Product
Vivo iQOO Z7
Vivo iQOO Z7
Apple iPhone 4s
Apple iPhone 4s
Battery
Charging 44W wired, 50% in 25 min -
Stand-by - Up to 200 h (3G)
Talk time - Up to 8 h (3G)
Type 4500 mAh Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build - Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 158.9 x 73.5 x 7.8 mm (6.26 x 2.89 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 173 g (6.10 oz) 140 g (4.94 oz)
  IP54 dust protected and water resistant (water splashes) Scratch-resistant glass back panel
Comms
Bluetooth 5.2, A2DP, LE 4.0, A2DP, LE
NFC No -
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, A-GPS, GLONASS
Radio Unspecified No
USB USB Type-C 2.0, OTG 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n, hotspot
Display
Protection Schott Xensation glass Corning Gorilla Glass, oleophobic coating
Resolution 1080 x 2400 pixels, 20:9 ratio (~413 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.38 inches, 98.3 cm2 (~84.1% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type AMOLED, 90Hz, HDR10+, 1300 nits (peak) IPS LCD
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2023, March 17 2011, October 04. Released 2011, October 14
Status Available. Released 2023, March 21 Discontinued
Main Camera
Dual 64 MP, (wide), 1/1.97", 0.7µm, PDAF, OIS 2 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama LED flash, panorama, HDR
Single - 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Video 4K@30fps, 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 128GB 6GB RAM, 128GB 8GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  UFS 2.2 -
Misc
Colors Norway Blue, Pacific Night Black, White
Models I2207 A1431, A1387, iPhone4,1
SAR 1.15 W/kg (head)     0.84 W/kg (body)     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 -
5G bands 1, 3, 8, 28, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA 14.4/5.76 Mbps
Technology GSM / HSPA / LTE / 5G GSM / CDMA / HSPA / EVDO
  - CDMA2000 1xEV-DO
Platform
Chipset Mediatek Dimensity 920 (6 nm) Apple A5 (45 nm)
CPU Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Dual-core 1.0 GHz Cortex-A9
GPU Mali-G68 MC4 PowerVR SGX543MP2
OS Android 13, upgradable to Android 14, Funtouch 14 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Single 16 MP, f/2.0, (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