Product
Samsung Galaxy M31 Prime
Samsung Galaxy M31 Prime
₹19,999
Samsung Galaxy A15 5G
Samsung Galaxy A15 5G
₹21,499
Battery
Charging 15W wired 25W wired
Type Li-Po 6000 mAh 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) 160.1 x 76.8 x 8.4 mm (6.30 x 3.02 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 191 g (6.74 oz) 200 g (7.05 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.3, A2DP, LE
NFC No Yes (market/region dependent)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio, RDS, recording No
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 2340 pixels, 19.5:9 ratio (~396 ppi density)
Size 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) 6.5 inches, 103.7 cm2 (~84.3% screen-to-body ratio)
Type Super AMOLED, 420 nits (peak) Super AMOLED, 90Hz, 800 nits (HBM)
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 2023, December 11
Status Available. Released 2020, October 17 Available. Released 2023, December 16
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), AF 5 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro)
Video 4K@30fps, 1080p@30fps, gyro-EIS 1080p@30fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 64GB 6GB RAM, 128GB 6GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.1 -
Misc
Colors Ocean Blue, Space Black, Iceberg Blue Brave Black, Personality Yellow, Magical Blue, Optimistic Blue
Models SM-M315F/DS SM-A156B, SM-A156B/DS, SM-A156P, SM-A156P/DS, SM-A156U, SM-A156U1, SM-A156U1/DS, SM-A156W, SM-A156P/N, SM-A156P/DSN, SM-S156VL, SM-A156M, SM-A156E, SM-A156E/DSN
SAR 0.38 W/kg (head)     -
SAR EU - 0.80 W/kg (head)     1.46 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, 26, 28, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Exynos 9611 (10 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G72 MP3 Mali-G57 MC2
OS Android 10, One UI 2.0 Android 14, up to 4 major Android upgrades, One UI 7
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
Tests
Battery (new) - Active use score 14:31h
Display - 786 nits max brightness (measured)
Loudspeaker - -25.5 LUFS (Very good)
Performance - AnTuTu: 306274 (v9), 364663 (v10) GeekBench: 1747 (v5), 1763 (v6) 3DMark: 335 (Wild Life Extreme)
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