OnePlus 7 vs Samsung Galaxy A21s Specs Comparison

Availability

Officially announced
May 14, 2019	May 15, 2020
Prices (MSRP)
	€240

Design

Dimensions
6.21 x 2.94 x 0.32 inches 157.7 x 74.8 x 8.2 mm	6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm
Weight
6.42 oz / 182.0 g	6.77 oz / 192.0 g
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Metal
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	Black, White, Blue, Red

Display

Size
6.4-inch, 85.63% screen-to-body	6.5-inch, 82.94% screen-to-body
Type
AMOLED, 60Hz	TFT
Resolution
2340x1080px, 19.5:9 ratio, 402 PPI	1600x720px, 20:9 ratio, 270 PPI
Protection
Corning Gorilla Glass 6

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	4.6 (Poor)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 855 (7 nm)	Samsung Exynos 850
Processor
Octa-core 2840 MHz Kryo 485	Octa-core 8x2.0GHz Cortex-A55
GPU
Adreno 640	Mali-G76
Memory
6GB (LPDDR4)/128GB (UFS 3.0) 8GB/256GB	3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB
Storage expansion
not expandable	microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie)	Android (10)

Battery

Type
3700 mAh	5000 mAh, Li - Polymer
Charging
Fast charging	Fast charging
Charge speed
Wired: 20.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Learn more on our PhoneArena Battery Test Results page

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	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" 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 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
Dual LED	LED
Video recording
4K UHD (60 fps), 1080p (240 fps), 720p (480 fps) Time-lapse video, EIS, Video calling, Video sharing	1080p (30 fps)
Front
16 MP (HDR) Video capture: 1080p (30 fps)	13 MP Video capture: 1080p (30 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 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, 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
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 29, 32	1, 2, 3, 5, 7, 8, 20, 28
TDD Bands
34, 38, 39, 40, 41	38, 40, 41
3G Bands
1, 2, 4, 5, 6, 8	1, 2, 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

Alternative variants

with 256 GB storage

Memory	8GB/256GB

with 4GB RAM

Memory	4GB/64GB

with 6GB RAM

Memory	6GB/64GB

Discover more

Full Specs OnePlus 7 Specs

Full Specs Samsung Galaxy A21s Specs PA Review Samsung Galaxy A21s Review