| Product |
Vivo Y20a
|
Apple iPhone 4s
|
| Battery |
| Charging |
10W wired |
- |
| Stand-by |
- |
Up to 200 h (3G) |
| Talk time |
- |
Up to 8 h (3G) |
| Type |
5000 mAh |
Li-Po 1432 mAh, non-removable (5.3 Wh) |
| Body |
| Build |
Glass front, plastic back, plastic frame |
Glass front (Corning-made glass), glass back, stainless steel frame |
| Dimensions |
164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in) |
115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in) |
| SIM |
Nano-SIM + Nano-SIM |
Micro-SIM |
| Weight |
192 g (6.77 oz) |
140 g (4.94 oz) |
| |
- |
Scratch-resistant glass back panel |
| Comms |
| Bluetooth |
4.2, A2DP, LE |
4.0, A2DP, LE |
| NFC |
No |
- |
| Positioning |
GPS, GLONASS, GALILEO, BDS |
GPS, A-GPS, GLONASS |
| Radio |
FM radio |
No |
| USB |
microUSB 2.0, OTG |
2.0 |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
Wi-Fi 802.11 b/g/n, hotspot |
| Display |
| Protection |
- |
Corning Gorilla Glass, oleophobic coating |
| Resolution |
720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
640 x 960 pixels, 3:2 ratio (~330 ppi density) |
| Size |
6.51 inches, 102.3 cm2 (~81.6% screen-to-body ratio) |
3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio) |
| Type |
IPS LCD |
IPS LCD |
| Features |
| Sensors |
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
Accelerometer, gyro, proximity, compass |
| Launch |
| Announced |
2020, December 30 |
2011, October 04. Released 2011, October 14 |
| Status |
Available. Released 2021, January 02 |
Discontinued |
| Main Camera |
| Features |
LED flash, HDR |
LED flash, panorama, HDR |
| Single |
- |
8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF |
| Triple |
13 MP, f/1.8, (wide), PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth) |
- |
| Video |
1080p@30fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
No |
| Internal |
64GB 3GB RAM |
8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM |
| |
eMMC 5.1 |
- |
| Misc |
| Colors |
Dawn White, Nebula Blue |
Black, White |
| Models |
V2052, V2054, V2070, V2101, V2034 |
A1431, A1387, iPhone4,1 |
| SAR |
- |
1.18 W/kg (head) 0.98 W/kg (body) |
| SAR EU |
- |
0.99 W/kg (head) 0.99 W/kg (body) |
| 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, 38, 40, 41 |
- |
| Speed |
HSPA, LTE |
HSPA 14.4/5.76 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / CDMA / HSPA / EVDO |
| |
- |
CDMA2000 1xEV-DO |
| Platform |
| Chipset |
Qualcomm SDM439 Snapdragon 439 (12 nm) |
Apple A5 (45 nm) |
| CPU |
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53) |
Dual-core 1.0 GHz Cortex-A9 |
| GPU |
Adreno 505 |
PowerVR SGX543MP2 |
| OS |
Android 10, Funtouch 11 |
iOS 5, upgradable to iOS 9.3.6 |
| Selfie camera |
| Single |
8 MP, f/1.8, (wide) |
VGA, videocalling over Wi-Fi and 3G |
| Video |
1080p@30fps |
480p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
| Tests |
| Audio quality |
- |
Noise -91.2dB / Crosstalk -93.0dB |
| Battery (old) |
- |
Endurance rating 45h |
| Camera |
- |
Photo / Video |
| Display |
- |
Contrast ratio: 1261:1 (nominal) / 2.269:1 (sunlight) |
| Loudspeaker |
- |
Voice 65dB / Noise 64dB / Ring 74dB |
