| Product |
Samsung Galaxy M31s
|
Samsung Galaxy A15
|
| Battery |
| Charging |
25W wired4.5W reverse wired |
25W wired |
| Type |
Li-Po 6000 mAh |
5000 mAh |
| Body |
| Build |
- |
Glass front, plastic back, plastic frame |
| Dimensions |
159.3 x 74.4 x 9.3 mm (6.27 x 2.93 x 0.37 in) |
160.1 x 76.8 x 8.4 mm (6.30 x 3.02 x 0.33 in) |
| SIM |
Nano-SIMNano-SIM + Nano-SIM |
Nano-SIMNano-SIM + Nano-SIM |
| Weight |
203 g (7.16 oz) |
200 g (7.05 oz) |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
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 |
FM radio (market/region dependent) |
| 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 |
- |
| Resolution |
1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
1080 x 2340 pixels, 19.5:9 ratio (~396 ppi density) |
| Size |
6.5 inches, 102.0 cm2 (~86.1% screen-to-body ratio) |
6.5 inches, 103.7 cm2 (~84.3% screen-to-body ratio) |
| Type |
Super AMOLED |
Super AMOLED, 90Hz, 800 nits (HBM) |
| Features |
| Sensors |
Fingerprint (side-mounted), accelerometer, gyro, compass |
Fingerprint (side-mounted), accelerometer, compass |
| |
Virtual proximity sensing |
Virtual proximity sensing |
| Launch |
| Announced |
2020, July 30 |
2023, December 11 |
| Status |
Available. Released 2020, August 06 |
Available. Released 2023, December 16 |
| 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) |
50 MP, f/1.8, 26mm (wide), 1/2.8", 0.64µm, PDAF
5 MP, f/2.2, 17mm (ultrawide), 1/5.0", 1.12µm
2 MP, f/2.4, (macro) |
| Video |
4K@30fps, 1080p@30fps, gyro-EIS |
1080p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (uses shared SIM slot) |
| Internal |
128GB 6GB RAM, 128GB 8GB RAM |
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM |
| |
UFS 2.1 |
- |
| Misc |
| Colors |
Mirage Black, Mirage Blue |
Brave Black, Optimistic Blue, Magical Blue, Personality Yellow |
| Models |
SM-M317F, SM-M317F/DS |
SM-A155F, SM-A155F/DSN, SM-A155M, SM-A155M/DS, SM-A155P, SM-A155R |
| SAR |
1.38 W/kg (head) |
- |
| SAR EU |
- |
0.42 W/kg (head) 1.29 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, 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 Helio G99 (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, upgradable to Android 12, One UI 4.1 |
Android 14, up to 4 major Android upgrades, One UI 7 |
| Selfie camera |
| Features |
HDR |
- |
| Single |
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm |
13 MP, f/2.0, 26mm (wide), 1/3.06", 1.12µm |
| Video |
4K@30fps, 1080p@30fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
| Tests |
| Battery (new) |
- |
Active use score 15:28h |
| Display |
- |
808 nits max brightness (measured) |
| Loudspeaker |
- |
-25.5 LUFS (Very good) |
| Performance |
- |
AnTuTu: 316967 (v9), 375314 (v10)
GeekBench: 1928 (v5), 1936 (v6)
3DMark: 338 (Wild Life Extreme) |
