| Product |
Vivo Z3i
|
Xiaomi Redmi K20 Pro Premium
|
| Battery |
| Charging |
18W wired |
27W wired, QC4 |
| Type |
3315 mAh, non-removable |
Li-Po 4000 mAh, non-removable |
| Body |
| Build |
- |
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| Dimensions |
156 x 75.6 x 8.1 mm (6.14 x 2.98 x 0.32 in) |
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + Nano-SIM |
| Weight |
164 g (5.78 oz) |
191 g (6.74 oz) |
| Comms |
| Bluetooth |
4.2, A2DP, EDR, LE, aptX |
5.0, A2DP, LE, aptX HD |
| NFC |
No |
Yes |
| Positioning |
GPS, GLONASS, BDS |
GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a) |
| Radio |
FM radio |
Yes |
| USB |
microUSB 2.0, OTG |
USB Type-C 2.0, OTG |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Display |
| Protection |
- |
Corning Gorilla Glass 5 |
| Resolution |
1080 x 2280 pixels, 19:9 ratio (~400 ppi density) |
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Size |
6.3 inches, 99.1 cm2 (~84.0% screen-to-body ratio) |
6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio) |
| Type |
IPS LCD |
Super AMOLED, HDR10 |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Launch |
| Announced |
2018, October. Released 2018, October |
2019, September. Released 2019, September |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Dual |
16 MP, f/2.0, PDAF
2 MP, f/2.4, (depth) |
- |
| Features |
LED flash, HDR, panorama |
Laser AF, Dual-LED flash, HDR, panorama |
| Triple |
- |
|
| Video |
1080p@30fps |
4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
No |
| Internal |
128GB 6GB RAM |
128GB 8GB RAM, 512GB 8GB RAM, 512GB 12GB RAM |
|
eMMC 5.1 |
UFS 2.1 |
| Misc |
| Colors |
Aurora blue, Millenium Pink |
Carbon black, Flame red, Glacier blue, Summer Honey, Pearl White |
| 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, 8, 34, 38, 39, 40, 41 |
1, 3, 5, 7, 8, 34, 38, 39, 40, 41 |
| Speed |
HSPA, LTE |
HSPA, LTE |
| Technology |
GSM / CDMA / HSPA / LTE |
GSM / CDMA / HSPA / LTE |
|
CDMA 800 / 1900 & TD-SCDMA |
CDMA 800 & TD-SCDMA |
| Platform |
| Chipset |
Mediatek MT6771 Helio P60 (12 nm) |
Qualcomm SM8150 Snapdragon 855+ (7 nm) |
| CPU |
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) |
Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485) |
| GPU |
Mali-G72 MP3 |
Adreno 640 (700 MHz) |
| OS |
Android 8.1 (Oreo) |
Android 10, MIUI 11 |
| Selfie camera |
| Features |
HDR |
HDR |
| Single |
|
|
| Video |
1080p@30fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
|
- |
24-bit/192kHz Hi-Res audio |
