Compare Samsung Galaxy A31 vs Samsung Galaxy A51
| Compare | ||
|---|---|---|
| Phones |  |  |
| Network, supported bands and technologies | ||
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands | 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41 | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) |
| Speed | HSPA, LTE-A | HSPA, LTE-A |
| HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | ||
| Release date | ||
| First presented | 2020, March 24 | 2019, December |
| Status | Available. Released 2020, April 27 | Available. Released 2019, December |
| Size and Dimensions | ||
|---|---|---|
| Measurements | 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) | 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in) |
| Weight | 185 g (6.53 oz) | 172 g (6.07 oz) |
| SIM | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
| Design | buildGlass front (Gorilla Glass 3), plastic back, plastic frame | |
| Display (type and size) | ||
| Type | Super AMOLED capacitive touchscreen, 16M colors | Super AMOLED capacitive touchscreen, 16M colors |
| Size | 6.4 inches, 98.9 cm2 | 6.5 inches, 102.0 cm2 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio | 1080 x 2400 pixels, 20:9 ratio |
| Protection | Corning Gorilla Glass 3 |
| System and processor information | ||
|---|---|---|
| OS | Android 10.0; One UI 2.0 | Android 10.0; One UI 2 |
| Central processing unit | Octa-core (2x2.0 GHz & 6x1.7 GHz) | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
| Chipset | Exynos 9611 (10nm) | |
| Graphics processing unit | Mali-G72 MP3 | |
| Memory bank | ||
| Slot for memory card | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Built-in | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
| memoryotherUFS 2.0 | ||
| Camera | ||
| Quad | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8 | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8 |
| Features | LED flash, panorama, HDR | LED flash, panorama, HDR |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30/120fps; gyro-EIS |
| Selfie Single | 20 MP, f/2.2, (wide) | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8 |
| Selfie Video | 1080p@30fps | 1080p@30fps |
| Selfie Features | HDR | |
| Sound | ||
| Main speaker | Yes | Yes |
| 3.5mm jack | Yes | Yes |
| Communication | ||
|---|---|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC | Yes (market/region dependent) | Yes |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| Radio | FM radio | |
| Features | ||
| Sensors | Fingerprint recognition (under display, optical), accelerometer, gyro, proximity sensor, compass | Fingerprint recognition (under display, optical), accelerometer, gyro, proximity sensor, compass |
| ANT+ | ||
| Battery | ||
| Built-in Li-Po 5000 mAh battery | Built-in Li-Po 4000 mAh battery | |
| Charging | Fast charging 15W | Fast charging 15W |
| Other | ||
| Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White | Prism Crush Black, White, Blue, Pink |
| Models | modelsSM-A315F, SM-A315F/DS | modelsSM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N |
| Price | $ 234.99 | € 315.00 / $ 280.95 / £ 235.70 / ₹ 23,999 |
| SAR | sar-us0.80 W/kg (head) 0.67 W/kg (body) |
