| Product |
Vivo Y91i (India)
|
Samsung Z4
|
| Battery |
| Type |
4030 mAh, non-removable |
Li-Ion 2050 mAh, removable |
| Body |
| Dimensions |
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) |
132.9 x 69.2 x 10.3 mm (5.23 x 2.72 x 0.41 in) |
| SIM |
Nano-SIM + Nano-SIM |
Single SIM (Micro-SIM) or Hybrid Dual SIM (Micro-SIM, dual stand-by) |
| Weight |
163.5 g (5.78 oz) |
143 g (5.04 oz) |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
4.0, A2DP, LE |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS |
| 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) |
480 x 800 pixels, 5:3 ratio (~207 ppi density) |
| Size |
6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio) |
4.5 inches, 57.6 cm2 (~62.7% screen-to-body ratio) |
| Type |
IPS LCD |
IPS LCD |
| Features |
| Sensors |
Accelerometer, proximity, compass |
Accelerometer, proximity |
| Launch |
| Announced |
2019, March. Released 2019, March |
2017, May. Released 2017, June |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Features |
LED flash, panorama |
Dual-LED flash, panorama, HDR |
| Single |
13 MP, f/2.2, PDAF |
5 MP, f/2.2 |
| Video |
1080p@30fps |
720p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (uses shared SIM slot) |
| Internal |
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM |
8GB 1GB RAM |
| |
eMMC 5.1 |
- |
| Misc |
| Colors |
Fusion Black, Sunset Red, Ocean Blue |
Black, Gold |
| Models |
1820_19 |
SM-Z400F, SM-Z400Y |
| SAR |
1.28 W/kg (head) 0.61 W/kg (body) |
- |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 900 / 2100 |
| 4G bands |
1, 3, 5, 7, 8, 38, 40, 41 |
LTE |
| Speed |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE |
| |
1, 3, 5, 8, 40 |
- |
| Platform |
| Chipset |
Mediatek MT6762 Helio P22 (12 nm) |
- |
| CPU |
Octa-core 2.0 GHz Cortex-A53 |
Quad-core 1.5 GHz |
| GPU |
PowerVR GE8320 |
- |
| OS |
Android 8.1 (Oreo), Funtouch 4.5 |
Tizen 3.0 |
| Selfie camera |
| Features |
- |
LED flash |
| Single |
5 MP, f/1.8 |
5 MP, f/2.2 |
| Video |
|
|
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
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