| Product |
Vivo X20
|
Xiaomi Redmi K20 Pro
|
| Battery |
| Charging |
- |
27W wired, QC4 |
| Type |
Li-Ion 3250 mAh, non-removable |
Li-Po 4000 mAh, non-removable |
| Body |
| Build |
Glass front, aluminum back, aluminum frame |
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| Dimensions |
155.9 x 75.2 x 7.2 mm (6.14 x 2.96 x 0.28 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 |
159 g (5.61 oz) |
191 g (6.74 oz) |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
5.0, A2DP, LE, aptX HD |
| NFC |
No |
Yes (China only) |
| Positioning |
GPS |
GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a) |
| Radio |
No |
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 2160 pixels, 18:9 ratio (~402 ppi density) |
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Size |
6.01 inches, 93.2 cm2 (~79.5% screen-to-body ratio) |
6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio) |
| Type |
Super AMOLED |
Super AMOLED, HDR10 |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Launch |
| Announced |
2017, September. Released 2017, October |
2019, May 28. Released 2019, June 01 |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Dual |
12 MP, f/1.8, AF
5 MP, f/2.4, (depth) |
- |
| Features |
LED flash, HDR, panorama |
Laser AF, Dual-LED flash, HDR, panorama |
| Triple |
- |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom
13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm |
| Video |
1080p@30fps |
4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps |
| Memory |
| Card slot |
microSDXC (uses shared SIM slot) |
No |
| Internal |
64GB 4GB RAM |
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| |
eMMC 5.1 |
UFS 2.1 |
| Misc |
| Colors |
Matte Black, Black/Gold, Gold, Rose gold, Blue, Pink |
Carbon black, Flame red, Glacier blue, Summer Honey, Pearl White |
| Models |
X20A, 1721 |
M1903F11I |
| SAR |
- |
1.03 W/kg (head) 0.72 W/kg (body) |
| Network |
| 2G bands |
GSM 900 / 1800 - SIM 1 & SIM 2 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands |
1, 2, 3, 5, 7, 8, 34, 38, 39, 40, 41 |
1, 3, 5, 7, 8, 34, 38, 39, 40, 41 |
| Speed |
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps |
HSPA, LTE |
| Technology |
GSM / CDMA / HSPA / LTE |
GSM / HSPA / LTE |
| |
1, 2, 3, 4, 5, 8, - X20A |
- |
| Our Tests |
| Audio quality |
- |
Noise -93.9dB / Crosstalk -94.2dB |
| Battery (old) |
- |
Endurance rating 103h |
| Camera |
- |
Photo / Video |
| Display |
- |
643 nits max brightness (measured) |
| Loudspeaker |
- |
Voice 71dB / Noise 75dB / Ring 84dB |
| Performance |
- |
AnTuTu: 368846 (v7), 437823 (v8)
GeekBench: 10684 (v4.4), 2732 (v5.1)
GFXBench: 36fps (ES 3.1 onscreen) |
| Platform |
| Chipset |
Qualcomm SDM660 Snapdragon 660 (14 nm) |
Qualcomm SM8150 Snapdragon 855 (7 nm) |
| CPU |
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) |
| GPU |
Adreno 512 |
Adreno 640 |
| OS |
Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo), Funtouch 3.2 |
Android 9.0 (Pie), upgradable to Android 10, MIUI 12 |
| Selfie camera |
| Features |
- |
HDR |
| Single |
12 MP, f/2.0, (wide), 1/2.8", 1.28µm |
Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm |
| Video |
|
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
| |
32-bit/192kHz audio |
24-bit/192kHz Hi-Res audio |
