GB (UFS 3.1), not expandable

128GB, available to use: 105.3 GB

Storage expansion:

microSDXC up to 1000 GB

Device type:

Smartphone

OS:

Android (11), OxygenOS UI

Android (11, 10), Samsung One UI

Battery

Capacity:

4500 mAh

Type:

Not user replaceable

Li - Polymer, Not user replaceable

Charging:

OnePlus Warp Charge, Qi wireless charging

Fast charging

Max charge speed:

Wired: 65.0W; Wireless: 15.0W

Wired: 25.0W

Camera

Rear:

Triple camera

Quad camera

Main camera:

48 MP (PDAF)

Specifications:

F1.8; 23 mm; 1/1.4"; 1.12 μm

F2.0; 26 mm; 1/2"; 0.8 μm

Second camera:

50 MP (Ultra-wide)

12 MP (Ultra-wide)

Specifications:

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

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

2 MP (Black and White)

5 MP (Macro)

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

Flash:

Dual LED

LED

Video recording:

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

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)

Features:

HDR, Continuous autofocus, EIS

Hyperlapse, EIS

Front:

16 MP (EIS)

32 MP (HDR)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.30 x 2.92 x 0.34 inches (160 x 74.2 x 8.7 mm)

6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)

Weight:

6.77 oz (192.0 g)

6.60 oz (187.0 g)

Materials:

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

Back: Plastic; Frame: Aluminum

Biometrics:

2D Face unlock, In-screen fingerprint

Keys:

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

Right: Volume control, Lock/Unlock key

Colors:

Winter Mist, Arctic Sky, Astral Black

Prism cube black

Cellular

5G:

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

n41, 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), 30(2300 WCS), 32(1500 L-band), 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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)

4G (TDD):

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

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

3G:

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

Bands 1(2100), 2(1900), 4(1700/2100), 5(850)

Data Speed:

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

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

SIM type:

Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

No 3.5mm jack

3.5mm jack

Speakers:

Earpiece, Loudspeaker, Multiple speakers

Earpiece, Loudspeaker

Features:

Dolby Atmos

Screen mirroring:

Wireless screen share

Radio:

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.2

5.0

Wi-Fi:

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 (reversible), USB 3.1

Type-C (reversible), USB 2.0

Features:

Charging, Headphones port, Mass storage device

Charging, OTG

Location:

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+

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Mar 24, 2021

Jul 15, 2020

FCC ID value:

2ABZ2-EF136

A3LSMA516U

Measured SAR:

Head:

1.20 W/kg

1.18 W/kg

Body:

0.78 W/kg

1.20 W/kg

Simultaneous Transmission:

1.48 W/kg

3.25 W/kg

Wireless Router:

1.18 W/kg

1.37 W/kg

Buyers information

Price:

$ 729

$ 500

User Manual:

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

In The Box:

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

A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions