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	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
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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

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 Samsung 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

Links

Full specifications
OnePlus 8 Pro Specs	Samsung Galaxy M21 Specs
PhoneArena Review
OnePlus 8 Pro Review
User Reviews
OnePlus 8 Pro User Reviews