| Product |
Vivo Y91
|
Google Pixel 4a
|
| Battery |
| Charging |
- |
18W wired, PD2.0 |
| Type |
4030 mAh, non-removable |
Li-Po 3140 mAh |
| Body |
| Build |
Glass front, plastic back, plastic frame |
Glass front (Gorilla Glass 3), plastic back, plastic frame |
| Dimensions |
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) |
144 x 69.4 x 8.2 mm (5.67 x 2.73 x 0.32 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + eSIM |
| Weight |
163.5 g (5.78 oz) |
143 g (5.04 oz) |
| Comms |
| Bluetooth |
4.2, A2DP, LE |
5.0, A2DP, LE, aptX HD |
| NFC |
No |
Yes |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS, GALILEO, QZSS, BDS |
| Radio |
FM radio |
No |
| USB |
microUSB 2.0, OTG |
USB Type-C 3.1 |
| WLAN |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA |
| Display |
| Protection |
- |
Corning Gorilla Glass 3 |
| Resolution |
720 x 1520 pixels, 19:9 ratio (~270 ppi density) |
1080 x 2340 pixels, 19.5:9 ratio (~443 ppi density) |
| Size |
6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio) |
5.81 inches, 83.2 cm2 (~83.3% screen-to-body ratio) |
| Type |
IPS LCD |
OLED, HDR |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, proximity, compass |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer |
| Launch |
| Announced |
2018, November. Released 2018, November |
2020, August 03 |
| Status |
Discontinued |
Available. Released 2020, August 20 |
| Main Camera |
| Dual |
13 MP, f/2.2, PDAF
2 MP, f/2.4, (depth) |
- |
| Features |
LED flash, panorama |
LED flash, Pixel Shift, Auto-HDR, panorama |
| Single |
- |
|
| Video |
1080p@30fps |
4K@30fps, 1080p@30/60/120fps; gyro-EIS |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
No |
| Internal |
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM |
128GB 6GB RAM |
|
eMMC 5.1 |
UFS 2.1 |
| Misc |
| Colors |
Starry Black, Ocean Blue |
Just Black, Barely Blue |
| Models |
1816, 1817, 1820, 1811, PD1818BF_EX |
G025J, GA02099, G025N |
| SAR |
|
- |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands |
1, 3, 5, 40, 41 |
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 |
| Speed |
HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps |
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/75 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE |
| Platform |
| Chipset |
Qualcomm SDM439 Snapdragon 439 (12 nm) |
Qualcomm SDM730 Snapdragon 730G (8 nm) |
| CPU |
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53) |
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) |
| GPU |
Adreno 505 |
Adreno 618 |
| OS |
Android 8.1 (Oreo), Funtouch 4.5 |
Android 10, upgradable to Android 13 |
| Selfie camera |
| Features |
- |
HDR |
| Single |
8 MP, f/1.8 |
|
| Video |
1080p@30fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes, with stereo speakers |
| Tests |
| Battery (old) |
- |
Endurance rating 76h |
| Display |
- |
803 nits max brightness (measured) |
| Performance |
- |
AnTuTu: 268714 (v8)GeekBench: 6426 (v4.4), 1626 (v5.1)GFXBench: 17fps (ES 3.1 onscreen) |
