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Samsung Galaxy M31s

Samsung Galaxy M21s

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Samsung Galaxy M31s
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Samsung Galaxy M31s

Samsung Galaxy M21s

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, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
Speed HSPA, LTE HSPA, LTE
Launch
Announced 2020, July 30 2020, November 06
Status Available. Released 2020, August 06 Available. Released 2020, November 06
Body
Dimensions 159.3 x 74.4 x 9.3 mm (6.27 x 2.93 x 0.37 in) 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
Weight 203 g (7.16 oz) 191 g (6.74 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 Super AMOLED, 420 nits (peak)
Size 6.5 inches, 102.0 cm2 (~86.1% screen-to-body ratio) 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Platform
OS Android 10, upgradable to Android 12, One UI 4.1 Android 10, One UI 2.5
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 128GB 6GB RAM, 128GB 8GB RAM 64GB 4GB RAM, 128GB 6GB RAM
 UFS 2.1 eMMC 5.1
Main Camera
Modules 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)
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)
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/2.2, 26mm (wide), 1/2.8", 0.8µm 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Features HDR HDR
Video 4K@30fps, 1080p@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 Yes (market/region dependent) No
Infrared port No No
Radio FM radio, RDS, recording FM radio
USB USB Type-C 2.0, OTG USB Type-C 2.0
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
 Virtual proximity sensing
Battery
Type Li-Po 6000 mAh Li-Po 6000 mAh
Charging 25W wired
4.5W reverse wired
15W wired
Misc
Colors Mirage Black, Mirage Blue Blue, Black
SAR 1.38 W/kg (head)     0.38 W/kg (head)    
SAR EU 0.48 W/kg (head)     1.13 W/kg (body)    
Models SM-M317F, SM-M317F/DS SM-F415F, SM-F415F/DS
Price About 300 EUR About 230 EUR

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