| Product |
Realme U1
|
Vivo Y31 (2015)
|
| Battery |
| Charging |
10W wired |
- |
| Type |
Li-Ion 3500 mAh, non-removable |
2100 mAh, removable |
| Body |
| Build |
Glass front (Gorilla Glass 3), plastic back, plastic frame |
- |
| Dimensions |
157 x 74 x 8 mm (6.18 x 2.91 x 0.31 in) |
137.2 x 68.8 x 8.4 mm (5.40 x 2.71 x 0.33 in) |
| SIM |
Nano-SIM + Nano-SIM |
Dual SIM |
| Weight |
168 g (5.93 oz) |
137 g (4.83 oz) |
| Comms |
| Bluetooth |
4.2, A2DP, LE |
4.0, A2DP |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS |
GPS |
| Radio |
FM radio |
FM radio |
| USB |
microUSB 2.0, OTG |
microUSB 2.0 |
| WLAN |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
Wi-Fi 802.11 b/g/n, hotspot |
| Display |
| Protection |
Corning Gorilla Glass 3 |
- |
| Resolution |
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) |
720 x 1280 pixels, 16:9 ratio (~312 ppi density) |
| Size |
6.3 inches, 97.4 cm2 (~83.9% screen-to-body ratio) |
4.7 inches, 60.9 cm2 (~64.5% screen-to-body ratio) |
| Type |
IPS LCD |
IPS LCD |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, proximity, compass |
Accelerometer, proximity, compass |
| Launch |
| Announced |
2018, November. Released 2018, December |
2015, September. Released 2015, October |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Dual |
13 MP, f/2.2, AF
2 MP, f/2.4, (depth) |
- |
| Features |
LED flash, HDR, panorama |
LED flash, HDR |
| Single |
- |
8 MP |
| Video |
1080p@30fps, 720p@90fps |
720p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (dedicated slot) |
| Internal |
32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM |
8GB 1GB RAM |
| |
eMMC 5.1 |
- |
| Misc |
| Colors |
Ambitious Black, Brave Blue, Fiery Gold |
White, Black |
| Models |
RMX1831, RMX1833 |
Y31L, Y31 |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 850 / 900 / 2100 |
| 4G bands |
1, 3, 5, 8, 38, 40, 41 |
- |
| Speed |
HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps |
HSPA |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA |
| Our Tests |
| Audio quality |
Noise -92.8dB / Crosstalk -93.3dB |
- |
| Battery (old) |
Endurance rating 93h |
- |
| Camera |
Photo / Video |
- |
| Display |
Contrast ratio: 1830:1 (nominal), 2.815 (sunlight) |
- |
| Loudspeaker |
Voice 68dB / Noise 73dB / Ring 72dB |
- |
| Performance |
AnTuTu: 144436 (v7)
GeekBench: 6004 (v4.4)
GFXBench: 7.1fps (ES 3.1 onscreen) |
- |
| Platform |
| Chipset |
Mediatek MT6771 Helio P70 (12 nm) |
Mediatek MT6580 (28 nm) |
| CPU |
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) |
Quad-core 1.3 GHz Cortex-A7 |
| GPU |
Mali-G72 MP3 |
Mali-400MP2 |
| OS |
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), ColorOS 6 |
Android 5.1 (Lollipop), Funtouch 2.1 |
| Selfie camera |
| Features |
HDR |
- |
| Single |
25 MP, f/2.0, 1/2.8", 0.9µm |
2 MP |
| Video |
1080p@30fps |
|
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
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