Compare
Specifications
Samsung Galaxy A8 (2018) |
Samsung Galaxy A51 |
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Full
Differences
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Samsung Galaxy A8 (2018) |
Samsung Galaxy A51 |
| Network | ||
|---|---|---|
| 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 Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | ||
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 |
| 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A515U | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE (3CA) Cat11 600/75 Mbps | HSPA, LTE |
| Launch | ||
|---|---|---|
| Announced | 2017, December | 2019, December 12 |
| Status | Available. Released 2018, January | Available. Released 2019, December 16 |
| Body | ||
|---|---|---|
| Dimensions | 149.2 x 70.6 x 8.4 mm (5.87 x 2.78 x 0.33 in) | 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in) |
| 3D size compare | ||
| Weight | 172 g (6.07 oz) | 172 g (6.07 oz) |
| Build | Glass front (Gorilla Glass 4), glass back (Gorilla Glass 5), aluminum frame | Glass front (Gorilla Glass 3), plastic back, plastic frame |
| 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) |
| IP68 dust/water resistant (up to 1.5m for 30 min) | ||
| Display | ||
|---|---|---|
| Type | Super AMOLED | Super AMOLED |
| Size | 5.6 inches, 79.6 cm2 (~75.6% screen-to-body ratio) | 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio) |
| Resolution | 1080 x 2220 pixels, 18.5:9 ratio (~441 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
| Protection | Corning Gorilla Glass 4 | Corning Gorilla Glass 3 |
| Always-on display | ||
| Platform | ||
|---|---|---|
| OS | Android 7.1.1 (Nougat), upgradable to Android 9.0 (Pie), One UI | Android 10, upgradable to Android 13, One UI 5 |
| Chipset | Exynos 7885 (14 nm) | Exynos 9611 (10nm) |
| CPU | Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
| GPU | Mali-G71 | Mali-G72 MP3 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 32GB 4GB RAM, 64GB 4GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| eMMC 5.1 | UFS 2.0 | |
| Main Camera | ||
|---|---|---|
| Modules | 16 MP, f/1.7, 26mm (wide), 1/2.8”, 1.12µm, PDAF | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.2, (depth) |
| Features | LED flash, panorama, HDR | LED flash, panorama, HDR |
| Video | 1080p@30fps | 4K@30fps, 1080p@30/120fps; gyro-EIS |
| Selfie Camera | ||
|---|---|---|
| Modules | 16 MP, f/1.9, 26mm (wide), 1/3.06", 1.0µm 8 MP, f/1.9, 24mm (wide), 1/4.0", 1.12µm |
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm |
| Features | HDR | |
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps |
ADVERTISEMENT
| Sound | ||
|---|---|---|
| Loudspeaker | Yes | Yes |
| 3.5mm jack | Yes | Yes |
| 24-bit/192kHz audio |
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| Comms | ||
|---|---|---|
| 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 |
| Bluetooth | 5.0, A2DP, EDR, LE | 5.0, A2DP, LE |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes | Yes |
| Infrared port | No | No |
| Radio | FM radio | FM radio |
| USB | USB Type-C 2.0 | USB Type-C 2.0, OTG |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, optical), accelerometer, gyro, compass |
| ANT+ Samsung Pay |
Virtual proximity sensing ANT+ |
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| Battery | ||
|---|---|---|
| Type | Li-Ion 3000 mAh, non-removable | Li-Po 4000 mAh, non-removable |
| Charging | 18W wired | 15W wired |
| Talk time | Up to 24 h (3G) | |
| Music play | Up to 66 h | |
| Misc | ||
|---|---|---|
| Colors | Black, orchid grey, gold, blue | Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink | SAR | 0.80 W/kg (head) 0.67 W/kg (body) |
| SAR EU | 0.24 W/kg (head) 1.25 W/kg (body) | 0.37 W/kg (head) 1.59 W/kg (body) |
| Models | SM-A530F, SM-A530F, SM-A530K, SM-A530L, SM-A530S, SM-A530N, SM-A530W | SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL |
| Price | About 250 EUR | $ 137.00 / C$ 188.99 / £ 109.00 / € 126.00 / ₹ 12,999 |
| Tests | ||
|---|---|---|
| Performance | GeekBench: 4418 (v4.4) GFXBench: 5.2fps (ES 3.1 onscreen) |
AnTuTu: 113051 (v7), 175363 (v8) GeekBench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen) |
| Display | Contrast ratio: Infinity (nominal), 3.842 (sunlight) | Contrast ratio: Infinite (nominal) |
| Camera | Compare PHOTO / Compare VIDEO | |
| Loudspeaker | Voice 69dB / Noise 70dB / Ring 81dB | -28.6 LUFS (Average) |
| Audio quality | Noise -92.1dB / Crosstalk -90.0dB | Noise -93.1dB / Crosstalk -87.3dB |
| Battery (old) | Endurance rating 92h | Endurance rating 86h |