Screen size
Soul X6 Xtreme6.4"
V4 Viper ProWinner: 6.8"+6%
Quick verdict
Soul X6 Xtreme leads the measured specs 9-3.
Measured wins
Soul X6 Xtreme
9
spec wins
Overall winner
Ties
6
equal specs
V4 Viper Pro
3
spec wins
Screen size
Technology
Soul X6 Xtreme
GSM / HSPA / LTE
V4 Viper Pro
GSM / HSPA / LTE
2G bands
Soul X6 Xtreme
GSM 850 / 900 / 1800 / 1900
V4 Viper Pro
GSM 850 / 900 / 1800 / 1900
3G bands
Soul X6 Xtreme
HSDPA 900 / 2100
V4 Viper Pro
HSDPA 900 / 2100
4G bands
Soul X6 Xtreme
1, 3, 5, 7, 8, 20, 38
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
V4 Viper Pro
1, 3, 7, 20, 38
Speed
Soul X6 Xtreme
HSPA 21.1/5.76 Mbps, LTE (2CA) Cat7 300/150 Mbps
V4 Viper Pro
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Soul X6 Xtreme
2019, April. Released 2019, April
V4 Viper Pro
2020, January. Released 2020, January
Status
Soul X6 Xtreme
Discontinued
V4 Viper Pro
Discontinued
Dimensions
Soul X6 Xtreme
157 x 74.3 x 8.9 mm (6.18 x 2.93 x 0.35 in)
V4 Viper Pro
171 x 82 x 8.8 mm (6.73 x 3.23 x 0.35 in)
Weight
Soul X6 Xtreme
176.6 g (6.24 oz)
V4 Viper Pro
191.6 g (6.77 oz)
SIM
Soul X6 Xtreme
Nano-SIM + Nano-SIM
V4 Viper Pro
Nano-SIM + Nano-SIM
Type
Soul X6 Xtreme
AMOLED
V4 Viper Pro
IPS LCD
Size
Soul X6 Xtreme
6.39 inches, 100.2 cm2 (~85.9% screen-to-body ratio)
V4 Viper Pro
6.8 inches, 115.4 cm2 (~82.3% screen-to-body ratio)
Resolution
Soul X6 Xtreme
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
V4 Viper Pro
640 x 1352 pixels, 19:9 ratio (~220 ppi density)
Protection
Soul X6 Xtreme
Corning Gorilla Glass 5
V4 Viper Pro
-
OS
Soul X6 Xtreme
Android 9.0 (Pie)
V4 Viper Pro
Android 9.0 (Pie)
Chipset
Soul X6 Xtreme
Mediatek MT6771 Helio P70 (12 nm)
V4 Viper Pro
Mediatek MT6739 (28 nm)
CPU
Soul X6 Xtreme
Octa-core (4x2.1 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
V4 Viper Pro
Quad-core 1.3 GHz Cortex-A53
GPU
Soul X6 Xtreme
Mali-G72 MP3
V4 Viper Pro
PowerVR GE8100
Card slot
Soul X6 Xtreme
microSDXC (uses shared SIM slot)
V4 Viper Pro
microSDXC (uses shared SIM slot)
Internal
Soul X6 Xtreme
64GB 4GB RAM
V4 Viper Pro
32GB 2GB RAM
Other
Soul X6 Xtreme
eMMC 5.1
V4 Viper Pro
eMMC 5.1
Dual
Soul X6 Xtreme
16 MP, f/1.8, PDAF Auxiliary lens
V4 Viper Pro
13 MP, AF Auxiliary lens
Features
Soul X6 Xtreme
LED flash, HDR, panorama
V4 Viper Pro
LED flash
Video
Soul X6 Xtreme
1080p@30fps
V4 Viper Pro
1080p@30fps
Single
Soul X6 Xtreme
Motorized pop-up 8 MP
V4 Viper Pro
8 MP
Video
Soul X6 Xtreme
V4 Viper Pro
1080p@30fps
Loudspeaker
Soul X6 Xtreme
Yes
V4 Viper Pro
Yes
3.5mm jack
Soul X6 Xtreme
Yes
V4 Viper Pro
Yes
WLAN
Soul X6 Xtreme
Wi-Fi 802.11 b/g/n/ac, Wi-Fi Direct
V4 Viper Pro
Wi-Fi 802.11 b/g/n
Bluetooth
Soul X6 Xtreme
4.2, A2DP, LE
V4 Viper Pro
4.0, A2DP
Positioning
Soul X6 Xtreme
GPS, GLONASS
V4 Viper Pro
GPS, GLONASS
NFC
Soul X6 Xtreme
No
V4 Viper Pro
No
Radio
Soul X6 Xtreme
FM radio
V4 Viper Pro
FM radio
USB
Soul X6 Xtreme
USB Type-C 2.0
V4 Viper Pro
microUSB 2.0
Sensors
Soul X6 Xtreme
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
V4 Viper Pro
Fingerprint (rear-mounted), accelerometer, proximity
Type
Soul X6 Xtreme
Li-Po 3450 mAh, non-removable
V4 Viper Pro
Li-Po 3500 mAh
Charging
Soul X6 Xtreme
18W wired, 20% in 15 min Wireless
V4 Viper Pro
10W wired
Colors
Soul X6 Xtreme
Urban Violet
V4 Viper Pro
Dark Grey
SAR EU
Soul X6 Xtreme
0.97 W/kg (head)
V4 Viper Pro
1.20 W/kg (head)
Price
Soul X6 Xtreme
About 360 EUR
V4 Viper Pro
About 170 EUR