Screen size
V4 Viper Pro6.8"
Wi7Winner: 7.0"+2.9%
Quick verdict
V4 Viper Pro leads the measured specs 10-2.
Measured wins
V4 Viper Pro
10
spec wins
Overall winner
Ties
6
equal specs
Wi7
2
spec wins
Screen size
Technology
V4 Viper Pro
GSM / HSPA / LTE
Wi7
No cellular connectivity
2G bands
V4 Viper Pro
GSM 850 / 900 / 1800 / 1900
Wi7
N/A
3G bands
V4 Viper Pro
HSDPA 900 / 2100
Wi7
-
4G bands
V4 Viper Pro
1, 3, 7, 20, 38
Wi7
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
-
Speed
V4 Viper Pro
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Wi7
-
GPRS
V4 Viper Pro
-
Wi7
No
EDGE
V4 Viper Pro
-
Wi7
No
Announced
V4 Viper Pro
2020, January. Released 2020, January
Wi7
2014, November. Released 2014, November
Status
V4 Viper Pro
Discontinued
Wi7
Discontinued
Dimensions
V4 Viper Pro
171 x 82 x 8.8 mm (6.73 x 3.23 x 0.35 in)
Wi7
194 x 107 x 9.7 mm (7.64 x 4.21 x 0.38 in)
Weight
V4 Viper Pro
191.6 g (6.77 oz)
Wi7
283.7 g (10.02 oz)
SIM
V4 Viper Pro
Nano-SIM + Nano-SIM
Wi7
No
Type
V4 Viper Pro
IPS LCD
Wi7
TFT
Size
V4 Viper Pro
6.8 inches, 115.4 cm2 (~82.3% screen-to-body ratio)
Wi7
7.0 inches, 137.9 cm2 (~66.4% screen-to-body ratio)
Resolution
V4 Viper Pro
640 x 1352 pixels, 19:9 ratio (~220 ppi density)
Wi7
600 x 1024 pixels, 16:9 ratio (~170 ppi density)
OS
V4 Viper Pro
Android 9.0 (Pie)
Wi7
Microsoft Windows Phone 8.1
Chipset
V4 Viper Pro
Mediatek MT6739 (28 nm)
Wi7
Intel Atom Z3735G
CPU
V4 Viper Pro
Quad-core 1.3 GHz Cortex-A53
Wi7
Quad-core 1.33 GHz
GPU
V4 Viper Pro
PowerVR GE8100
Wi7
-
Card slot
V4 Viper Pro
microSDXC (uses shared SIM slot)
Wi7
microSDHC (dedicated slot)
Internal
V4 Viper Pro
32GB 2GB RAM
Wi7
16GB 1GB RAM
Other
V4 Viper Pro
eMMC 5.1
Wi7
-
Dual
V4 Viper Pro
13 MP, AF Auxiliary lens
Wi7
-
Features
V4 Viper Pro
LED flash
Wi7
-
Video
V4 Viper Pro
1080p@30fps
Wi7
Yes
Single
V4 Viper Pro
-
Wi7
2 MP
Single
V4 Viper Pro
8 MP
Wi7
VGA
Video
V4 Viper Pro
1080p@30fps
Wi7
Loudspeaker
V4 Viper Pro
Yes
Wi7
Yes
3.5mm jack
V4 Viper Pro
Yes
Wi7
Yes
WLAN
V4 Viper Pro
Wi-Fi 802.11 b/g/n
Wi7
Wi-Fi 802.11 b/g/n
Bluetooth
V4 Viper Pro
4.0, A2DP
Wi7
4.0, A2DP
Positioning
V4 Viper Pro
GPS, GLONASS
Wi7
No
NFC
V4 Viper Pro
No
Wi7
No
Radio
V4 Viper Pro
FM radio
Wi7
No
USB
V4 Viper Pro
microUSB 2.0
Wi7
microUSB 2.0
Sensors
V4 Viper Pro
Fingerprint (rear-mounted), accelerometer, proximity
Wi7
Accelerometer
Other
V4 Viper Pro
-
Wi7
MP3/WAV/WMA/AAC player MP4/WMV/H.264 player Photo editor Document viewer
Type
V4 Viper Pro
Li-Po 3500 mAh
Wi7
Li-Po 2400 mAh, non-removable
Charging
V4 Viper Pro
10W wired
Wi7
-
Stand-by
V4 Viper Pro
-
Wi7
Up to 150 h
Talk time
V4 Viper Pro
-
Wi7
Up to 3 h
Colors
V4 Viper Pro
Dark Grey
Wi7
Black
SAR EU
V4 Viper Pro
1.20 W/kg (head)
Wi7
-
Price
V4 Viper Pro
About 170 EUR
Wi7
-