| Product |
Vivo X21
|
Vivo S1 (China)
|
| Battery |
| Charging |
18W wired |
18W wired |
| Type |
Li-Ion 3200 mAh, non-removable |
3940 mAh, non-removable |
| Body |
| Build |
Glass front (Gorilla Glass 3), aluminum back, aluminum frame |
- |
| Dimensions |
154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in) |
162 x 76 x 8.5 mm (6.38 x 2.99 x 0.33 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + Nano-SIM |
| Weight |
156.2 g (5.50 oz) |
189.5 g (6.70 oz) |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
5.0, A2DP, LE |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS |
GPS, GLONASS, BDS |
| Radio |
FM radio |
FM radio |
| USB |
microUSB 2.0, OTG |
microUSB 2.0 |
| 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 3 |
- |
| Resolution |
1080 x 2280 pixels, 19:9 ratio (~402 ppi density) |
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
| Size |
6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio) |
6.53 inches, 104.7 cm2 (~85.0% screen-to-body ratio) |
| Type |
Super AMOLED |
IPS LCD |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, proximity, compass |
Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Launch |
| Announced |
2018, March. Released 2018, March |
2019, March. Released 2019, April |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Dual |
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF
5 MP, f/2.4, (depth) |
- |
| Features |
LED flash, HDR, panorama |
LED flash, HDR, panorama |
| Triple |
- |
12 MP, f/1.8, 13mm (ultrawide), PDAF
8 MP, f/2.2, (wide)
5 MP, f/2.4, (depth) |
| Video |
1080p@30fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC (uses shared SIM slot) |
microSDXC |
| Internal |
64GB 6GB RAM, 128GB 6GB RAM |
128GB 4GB RAM, 128GB 6GB RAM |
| |
eMMC 5.1 |
eMMC 5.1 |
| Misc |
| Colors |
Black, Aurora White, Ruby Red |
Blue, Pink, Ice black |
| Models |
1725, X21A |
V1831A, V1831T |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 1900 / 2100 |
HSDPA 850 / 900 / 2100 |
| 4G bands |
1, 2, 3, 5, 8, 34, 38, 39, 40, 41 |
1, 3, 5, 8, 34, 38, 39, 40, 41 |
| Speed |
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps |
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat7 300/50 Mbps |
| Technology |
GSM / CDMA / HSPA / LTE |
GSM / CDMA / HSPA / LTE |
| |
CDMA 800 & TD-SCDMA |
CDMA 800 & TD-SCDMA |
| Platform |
| Chipset |
Qualcomm SDM660 Snapdragon 660 (14 nm) |
Mediatek MT6771 Helio P70 (12 nm) |
| CPU |
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) |
| GPU |
Adreno 512 |
Mali-G72 MP3 |
| OS |
Android 8.1 (Oreo), Funtouch 4 |
Android 9.0 (Pie), Funtouch 9 |
| Selfie camera |
| Features |
- |
HDR |
| Single |
12 MP, f/2.0, (wide), 1/2.8", 1.28µm |
Motorized pop-up 25 MP, f/2.0 |
| Video |
1080p@30fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
| |
32-bit/192kHz Hi-Res audio |
- |
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