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Samsung Galaxy M31s vs OnePlus Nord (OnePlus Z) vs Samsung Galaxy M21

Last Updated: Mon, 26 Oct'20

Show Differences onlyCommon Specs only

Samsung Galaxy M31s

OnePlus Nord

Samsung Galaxy M21

Show Differences onlyCommon Specs only

Samsung Galaxy M31s

OnePlus Nord

Samsung Galaxy M21

General

Height
6.27 inches
6.23 inches
6.26 inches
Width
2.92 inches
2.88 inches
2.96 inches
Thickness
0.36 inches
0.32 inches
0.35 inches
Weight
203 g
184 g
188 g
Color
Mirage Black, Mirage Blue
Marble Blue, Gray Onyx
Midnight Blue, Black
Build
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Glass front (Gorilla Glass 3), plastic back, plastic frame

Screen Size
6.5 inches
6.44 inches
6.4 inches
Display Type
Super AMOLED capacitive touchscreen
Fluid AMOLED capacitive touchscreen
Super AMOLED capacitive touchscreen
Display Resolution
1080 x 2400 pixels
1080 x 2400 pixels
1080 x 2340 pixels
Pixel Density
405 ppi
408 ppi
403 ppi
Aspect Ratio
20:09
20:9
19.5:9
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 5
Corning Gorilla Glass 3
Screen to Body Ratio
91 %
86.7%
84.20%

OS
Android 10, One UI 2.5
Android 10, OxygenOS 10.5.7
Android 10.0 One UI 2
GPU
Mali-G72 MP3
Adreno 620
Mali-G72 MP3
Chipset GP
Samsung Exynos 9 Octa 9611
Qualcomm SDM765 Snapdragon 765G (7 nm)
Exynos 9611 (10nm)
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa-core (1x2.4 GHz Kryo 475 Prime, 1x2.2 GHz Kryo 475 Gold, 6x1.8 GHz Kryo 475 Silver)
Octa-core (4x2.3 GHz Cortex-A73 and 4x1.7 GHz Cortex-A53)

RAM/Internal Storage
128GB 6GB RAM, 128GB 8GB RAM
64GB 6GB RAM, 128GB 8GB RAM, 256GB 12GB RAM
64GB 4GB RAM, 128GB 6GB RAM
Expandable Memory
microSDXC (dedicated slot), Up to 512 GB
No
microSDXC (dedicated slot)

Quad Camera
64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron|12 MP, f/2.2, 123degree (ultrawide)|5 MP, f/2.4, (macro)|5 MP, f/2.4, (depth)
48 MP, f/1.75, 26mm (wide), 1/1.72", 0.8micron, PDAF|8 MP, f/2.2, 14mm, 119degree (ultrawide)|5 MP, f/2.4, (depth)|2 MP, f/2.4, (macro)
Autofocus
PDAF
Multi Autofocus (PDAF+CAF)
PDAF
OIS
No
OIS
Back Camera Video
4K30fps, 1080p30fps, gyro-EIS
4K30fps, 1080p30/60/240fps, gyro-EIS
4K30fps, 1080p30fps, gyro-EIS
Back Camera Features
LED flash, panorama, HDR
Dual-LED flash, HDR, panorama
LED flash, panorama, HDR

Single Camera
32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron
20 MP, f/2.0, 26mm (wide)
Front Camera Video
4K30fps, 1080p30fps
4K30/60fps, 1080p30/60fps
1080p30fps
Front Camera Features
HDR
HDR
HDR
Dual Camera
32 MP, f/2.5, (wide), 1/2.8", 0.8micron|8 MP, f/2.5, 105degree (ultrawide), 1/4.0", 1.12micron

HeadPhone Jack
Yes
Yes
Yes
Loudspeaker
Yes
Yes
Yes
Audio Features
Dolby Atmos
Super linear speaker | Noise cancellation support
Dolby Atmos

Battery Capacity
6000 mAh battery
4115 mAh battery
6000 mAh battery
User Replaceable
Non-removable
Non-removable
Non-removable
Talk Time
Up to 51 Hours (4G LTE)
Music Time
Up to 125 Hours Audio Playback Time
Charging
Fast charging 25W|Reverse charging
Fast charging 30W, 70% in 30 min
Fast charging 15W
Battery Type
Li-Po
Li-Po
Li-Po

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS, SBAS, NavIC
Yes, with A-GPS, GLONASS, BDS
Radio
FM radio, RDS, recording
Unspecified
FM radio, RDS, recording
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
2.0, Type-C 1.0 reversible connector, USB On-The-Go
2.0, Type-C 1.0 reversible connector
NFC
No
Yes
No
SIM
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Network Support
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE

Sensors
Fingerprint (side-mounted), Accelerometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing
Fingerprint (under display, optical), Accelerometer/Electronic compass/Gyroscope/Ambient light sensor/Proximity sensor/Sensor Core
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Announced On
2020, July 30
2020, July 21
2020, March 18
Status
Available. Released 2020, July 30
Available. Released 2020, August 04
Available. Released 2020, March 23