Product
Vivo V21
Vivo V21
Apple iPhone SE
Apple iPhone SE
Battery
Charging 33W wired, 63% in 30 min -
Stand-by - Up to 240 h (3G)
Talk time - Up to 14 h (3G)
Type 4000 mAh Li-Po 1624 mAh, non-removable (6.21 Wh)
Body
Build Glass front, plastic frame, plastic back Glass front (Corning-made glass), aluminum back, aluminum frame
Dimensions 159.7 x 73.9 x 7.3 mm (6.29 x 2.91 x 0.29 in) 123.8 x 58.6 x 7.6 mm (4.87 x 2.31 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 176 g (6.21 oz) 113 g (3.99 oz)
  - Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.1, A2DP, LE 4.2, A2DP, LE
NFC No Yes (Apple Pay only)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS
Radio No No
USB USB Type-C 2.0, OTG Lightning, USB 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, hotspot
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 640 x 1136 pixels, 16:9 ratio (~326 ppi density)
Size 6.44 inches, 100.1 cm2 (~84.8% screen-to-body ratio) 4.0 inches, 44.1 cm2 (~60.8% screen-to-body ratio)
Type AMOLED, 90Hz, HDR10+, 500 nits (typ) IPS LCD
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2021, April 27 2016, March 21. Released 2016, March 31
Status Available. Released 2021, May 05 Discontinued
Main Camera
Features LED flash, HDR, panorama Dual-LED dual-tone flash, HDR
Single - 12 MP, f/2.2, 29mm (standard), 1/3.0", 1.22µm, PDAF
Triple 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 4K@30fps (no OIS), 1080p@30/60fps 4K@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 128GB 8GB RAM, 256GB 8GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM, 128GB 2GB RAM
  UFS 2.2 NVMe
Misc
Colors Dusk Blue, Sunset Dazzle Space Gray, Silver, Gold, Rose Gold
Models V2066, V2108 A1662, A1723, A1724, iPhone8,4
SAR - 1.17 W/kg (head)     1.19 W/kg (body)    
SAR EU - 0.72 W/kg (head)     0.97 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - A1662, A1723
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - A1662, A1723
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 39, 40, 41 1, 2, 3, 4, 5, 8, 12, 13, 17, 18, 19, 20, 25, 26, 29 - A1662
Speed HSPA, LTE HSPA, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  - 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41 - A1723
Our Tests
Battery (old) Endurance rating 123h -
Display Contrast ratio: Infinite (nominal) -
Loudspeaker -28.2 LUFS (Average) -
Performance AnTuTu: 336699 (v8), 365055 (v9) GeekBench: 6516 (v4.4), 1600 (v5.1) GFXBench: 17fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek Dimensity 800U (7 nm) Apple A9 (14 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Dual-core 1.84 GHz Twister
GPU Mali-G57 MC3 PowerVR GT7600 (six-core graphics)
OS Android 11, Funtouch 11.1 iOS 9.3.2, upgradable to iOS 15.8.4
Selfie camera
Features Dual-LED flash, HDR Face detection, HDR, panorama
Single 44 MP, f/2.0, (wide), AF, OIS 1.2 MP, f/2.4, 31mm (standard)
Video 4K@30fps (no OIS), 1080p@30fps 720p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes Yes
  - 16-bit/44.1kHz audio
Tests
Audio quality - Noise -93.0dB / Crosstalk -72.9dB
Battery (old) - Endurance rating 73h
Camera - Photo / Video
Display - Contrast ratio: 804:1 (nominal), 3.681 (sunlight)
Loudspeaker - Voice 66dB / Noise 65dB / Ring 69dB
Performance - Basemark OS II 2.0: 2163