Samsung Galaxy M51 vs OnePlus 9 Specs Comparison

Design

Dimensions
6.45 x 3.00 x 0.37 inches 163.9 x 76.3 x 9.5 mm	6.30 x 2.92 x 0.34 inches 160 x 74.2 x 8.7 mm
Weight
7.51 oz (213.0 g)	6.77 oz (192.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass) Frame: Aluminum
Biometrics
Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key, Other
Colors
Black, White	Winter Mist, Arctic Sky, Astral Black

Display

Size
6.7-inch	6.5-inch
Resolution
2340x1080px, 20:9 ratio, 385 PPI	2400x1080px, 20:9 ratio, 402 PPI
Technology
Super AMOLED Plus	AMOLED
Refresh rate
	120Hz
Screen-to-body
88.27 %	87.27 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 730 SM7150-AA (8 nm)	Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core 2x 2.2GHz Kryo 470 + 6x 1.8GHz Kryo 470	Octa-core 2840 MHz Kryo 680
GPU
Adreno 618	Adreno 660
RAM
6GB (LPDDR4)	8GB (LPDDR5)
Internal storage
128GB, available to use: 106 GB	128GB (UFS 3.1)
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (10), Samsung One UI	Android (11), OxygenOS UI

Battery

Capacity
7000 mAh	4500 mAh
Charging
Fast charging, Reverse wired charging	OnePlus Warp Charge, Qi wireless charging
Charge speed
Wired: 25.0W	Wired: 65.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 50min

Browsing

11h 29min

Video

9h 16min

Gaming

9h 6min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Triple camera
Main camera
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.4" Pixel size: 1.12 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2	50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/1.56"
Third camera
5 MP (Macro) Aperture size: F2.4	2 MP (Black and White)
Fourth camera
5 MP (Depth information) Aperture size: F2.4
Flash
LED	Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps) HDR, Continuous autofocus, EIS
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD)	16 MP (EIS)

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),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 3.1
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	Accelerometer, Gyroscope, Compass
Other
NFC	NFC

Multimedia

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

Cellular

5G
	Bands n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)	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)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
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), 9(1700), 19(800)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Mar 24, 2021 FCC ID value: 2ABZ2-EF136
Measured SAR
	Head: 1.20 W/kg Body: 0.78 W/kg Simultaneous Transmission: 1.48 W/kg Wireless Router: 1.18 W/kg

Buyers information

MSRP
€ 360	$ 729
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

Availability

Officially announced
Aug 31, 2020	Mar 23, 2021

Alternative variants

With 12GB RAM and 256GB storage

RAM	12GB
Internal storage	256GB
MSRP	$ 829

Links

Full specifications
Samsung Galaxy M51 Specs	OnePlus 9 Specs
PhoneArena Review
	OnePlus 9 Review
User Reviews
	OnePlus 9 User Reviews