Product
Vivo iQOO 7 (India)
Vivo iQOO 7 (India)
Samsung Galaxy A8 (2016)
Samsung Galaxy A8 (2016)
Battery
Charging 66W wired, 100% in 22 min -
Music play - Up to 44 h
Talk time - Up to 22 h (3G)
Type 4400 mAh Li-Ion 3300 mAh, non-removable
Body
Build - Glass front, aluminum back, aluminum frame
Dimensions 163.3 x 76.4 x 8.4 mm (6.43 x 3.01 x 0.33 in) 156.6 x 76.8 x 7.2 mm (6.17 x 3.02 x 0.28 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 196 g (6.91 oz) 182 g (6.42 oz)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD, aptX Adaptive 4.1, A2DP, EDR, LE
NFC Yes Yes
Positioning GPS GPS, GLONASS/ BDS (market dependant)
Radio No FM radio, RDS, recording
USB USB Type-C 2.0, OTG microUSB 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, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~398 ppi density) 1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
Size 6.62 inches, 105.8 cm2 (~84.8% screen-to-body ratio) 5.7 inches, 89.6 cm2 (~74.5% screen-to-body ratio)
Type AMOLED, 120Hz, HDR10+, 1300 nits (peak) Super AMOLED
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, proximity, compass
  - ANT+
Launch
Announced 2021, April 26 2016, September. Released 2016, October
Status Available. Released 2021, May 01 Discontinued
Main Camera
Dual 48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF, OIS 13 MP, f/2.2, 16mm, 120˚ (ultrawide) 2 MP, f/2.4, (depth) -
Features Dual-LED dual-tone flash, HDR, panorama LED flash, panorama, HDR
Single - 16 MP, f/1.9, AF
Video 4K@30fps, 1080p@30fps 1080p@30fps
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 32GB 3GB RAM
  - eMMC 5.1
Misc
Colors Solid Ice, Storm Black, Monster Orange Blue, Pink, Silver, Gold
Models - SM-A8100, SM-A810F, SM-A810F, SM-A810YZ, SM-A810S
SAR EU - 0.13 W/kg (head)     1.17 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 1, 3, 5, 7, 8, 28, 38 - Taiwan
5G bands SA/NSA -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE
  - 1, 3, 5, 7, 8, 20, 40 - UAE
Platform
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Exynos 7420 Octa (14 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
GPU Adreno 650 Mali-T760MP8
OS Android 11, Funtouch 11.1 Android 6.0.1 (Marshmallow)
Selfie camera
Features HDR -
Single 16 MP, f/2.0, (wide) 8 MP, f/1.9
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes, with dual speakers Yes
  24-bit/192kHz Hi-Res audio -