Samsung Galaxy M51 vs OnePlus 9 Specs Comparison

Availability

Officially announced
Aug 31, 2020	Mar 23, 2021
Prices (MSRP)
€360	$729

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, 88.27% screen-to-body	6.5-inch, 87.27% screen-to-body
Type
Super AMOLED Plus	AMOLED, 120Hz, HDR
Resolution
2340x1080px, 20:9 ratio, 385 PPI	2400x1080px, 20:9 ratio, 402 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	2.5 (Average)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 730 SM7150-AA (8 nm)	Snapdragon 888 (5 nm)
Processor
Octa-core 2x2.2GHz Kryo 470 6x1.8GHz Kryo 470	Octa-core 2840 MHz Kryo 680
GPU
Adreno 618	Adreno 660
Memory
6GB (LPDDR4)/128GB	8GB (LPDDR5)/128GB (UFS 3.1) 12GB/256GB
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (10)	Android (11)

Battery

Type
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
4K UHD (30 fps), 1080p	8K UHD (30 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (480 fps) HDR, Continuous autofocus, EIS
Front
32 MP (HDR) Video capture: 1080p	16 MP (EIS)

Connectivity & Features

Bluetooth
5.0	5.2
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	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, 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, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC	NFC

Discover more

Full Specs Samsung Galaxy M51 Specs

Full Specs OnePlus 9 Specs PA Review OnePlus 9 Review

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, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66, 71
4G (TDD) Bands
38, 40, 41	38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8, 9, 19
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

Alternative variants

With 12GB RAM and 256GB storage

Memory	12GB/256GB
Prices (MSRP)	$829