Compare
Specifications
Samsung Galaxy A9 (2018) |
Samsung Galaxy A31 |
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Full
Differences
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Samsung Galaxy A9 (2018) |
Samsung Galaxy A31 |
| Network | ||
|---|---|---|
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - SM-A315F |
| HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G | |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 | 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps | HSPA, LTE |
| Launch | ||
|---|---|---|
| Announced | 2018, October. Released 2018, November | 2020, March 24 |
| Status | Discontinued | Available. Released 2020, April 27 |
| Body | ||
|---|---|---|
| Dimensions | 162.5 x 77 x 7.8 mm (6.40 x 3.03 x 0.31 in) | 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) |
| 3D size compare | ||
| Weight | 183 g (6.46 oz) | 185 g (6.53 oz) |
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame | |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM Nano-SIM + Nano-SIM |
| Display | ||
|---|---|---|
| Type | Super AMOLED | Super AMOLED |
| Size | 6.3 inches, 100.2 cm2 (~80.1% screen-to-body ratio) | 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio) |
| Resolution | 1080 x 2220 pixels, 18.5:9 ratio (~393 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) |
| Protection | Corning Gorilla Glass 5 | |
| Platform | ||
|---|---|---|
| OS | Android 8.0 (Oreo), upgradable to Android 10, One UI | Android 10, upgradable to Android 12, One UI 4.1 |
| Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) | Mediatek MT6768 Helio P65 (12 nm) |
| CPU | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) |
| GPU | Adreno 512 | Mali-G52 MC2 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM |
| eMMC 5.1 | eMMC 5.1 | |
| Main Camera | ||
|---|---|---|
| Modules | 24 MP, f/1.7, 27mm (wide), 1/2.8", 0.9µm, PDAF 10 MP f/2.4, 52mm (telephoto), 1/3.9", 1.0µm, AF, 2x optical zoom 8 MP, f/2.4, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth) |
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth) |
| Features | LED flash, panorama, HDR | LED flash, panorama, HDR |
| Video | 4K@30fps, 1080p@30fps | 1080p@30fps |
| Selfie Camera | ||
|---|---|---|
| Modules | 24 MP, f/2.0, 27mm (wide), 1/2.8", 0.9µm | 20 MP, f/2.2, (wide) |
| Features | HDR | |
| Video | 1080p@30fps | 1080p@30fps |
ADVERTISEMENT
| Sound | ||
|---|---|---|
| Loudspeaker | Yes | Yes |
| 3.5mm jack | Yes | Yes |
| 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, LE | 5.0, A2DP, LE |
| Positioning | GPS, GLONASS, BDS, GALILEO | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes | Yes (market/region dependent) |
| Infrared port | No | No |
| Radio | FM radio | FM radio, RDS, recording |
| USB | USB Type-C 2.0 | USB Type-C 2.0, OTG |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, compass |
| ANT+ Samsung Pay |
Virtual proximity sensing | |
| Battery | ||
|---|---|---|
| Type | Li-Ion 3800 mAh, non-removable | Li-Po 5000 mAh |
| Charging | 18W wired | 15W wired |
| Misc | ||
|---|---|---|
| Colors | Caviar Black, Lemonade Blue, Bubblegum Pink | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White | SAR | 0.27 W/kg (head) 0.84 W/kg (body) |
| SAR EU | 0.35 W/kg (head) 1.59 W/kg (body) | 0.49 W/kg (head) 1.68 W/kg (body) |
| Models | SM-A920F, SM-A9200, SM-A920N, SM-A920X | SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N |
| Price | About 550 EUR | £ 159.99 / € 165.09 |
| Tests | ||
|---|---|---|
| Performance | AnTuTu: 140500 (v7) GeekBench: 5763 (v4.4) GFXBench: 8.3fps (ES 3.1 onscreen) |
AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen) |
| Display | Contrast ratio: Infinite (nominal), 4.220 (sunlight) | 635 nits max brightness (measured) |
| Camera | Compare PHOTO / Compare VIDEO | |
| Loudspeaker | Voice 69dB / Noise 72dB / Ring 77dB | -30.9 LUFS (Below average) |
| Audio quality | Noise -90.6dB / Crosstalk -93.8dB | |
| Battery (old) | Endurance rating 88h | Endurance rating 124h |