Realme 8i vs vivo Y31 (2021)
| Phones Images | |||||
|---|---|---|---|---|---|
|
|
||||
| PHONES | ||
|---|---|---|
| Phone Names | Realme 8i | vivo Y31 (2021) |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 3, 5, 8, 38, 40, 41 | 1, 3, 5, 8, 38, 40, 41 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2021, September 09 | 2021, January 20 |
| Status | Available. Released 2021, September 14 | Available. Released 2021, January 20 |
| Body | ||
|---|---|---|
| Build | Glass front, plastic frame, plastic back | - |
| Dimensions | 164.1 x 75.5 x 8.5 mm (6.46 x 2.97 x 0.33 in) | 163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 194 g (6.84 oz) | 188 g (6.63 oz) |
| Display | ||
|---|---|---|
| Resolution | 1080 x 2412 pixels, 20:9 ratio (~400 ppi density) | 1080 x 2408 pixels, 20:9 ratio (~401 ppi density) |
| Size | 6.6 inches, 104.8 cm2 (~84.6% screen-to-body ratio) | 6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio) |
| Type | IPS LCD, 120Hz, 600 nits (peak) | IPS LCD |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| Chipset | Mediatek MT6781 Helio G96 (12 nm) | Qualcomm SM6115 Snapdragon 662 (11 nm) |
| GPU | Mali-G57 MC2 | Adreno 610 |
| OS | Android 11, Realme UI 2.0 | Android 11, Funtouch 11 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM |
| UFS 2.1 | - | |
| Main Camera | ||
|---|---|---|
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Single | 16 MP, f/2.1, (wide), 1/3.0", 1.0µm | - |
| Triple | 50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF 2 MP (macro) Auxiliary lens | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 2 MP (macro) Auxiliary lens |
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | Panorama | HDR |
| Single | 16 MP, f/2.1, (wide), 1/3.0", 1.0µm | 16 MP, f/2.0, (wide), 1/3.06" 1.0µm |
| Video | 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | - |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.1, A2DP, LE | 5.0, A2DP, LE |
| NFC | Yes (market/region dependent) | No |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | No | FM radio |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 18W wired | 18W wired, 70% in 67 min |
| Type | 5000 mAh | 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | Space Black, Space Purple | Racing Black, Ocean Blue |
| Models | RMX3151 | V2036, V2036_21 |
| Price | About 440 EUR | About 190 EUR |
| Tests | ||
|---|---|---|
| Battery life | Endurance rating 131h | - |
| Camera | Photo / Video | - |
| Loudspeaker | -28.4 LUFS (Average) | - |
| OUR TESTS | ||
|---|---|---|
| Battery (old) | Endurance rating 131h | - |
| Camera | Photo / Video | - |
| Display | 1244:1 contrast ratio, 540 nits max brightness (measured) | - |
| Loudspeaker | -28.4 LUFS (Average) | - |