Product
Vivo V20 SE
Vivo V20 SE
Apple iPhone 4s
Apple iPhone 4s
Battery
Charging 33W wired, 62% in 30 min -
Stand-by - Up to 200 h (3G)
Talk time - Up to 8 h (3G)
Type 4100 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 161 x 74.1 x 7.8 mm (6.34 x 2.92 x 0.31 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 171 g (6.03 oz) 140 g (4.94 oz)
  - Scratch-resistant glass back panel
Comms
Bluetooth 5.0, A2DP, LE 4.0, A2DP, LE
NFC Yes (market/region dependent) -
Positioning GPS, GLONASS, GALILEO, BDS GPS, A-GPS, GLONASS
Radio FM radio No
USB USB Type-C 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 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.44 inches, 100.1 cm2 (~83.9% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type AMOLED IPS LCD
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2020, September 24 2011, October 04. Released 2011, October 14
Status Available. Released 2020, October 13 Discontinued
Main Camera
Features Dual-LED dual-tone flash, HDR, panorama LED flash, panorama, HDR
Single - 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Triple 48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 16mm (ultrawide), 1/4.0", 1.12µm, AF 2 MP, f/2.4, (depth) -
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 128GB 8GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
Misc
Colors Gravity Black, Oxygen Blue Black, White
Models V2022, V2023 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, 7, 8, 38, 39, 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 SDM665 Snapdragon 665 (11 nm) Apple A5 (45 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Dual-core 1.0 GHz Cortex-A9
GPU Adreno 610 PowerVR SGX543MP2
OS Android 10, Funtouch 11 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Features HDR -
Single 32 MP, f/2.0, (wide), 1/2.8", 0.8µm 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