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Samsung Galaxy M21s

Samsung Galaxy M31s

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Samsung Galaxy M21s
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Samsung Galaxy M21s

Samsung Galaxy M31s

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
Speed HSPA, LTE HSPA, LTE
Launch
Announced 2020, November 06 2020, July 30
Status Available. Released 2020, November 06 Available. Released 2020, August 06
Body
Dimensions 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) 159.3 x 74.4 x 9.3 mm (6.27 x 2.93 x 0.37 in)
Weight 191 g (6.74 oz) 203 g (7.16 oz)
Build Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM Nano-SIM
Nano-SIM + Nano-SIM
Nano-SIM
Nano-SIM + Nano-SIM
Display
Type Super AMOLED, 420 nits (peak) Super AMOLED
Size 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) 6.5 inches, 102.0 cm2 (~86.1% screen-to-body ratio)
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) 1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Platform
OS Android 10, One UI 2.5 Android 10, upgradable to Android 12, One UI 4.1
Chipset Exynos 9611 (10 nm) Exynos 9611 (10 nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU Mali-G72 MP3 Mali-G72 MP3
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 6GB RAM 128GB 6GB RAM, 128GB 8GB RAM
 eMMC 5.1 UFS 2.1
Main Camera
Modules 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.2, (depth)
64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video 4K@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30fps, gyro-EIS
Selfie Camera
Modules 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Features HDR HDR
Video 1080p@30fps 4K@30fps, 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
NFC No Yes (market/region dependent)
Infrared port No No
Radio FM radio FM radio, RDS, recording
USB USB Type-C 2.0 USB Type-C 2.0, OTG
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, compass
  Virtual proximity sensing
Battery
Type Li-Po 6000 mAh Li-Po 6000 mAh
Charging 15W wired 25W wired
4.5W reverse wired
Misc
Colors Blue, Black Mirage Black, Mirage Blue
SAR 0.38 W/kg (head)     1.38 W/kg (head)    
SAR EU 0.48 W/kg (head)     1.13 W/kg (body)    
Models SM-F415F, SM-F415F/DS SM-M317F, SM-M317F/DS
Price About 230 EUR About 300 EUR

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