Screen size
V4 Viper Pro6.8"
Viva H7SWinner: 7.0"+2.9%
Quick verdict
V4 Viper Pro leads the measured specs 8-2.
Measured wins
V4 Viper Pro
8
spec wins
Overall winner
Ties
8
equal specs
Viva H7S
2
spec wins
Screen size
Technology
V4 Viper Pro
GSM / HSPA / LTE
Viva H7S
GSM / HSPA
2G bands
V4 Viper Pro
GSM 850 / 900 / 1800 / 1900
Viva H7S
GSM 900 / 1800 / 1900
3G bands
V4 Viper Pro
HSDPA 900 / 2100
Viva H7S
HSDPA 900 / 2100
4G bands
V4 Viper Pro
1, 3, 7, 20, 38
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Viva H7S
-
Speed
V4 Viper Pro
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Viva H7S
HSPA 21.1/5.76 Mbps
Announced
V4 Viper Pro
2020, January. Released 2020, January
Viva H7S
2014, June. Released 2014, June
Status
V4 Viper Pro
Discontinued
Viva H7S
Discontinued
Dimensions
V4 Viper Pro
171 x 82 x 8.8 mm (6.73 x 3.23 x 0.35 in)
Viva H7S
191 x 107.3 x 8.8 mm (7.52 x 4.22 x 0.35 in)
Weight
V4 Viper Pro
191.6 g (6.77 oz)
Viva H7S
277.6 g (9.81 oz)
SIM
V4 Viper Pro
Nano-SIM + Nano-SIM
Viva H7S
Mini-SIM
Type
V4 Viper Pro
IPS LCD
Viva H7S
IPS LCD
Size
V4 Viper Pro
6.8 inches, 115.4 cm2 (~82.3% screen-to-body ratio)
Viva H7S
7.0 inches, 142.1 cm2 (~69.3% screen-to-body ratio)
Resolution
V4 Viper Pro
640 x 1352 pixels, 19:9 ratio (~220 ppi density)
Viva H7S
800 x 1280 pixels, 16:10 ratio (~216 ppi density)
OS
V4 Viper Pro
Android 9.0 (Pie)
Viva H7S
Android 4.2.2 (Jelly Bean)
Chipset
V4 Viper Pro
Mediatek MT6739 (28 nm)
Viva H7S
Mediatek MT8382 (28 nm)
CPU
V4 Viper Pro
Quad-core 1.3 GHz Cortex-A53
Viva H7S
Quad-core 1.3 GHz Cortex-A7
GPU
V4 Viper Pro
PowerVR GE8100
Viva H7S
Mali-400MP2
Card slot
V4 Viper Pro
microSDXC (uses shared SIM slot)
Viva H7S
microSDHC (dedicated slot)
Internal
V4 Viper Pro
32GB 2GB RAM
Viva H7S
8GB 1GB RAM
Other
V4 Viper Pro
eMMC 5.1
Viva H7S
-
Dual
V4 Viper Pro
13 MP, AF Auxiliary lens
Viva H7S
-
Features
V4 Viper Pro
LED flash
Viva H7S
LED flash, HDR, panorama
Video
V4 Viper Pro
1080p@30fps
Viva H7S
1080p@30fps
Single
V4 Viper Pro
-
Viva H7S
5 MP, AF
Single
V4 Viper Pro
8 MP
Viva H7S
VGA
Video
V4 Viper Pro
1080p@30fps
Viva H7S
Loudspeaker
V4 Viper Pro
Yes
Viva H7S
Yes
3.5mm jack
V4 Viper Pro
Yes
Viva H7S
Yes
WLAN
V4 Viper Pro
Wi-Fi 802.11 b/g/n
Viva H7S
Wi-Fi 802.11 b/g/n
Bluetooth
V4 Viper Pro
4.0, A2DP
Viva H7S
4.0, EDR
Positioning
V4 Viper Pro
GPS, GLONASS
Viva H7S
GPS
NFC
V4 Viper Pro
No
Viva H7S
No
Radio
V4 Viper Pro
FM radio
Viva H7S
FM radio, RDS
USB
V4 Viper Pro
microUSB 2.0
Viva H7S
microUSB 2.0
Sensors
V4 Viper Pro
Fingerprint (rear-mounted), accelerometer, proximity
Viva H7S
Accelerometer
Type
V4 Viper Pro
Li-Po 3500 mAh
Viva H7S
Li-Po 3000 mAh, non-removable
Charging
V4 Viper Pro
10W wired
Viva H7S
-
Stand-by
V4 Viper Pro
-
Viva H7S
Up to 300 h
Talk time
V4 Viper Pro
-
Viva H7S
Up to 5 h
Colors
V4 Viper Pro
Dark Grey
Viva H7S
Black
SAR EU
V4 Viper Pro
1.20 W/kg (head)
Viva H7S
-
Price
V4 Viper Pro
About 170 EUR
Viva H7S
-