Product
Samsung Galaxy M31 Prime
Samsung Galaxy M31 Prime
Samsung Galaxy M23
Samsung Galaxy M23
Battery
Charging 15W wired 25W wired
Type Li-Po 6000 mAh Li-Po 5000 mAh
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame -
Dimensions 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) 165.5 x 77 x 8.4 mm (6.52 x 3.03 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 191 g (6.74 oz) 198 g (6.98 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC No Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS, QZSS
Radio FM radio, RDS, recording FM radio, recording
USB USB Type-C 2.0 USB Type-C 2.0, OTG
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 (~82.3% screen-to-body ratio)
Type Super AMOLED, 420 nits (peak) TFT LCD, 120Hz
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, compass Fingerprint (side-mounted), accelerometer, gyro, compass
  Virtual proximity sensing Virtual Proximity Sensing
Launch
Announced 2020, October 14 2022, March 04
Status Available. Released 2020, October 17 Available. Released 2022, April 08
Main Camera
Features LED flash, panorama, HDR LED flash, panorama, HDR
Quad 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm5 MP, f/2.4, (macro)5 MP, f/2.2, (depth) -
Triple - 50 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro)
Video 4K@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30fps, 720p@480fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 6GB RAM, 128GB 6GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
  UFS 2.1 -
Misc
Colors Ocean Blue, Space Black, Iceberg Blue Deep Green, Light Blue, Orange Copper
Models SM-M315F/DS SM-M236B, SM-M236B/DS, SM-M236L
SAR 0.38 W/kg (head)     -
SAR EU - 0.78 W/kg (head)     1.09 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, 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
5G bands - 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Exynos 9611 (10 nm) Qualcomm SM7225 Snapdragon 750G 5G (8 nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570)
GPU Mali-G72 MP3 Adreno 619
OS Android 10, One UI 2.0 Android 12, upgradable to Android 13, One UI 5.1
Selfie camera
Features HDR -
Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 8 MP, f/2.2, (wide)
Video 4K@30fps, 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes