| Product |
Vivo Y91
|
Xiaomi Redmi 6
|
| Battery |
| Type |
4030 mAh, non-removable |
Li-Po 3000 mAh, non-removable |
| Body |
| Build |
Glass front, plastic back, plastic frame |
Glass front, plastic back, plastic frame |
| Dimensions |
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) |
147.5 x 71.5 x 8.3 mm (5.81 x 2.81 x 0.33 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + Nano-SIM |
| Weight |
163.5 g (5.78 oz) |
146 g (5.15 oz) |
| Comms |
| Bluetooth |
4.2, A2DP, LE |
4.2, A2DP, LE |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS, BDS |
| Radio |
FM radio |
FM radio |
| USB |
microUSB 2.0, OTG |
microUSB 2.0, OTG |
| WLAN |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Display |
| Resolution |
720 x 1520 pixels, 19:9 ratio (~270 ppi density) |
720 x 1440 pixels, 18:9 ratio (~295 ppi density) |
| Size |
6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio) |
5.45 inches, 76.7 cm2 (~72.7% screen-to-body ratio) |
| Type |
IPS LCD |
IPS LCD |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, proximity, compass |
Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Launch |
| Announced |
2018, November. Released 2018, November |
2018, June. Released 2018, June |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Dual |
13 MP, f/2.2, PDAF
2 MP, f/2.4, (depth) |
12 MP, f/2.2, 1.25 μm, PDAF
5 MP, f/2.2, (depth) |
| Features |
LED flash, panorama |
LED flash, HDR, panorama |
| Video |
1080p@30fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (dedicated slot) |
| Internal |
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM |
32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM |
| |
eMMC 5.1 |
eMMC 5.1 |
| Misc |
| Colors |
Starry Black, Ocean Blue |
Black, Grey, Blue, Gold, Rose Gold |
| Models |
1816, 1817, 1820, 1811, PD1818BF_EX |
M1804C3DG, M1804C3DH, M1804C3DI |
| SAR |
1.28 W/kg (head) 0.61 W/kg (body) |
0.55 W/kg (head) 1.42 W/kg (body) |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands |
1, 3, 5, 40, 41 |
1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global |
| Speed |
HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps |
HSPA, LTE |
| Technology |
GSM / HSPA / LTE |
GSM / CDMA / HSPA / LTE |
| |
- |
1, 3, 5, 7, 8, 34, 38, 39, 40, 41 |
| Our Tests |
| Performance |
- |
AnTuTu: 75182 (v7)
GeekBench: 3639 (v4.4)
GFXBench: 4.8fps (ES 3.1 onscreen) |
| Platform |
| Chipset |
Qualcomm SDM439 Snapdragon 439 (12 nm) |
Mediatek MT6762 Helio P22 (12 nm) |
| CPU |
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53) |
Octa-core 2.0 GHz Cortex-A53 |
| GPU |
Adreno 505 |
PowerVR GE8320 |
| OS |
Android 8.1 (Oreo), Funtouch 4.5 |
Android 8.1 (Oreo), planned upgrade to Android 10, MIUI 12 |
| Selfie camera |
| Single |
8 MP, f/1.8 |
5 MP |
| Video |
1080p@30fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |