Screen size
equal specsV3 Viper5.5"
X3 Soul Pro5.5"
Quick verdict
X3 Soul Pro leads the measured specs 7-3.
Measured wins
V3 Viper
3
spec wins
Ties
7
equal specs
X3 Soul Pro
7
spec wins
Overall winner
Screen size
equal specsTechnology
V3 Viper
GSM / HSPA / LTE
X3 Soul Pro
GSM / HSPA / LTE
2G bands
V3 Viper
GSM 850 / 900 / 1800 / 1900
X3 Soul Pro
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
V3 Viper
HSDPA 850 / 900 / 1900 / 2100
X3 Soul Pro
HSDPA 900 / 1900 / 2100
4G bands
V3 Viper
1, 3, 5, 8, 20, 38, 39, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
X3 Soul Pro
1, 3, 7, 20, 38, 39, 40, 41
Speed
V3 Viper
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
X3 Soul Pro
HSPA 21.1/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
V3 Viper
2018, January. Released 2018, February
X3 Soul Pro
2016, February. Released 2016, February
Status
V3 Viper
Discontinued
X3 Soul Pro
Discontinued
Dimensions
V3 Viper
148.3 x 71.8 x 8.1 mm (5.84 x 2.83 x 0.32 in)
X3 Soul Pro
154.3 x 74.9 x 7 mm (6.07 x 2.95 x 0.28 in)
Weight
V3 Viper
143.6 g (5.08 oz)
X3 Soul Pro
144 g (5.08 oz)
SIM
V3 Viper
Nano-SIM + Micro-SIM
X3 Soul Pro
Nano-SIM + Micro-SIM
Type
V3 Viper
IPS LCD
X3 Soul Pro
AMOLED
Size
V3 Viper
5.5 inches, 78.1 cm2 (~73.3% screen-to-body ratio)
X3 Soul Pro
5.5 inches, 83.4 cm2 (~72.2% screen-to-body ratio)
Resolution
V3 Viper
720 x 1440 pixels, 18:9 ratio (~293 ppi density)
X3 Soul Pro
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
V3 Viper
Corning Gorilla Glass 3
X3 Soul Pro
Corning Gorilla Glass 3
OS
V3 Viper
Android 8.0 (Oreo)
X3 Soul Pro
Android 6.0 (Marshmallow)
Chipset
V3 Viper
Mediatek MT6737 (28 nm)
X3 Soul Pro
Mediatek MT6755 Helio P10 (28 nm)
CPU
V3 Viper
Quad-core 1.3 GHz Cortex-A53
X3 Soul Pro
Octa-core (4x2.0 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
V3 Viper
Mali-T720MP2
X3 Soul Pro
Mali-T860MP2
Card slot
V3 Viper
microSDXC (uses shared SIM slot)
X3 Soul Pro
microSDXC (uses shared SIM slot)
Internal
V3 Viper
32GB 3GB RAM
X3 Soul Pro
64GB 4GB RAM
Other
V3 Viper
eMMC 5.0
X3 Soul Pro
eMMC 5.1
Single
V3 Viper
13 MP, AF
X3 Soul Pro
16 MP, f/1.8, AF
Features
V3 Viper
LED flash, HDR
X3 Soul Pro
LED flash, panorama, HDR
Video
V3 Viper
1080p@30fps
X3 Soul Pro
1080p@30fps
Single
V3 Viper
13 MP
X3 Soul Pro
8 MP
Features
V3 Viper
LED flash
X3 Soul Pro
-
Video
V3 Viper
X3 Soul Pro
Loudspeaker
V3 Viper
Yes
X3 Soul Pro
Yes
3.5mm jack
V3 Viper
Yes
X3 Soul Pro
Yes
WLAN
V3 Viper
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
X3 Soul Pro
Wi-Fi 802.11 b/g/n
Bluetooth
V3 Viper
4.2, A2DP, LE
X3 Soul Pro
4.0, A2DP, EDR
Positioning
V3 Viper
GPS
X3 Soul Pro
GPS
NFC
V3 Viper
No
X3 Soul Pro
No
Infrared port
V3 Viper
Yes
X3 Soul Pro
-
Radio
V3 Viper
FM radio
X3 Soul Pro
FM radio
USB
V3 Viper
microUSB 2.0
X3 Soul Pro
USB Type-C 2.0
Sensors
V3 Viper
Fingerprint (rear-mounted), accelerometer, proximity, compass
X3 Soul Pro
Fingerprint (front-mounted), accelerometer, proximity, compass
Type
V3 Viper
Li-Po 3000 mAh, non-removable
X3 Soul Pro
Li-Po 3000 mAh, non-removable
Stand-by
V3 Viper
-
X3 Soul Pro
Up to 300 h (3G)
Talk time
V3 Viper
-
X3 Soul Pro
Up to 15 h 20 min (3G)
Colors
V3 Viper
Black, Silver, Gold
X3 Soul Pro
Gold, Silver
SAR EU
V3 Viper
1.26 W/kg (head)
X3 Soul Pro
0.86 W/kg (head)
Price
V3 Viper
About 220 EUR
X3 Soul Pro
About 450 EUR