| Product |
Xiaomi Poco C85 4G
|
Vivo Y31 (2015)
|
| Battery |
| Charging |
33W wired, PD, 50% in 31 min
10W reverse wired |
- |
| Type |
6000 mAh |
2100 mAh, removable |
| Body |
| Build |
Glass front, plastic frame |
- |
| Dimensions |
171.6 x 79.5 x 8 mm (6.76 x 3.13 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 |
205 g (7.23 oz) |
137 g (4.83 oz) |
| |
IP64 dust tight and water resistant (water splashes) |
- |
| Comms |
| Bluetooth |
5.4, A2DP, LE |
4.0, A2DP |
| NFC |
Yes (market/region dependent) |
No |
| Positioning |
GPS, GLONASS, GALILEO, BDS |
GPS |
| Radio |
FM radio |
FM radio |
| USB |
USB Type-C 2.0, OTG |
microUSB 2.0 |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band |
Wi-Fi 802.11 b/g/n, hotspot |
| Display |
| Resolution |
720 x 1600 pixels, 20:9 ratio (~254 ppi density) |
720 x 1280 pixels, 16:9 ratio (~312 ppi density) |
| Size |
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio) |
4.7 inches, 60.9 cm2 (~64.5% screen-to-body ratio) |
| Type |
IPS LCD, 120Hz, 660 nits (typ), 810 nits (HBM) |
IPS LCD |
| Features |
| Sensors |
Fingerprint (side-mounted), accelerometer, compass |
Accelerometer, proximity, compass |
| |
Virtual proximity sensing
Circle to Search |
- |
| Launch |
| Announced |
2025, September 01 |
2015, September. Released 2015, October |
| Status |
Available. Released 2025, September 01 |
Discontinued |
| Main Camera |
| Dual |
50 MP, f/1.8, 28mm (wide), 1/2.76", 0.64µm, PDAF
QVGA, f/3.0 |
- |
| Features |
LED flash, HDR |
LED flash, HDR |
| Single |
- |
8 MP |
| Video |
1080p@30fps |
720p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (dedicated slot) |
| Internal |
128GB 6GB RAM, 256GB 8GB RAM |
8GB 1GB RAM |
| |
eMMC 5.1 |
- |
| Misc |
| Colors |
Purple, Black, Green |
White, Black |
| Models |
- |
Y31L, Y31 |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 2100 |
| 4G bands |
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 66 |
- |
| Speed |
HSPA, LTE |
HSPA |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA |
| Platform |
| Chipset |
Mediatek Helio G81 Ultra (12 nm) |
Mediatek MT6580 (28 nm) |
| CPU |
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
Quad-core 1.3 GHz Cortex-A7 |
| GPU |
Mali-G52 MC2 |
Mali-400MP2 |
| OS |
Android 15, HyperOS 2 |
Android 5.1 (Lollipop), Funtouch 2.1 |
| Selfie camera |
| Features |
HDR |
- |
| Single |
8 MP, f/2.0, (wide), 1/4.0", 1.12µm |
2 MP |
| Video |
1080p@30fps |
|
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
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