OnePlus 7 vs Samsung Galaxy M31 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.

OnePlus 7 Samsung Galaxy M31
Released · May 21, 2019
Released · Mar 05, 2020
6.4-inch · 2340x1080px
6.4-inch · 2340x1080px
Dual camera
Quad camera
6GB · 128GB
6GB · 64GB
3700 mAh
6000 mAh
Check prices Check prices

Availability

Officially announced
May 14, 2019 Feb 25, 2020
Prices (MSRP)
€240

Design

Dimensions
6.21 x 2.94 x 0.32 inches
157.7 x 74.8 x 8.2 mm
6.27 x 2.96 x 0.35 inches
159.2 x 75.1 x 8.9 mm
Weight
6.42 oz / 182.0 g 6.74 oz / 191.0 g
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Metal
Back: Plastic
Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Mirror gray Blue, Black, Red

Display

Size
6.4-inch, 85.63% screen-to-body 6.4-inch, 83.97% screen-to-body
Type
AMOLED, 60Hz Super AMOLED, 420 nits
Resolution
2340x1080px, 19.5:9 ratio, 402 PPI 2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass 6 Corning Gorilla Glass 3

Hardware

System chip
Snapdragon 855 (7 nm) Exynos 9611 (10 nm)
Processor
Octa-core
2840 MHz
Kryo 485
Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
GPU
Adreno 640 Mali-G72 MP3
Memory
6GB (LPDDR4)/128GB (UFS 3.0)
8GB/256GB
6GB (LPDDR4)/64GB (UFS 2.1)
6GB/128GB
Storage expansion
not expandable microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie) Android (11, 10)

Battery

Type
3700 mAh 6000 mAh, Li - Polymer
Charging
Fast charging Fast charging
Charge speed
Wired: 20.0W Wired: 15.0W

Camera

Rear
Dual camera Quad camera
Main camera
48 MP (OIS, PDAF)
Aperture size: F1.7
Sensor size: 1/2"
Pixel size: 0.8 μm
64 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 0.8 μm
Second camera
5 MP (Depth information)
Aperture size: F2.4
Pixel size: 1.12 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.2
Focal Length: 25 mm
Sensor size: 1/5"
Pixel size: 1.12 μm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Flash
Dual LED LED
Video recording
4K UHD (60 fps), 1080p (240 fps), 720p (480 fps)
Time-lapse video, EIS, Video calling, Video sharing
4K UHD (30 fps), 1080p, 720p (240 fps)
Hyperlapse, EIS
Front
16 MP (HDR)
Video capture: 1080p
32 MP (HDR, Slow-motion videos)
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 3.1 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, VoIP, Tethering, Computer sync, OTA sync NFC

Multimedia

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

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 29, 32 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
4G (TDD) Bands
34, 38, 39, 40, 41 38, 40, 41
3G Bands
1, 2, 4, 5, 6, 8 1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes
SIM type
Nano SIM Nano SIM
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Feb 07, 2020
FCC ID value: A3LSMM315F
Measured SAR
Head: 0.42 W/kg
Body: 0.41 W/kg
Simultaneous Transmission: 1.54 W/kg
Wireless Router: 0.74 W/kg

Alternative variants

with 256 GB storage
Memory 8GB/256GB
with 128GB storage
Memory 128GB
FCC OKs Cingular\'s purchase of AT&T Wireless