OnePlus 8 Pro vs Samsung Galaxy M21 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.

9.0
OnePlus 8 Pro
OnePlus 8 Pro Samsung Galaxy M21
Released · Apr 21, 2020
Released · Mar 23, 2020
6.8-inch
6.4-inch
Quad camera
Triple camera
8GB · 128GB
4GB · 64GB
4510 mAh
6000 mAh
Check prices

Design

Dimensions
6.51 x 2.93 x 0.33 inches
165.3 x 74.3 x 8.5 mm
6.26 x 2.96 x 0.35 inches
159.0 x 75.1 x 8.9 mm
Weight
7.02 oz (199.0 g) 6.63 oz (188.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
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
Glacial green Midnight blue, Raven black

Display

Size
6.8-inch 6.4-inch
Resolution
3168x1440px, 19.8:9 ratio, 513 PPI 2340x1080px, 19.5:9 ratio, 403 PPI
Technology
AMOLED Super AMOLED
Refresh rate
120Hz
Screen-to-body
90.79 % 84.11 %
Peak brightness
1300 cd/m2 (nit) 420 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor Scratch-resistant glass (Corning Gorilla Glass 3), Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 865 SM8250 (7 nm) Exynos 9611 (10 nm)
Processor
Octa-core
2840 MHz
Kryo 585
Octa-core
4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Adreno 650 Mali-G72 MP3
RAM
8GB (LPDDR5) 4GB (LPDDR4)
Internal storage
128GB (UFS 3.0) 64GB, available to use: 49 GB
Storage expansion
not expandable microSDXC up to 512 GB
OS
Android (11, 10), Oxygen OS UI Android (11, 10), Samsung One UI

Battery

Capacity
4510 mAh 6000 mAh
Type
Li - Polymer Li - Polymer
Charging
OnePlus Warp Charge, Qi wireless charging, Reverse wireless charging Fast charging
Charge speed
Wired: 30.0W
Wireless: 30.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 45min
Browsing
10h 0min
Video
9h 15min
Gaming
10h 33min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Quad camera Triple camera
Main camera
48 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 25 mm
Sensor size: 1/1.4"
Pixel size: 1.12 μm
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
48 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
8 MP (Telephoto, OIS, Laser and PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Sensor size: 1/2"
Pixel size: 1 μm
5 MP (Depth information)
Aperture size: F2.2
Fourth camera
5 MP (Color filter)
Aperture size: F2.4
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
OIS, HDR, EIS
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)
EIS
Front
16 MP (EIS, HDR), Video capture: 1920x1080 (Full HD) 20 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.1 5.0
WLAN
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, USB 3.1 Type-C, USB 2.0
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
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope
Other
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
DLNA,Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G
Bands n2, n5, n41, n66, 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), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600) Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900) Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 18 (1200/150 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

Regulatory Approval

FCC approval
Date approved: Oct 12, 2020
FCC ID value: 2ABZ2-EE007
Measured SAR
Head: 0.93 W/kg
Body: 0.89 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 0.95 W/kg

Buyers information

MSRP
$ 899
In The Box
Warp Charge 30 Power Adapter, Warp Type-C Cable (Support USB 2.0), Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, LOGO Sticker, Case, Screen Protector, SIM Tray Ejector This is the official Samsu​ng Galaxy M21 User Guide in English provided from the manufacturer.

Availability

Officially announced
Apr 14, 2020 Mar 18, 2020

Alternative variants

with 256GB storage
RAM 12GB
Internal storage 256GB
Colors Onyx black, Ultramarine blue
MSRP $ 999
with 128GB storage
RAM 6GB
Internal storage 128GB
for Europe
5G Bands n1, n3, n7, n28, 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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD) Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46
for T-Mobile
Resistance Water, Dust; IP68
FCC OKs Cingular\'s purchase of AT&T Wireless