Product
Vivo iQOO Z8 (China)
Vivo iQOO Z8 (China)
Apple iPhone 6s
Apple iPhone 6s
Battery
Charging 120W wired -
Stand-by - Up to 240 h (3G)
Talk time - Up to 14 h (3G)
Type 5000 mAh Li-Ion 1715 mAh, non-removable (6.91 Wh)
Body
Build - Glass front (Corning-made glass), aluminum back, aluminum frame
Dimensions 164.6 x 75.8 x 8.8 mm (6.48 x 2.98 x 0.35 in) 138.3 x 67.1 x 7.1 mm (5.44 x 2.64 x 0.28 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 200 g (7.05 oz) 143 g (5.04 oz)
  - Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.3, A2DP, LE, aptX HD 4.2, A2DP, LE
NFC Yes Yes (Apple Pay only)
Positioning GPS (L1), GLONASS (G1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1) GPS, GLONASS, GALILEO, QZSS
Radio No No
USB USB Type-C 2.0, OTG Lightning, USB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
Display
Protection - Ion-strengthened glass, oleophobic coating
Resolution 1080 x 2388 pixels (~395 ppi density) 750 x 1334 pixels, 16:9 ratio (~326 ppi density)
Size 6.64 inches, 106.8 cm2 (~85.6% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~65.6% screen-to-body ratio)
Type IPS LCD, 120Hz IPS LCD, 500 nits
  - 3D Touch
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2023, August 31 2015, September 09. Released 2015, September 25
Status Available. Released 2023, September Discontinued
Main Camera
Dual 64 MP, f/1.8, (wide), 1/2.0", 0.7µm, PDAF, OIS 2 MP, f/2.4, (depth) -
Features Dual-LED dual-tone flash, HDR, panorama Dual-LED dual-tone flash, HDR
Single - 12 MP, f/2.2, 29mm (standard), 1/3.0", 1.22µm, PDAF
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@60fps,1080p@120fps, 720p@240fps
Memory
Card slot No No
Internal 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM, 128GB 2GB RAM
  UFS 3.1 -
Misc
Colors Black, Blue, Silver Space Gray, Silver, Gold, Rose Gold
Models V2314A A1633, A1688, A1691, A1700, iPhone8,1
SAR - 1.14 W/kg (head)     1.14 W/kg (body)    
SAR EU - 0.87 W/kg (head)     0.98 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 / 1700 / 1900 / 2100
4G bands 1, 3, 5, 8, 28, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29 - A1688
5G bands 1, 5, 8, 28, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / CDMA / HSPA / EVDO / LTE
  CDMA2000 1x 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41 - A1687
Platform
Chipset Mediatek Dimensity 8200 (4 nm) Apple A9 (14/16 nm - maker dependant)
CPU Octa-core (1x3.1 GHz Cortex-A78 & 3x3.0 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Dual-core 1.84 GHz Twister
GPU Mali-G610 MC6 PowerVR GT7600 (six-core graphics)
OS Android 13, OriginOS 3 iOS 9, upgradable to iOS 15.8.4
Selfie camera
Features - Face detection, HDR, panorama
Single 16 MP, f/2.5, (wide) 5 MP, f/2.2, 31mm (standard)
Video 1080p@30fps 720p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  - 16-bit/44.1kHz audio
Tests
Audio quality - Noise -93.8dB / Crosstalk -73.2dB
Battery (old) - Endurance rating 62h
Camera - Photo / Video
Display - Contrast ratio: 1481 (nominal), 3.783 (sunlight)
Loudspeaker - Voice 66dB / Noise 64dB / Ring 65dB
Performance - Basemark OS II 2.0: 2195