Product
Samsung Galaxy M31
Samsung Galaxy M31
Samsung Galaxy A14
Samsung Galaxy A14
Battery
Charging 15W wired 15W wired
Type Li-Po 6000 mAh Li-Po 5000 mAh
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) 167.7 x 78 x 9.1 mm (6.60 x 3.07 x 0.36 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 191 g (6.74 oz) 201 g (7.09 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.1 or 5.3, A2DP, LE
NFC Yes (market/region dependent) Yes (market/region dependent)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio, RDS, recording Unspecified
USB USB Type-C 2.0 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 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) 1080 x 2408 pixels, 20:9 ratio (~400 ppi density)
Size 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) 6.6 inches, 104.9 cm2 (~80.2% screen-to-body ratio)
Type Super AMOLED, 420 nits (peak) PLS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, compass Fingerprint (side-mounted), accelerometer, proximity, compass
  Virtual proximity sensing -
Launch
Announced 2020, February 25 2023, February 28
Status Available. Released 2020, March 05 Available. Released 2023, March 27
Main Camera
Features LED flash, panorama, HDR LED flash, panorama, HDR
Triple 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 5 MP, f/2.2, (depth) 50 MP, f/1.8, (wide), PDAF 5 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro)
Video 4K@30fps, 1080p@30fps, gyro-EIS 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
  UFS 2.1 -
Misc
Colors Ocean Blue, Space Black, Red Black, Dark Red, Silver, Green
Models SM-M315F, SM-M315F/DS, SM-M315F/DSN SM-A145F, SM-A145F/DSN, SM-A145M, SM-A145M/DS, SM-A145P, SM-A145R
SAR 0.52 W/kg (head)     0.69 W/kg (body)     -
SAR EU 0.48 W/kg (head)     1.13 W/kg (body)     0.46 W/kg (head)     1.37 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 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Exynos 9611 (10 nm) Mediatek MT6769 Helio G80 (12 nm) - Version AExynos 850 (8 nm) - Version B
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) - Version AOcta-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55) - Version B
GPU Mali-G72 MP3 Mali-G52 MC2
OS Android 10, upgradable to Android 12, One UI 4.1 Android 13, upgradable to Android 14, One UI 6
Selfie camera
Features HDR -
Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 13 MP, f/2.0, (wide)
Video 4K@30fps, 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes