Product
Samsung Galaxy M31s
Samsung Galaxy M31s
₹22,999
Samsung Galaxy M21s
Samsung Galaxy M21s
₹23,065
Battery
Charging 25W wired4.5W reverse wired 15W wired
Type Li-Po 6000 mAh Li-Po 6000 mAh
Body
Build - Glass front (Gorilla Glass 3), plastic back, plastic frame
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)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 203 g (7.16 oz) 191 g (6.74 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC Yes (market/region dependent) No
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio, RDS, recording FM radio
USB USB Type-C 2.0, OTG USB Type-C 2.0
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
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Resolution 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
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)
Type Super AMOLED Super AMOLED, 420 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
  Virtual proximity sensing -
Launch
Announced 2020, July 30 2020, November 06
Status Available. Released 2020, August 06 Available. Released 2020, November 06
Main Camera
Features LED flash, panorama, HDR LED flash, panorama, HDR
Triple 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF12 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, PDAF8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth)
Video 4K@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30fps, gyro-EIS
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
Misc
Colors Mirage Black, Mirage Blue Blue, Black
Models SM-M317F, SM-M317F/DS SM-F415F, SM-F415F/DS
SAR 1.38 W/kg (head)     0.38 W/kg (head)    
SAR EU - 0.48 W/kg (head)     1.13 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 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
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
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
OS Android 10, upgradable to Android 12, One UI 4.1 Android 10, One UI 2.5
Selfie camera
Features HDR HDR
Single 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video 4K@30fps, 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
Offers No offers available No offers available