Samsung Galaxy A51 vs OnePlus Nord 2 5G 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.

7.0
Samsung Galaxy A51
9.3
OnePlus Nord 2 5G
Samsung Galaxy A51 OnePlus Nord 2 5G
Released · Dec 27, 2019
Released · Jul 29, 2021
6.5-inch · 2400x1080px
6.4-inch · 2400x1080px
Quad camera
Triple camera
4GB · 128GB
6GB · 128GB
4000 mAh
4500 mAh
Check prices Check prices

Design

Dimensions
6.24 x 2.90 x 0.31 inches
158.5 x 73.6 x 7.9 mm
6.26 x 2.88 x 0.32 inches
158.9 x 73.2 x 8.25 mm
Weight
6.07 oz (172.0 g) 6.67 oz (189.0 g)
Materials
Back: Plastic
Frame: Plastic
Back: Glass
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, Other
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
6.5-inch 6.4-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI 2400x1080px, 20:9 ratio, 409 PPI
Technology
Super AMOLED AMOLED
Refresh rate
60Hz 90Hz
Screen-to-body
87.37 % 85.82 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor HDR support, Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 9611 (10 nm) MediaTek Dimensity 1200 MT6893 (6 nm)
Processor
Octa-core
2300 MHz
4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
Octa-core
3000 MHz
Cortex-A78
GPU
Mali-G72 MP3 Mali-G77 MC9
RAM
4GB (LPDDR4) 6GB (LPDDR4)
Internal storage
128GB, available to use: 105.9 GB 128GB (UFS 3.1)
Storage expansion
microSDXC up to 512 GB not expandable
OS
Android (11, 10), Samsung One UI Android (11), OxygenOS 11.3 UI

Battery

Capacity
4000 mAh 4500 mAh
Type
Li - Polymer
Charging
Fast charging OnePlus Warp Charge
Charge speed
Wired: 65.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Battery Life Estimate
Untested
Browsing
13h 13min
Video
9h 25min
Gaming
Untested

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
50 MP (OIS, Autofocus)
Aperture size: F1.9
Pixel size: 1.0 μm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
2 MP
Aperture size: F2.5
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
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Hyperlapse, EIS
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
HDR, Time-lapse video
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD) 32 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.2
WLAN
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac,ax(Wi-Fi 6),tri-band
MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0 Type-C, USB 2.0
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

Multimedia

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

Cellular

5G
Bands n1, n3, n7, n8, n20, n28, n38, n41, 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), 14(700 PS), 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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 41(2600+) Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900), 19(800)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Nov 28, 2019
FCC ID value: A3LSMA515FN
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

Buyers information

MSRP
$ 400

Availability

Officially announced
Dec 12, 2019 Jul 22, 2021

Alternative variants

with 128GB storage
RAM 6GB
Internal storage 128GB
With 8GB RAM
RAM 8GB
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)
With 12GB RAM and 256GB internal storage
RAM 12GB
Internal storage 256GB
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