Screen size
equal specsV3 Viper5.5"
X1 Xtreme5.5"
Quick verdict
V3 Viper leads the measured specs 6-5.
Measured wins
V3 Viper
6
spec wins
Overall winner
Ties
6
equal specs
X1 Xtreme
5
spec wins
Screen size
equal specsTechnology
V3 Viper
GSM / HSPA / LTE
X1 Xtreme
GSM / HSPA
2G bands
V3 Viper
GSM 850 / 900 / 1800 / 1900
X1 Xtreme
GSM 900 / 1800 / 1900
3G bands
V3 Viper
HSDPA 850 / 900 / 1900 / 2100
X1 Xtreme
HSDPA 900 / 2100
4G bands
V3 Viper
1, 3, 5, 8, 20, 38, 39, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
X1 Xtreme
-
Speed
V3 Viper
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
X1 Xtreme
HSPA
Announced
V3 Viper
2018, January. Released 2018, February
X1 Xtreme
2014, February. Released 2014, February
Status
V3 Viper
Discontinued
X1 Xtreme
Discontinued
Dimensions
V3 Viper
148.3 x 71.8 x 8.1 mm (5.84 x 2.83 x 0.32 in)
X1 Xtreme
150.6 x 75 x 9.7 mm (5.93 x 2.95 x 0.38 in)
Weight
V3 Viper
143.6 g (5.08 oz)
X1 Xtreme
150.5 g (5.29 oz)
SIM
V3 Viper
Nano-SIM + Micro-SIM
X1 Xtreme
Micro-SIM
Type
V3 Viper
IPS LCD
X1 Xtreme
IPS LCD
Size
V3 Viper
5.5 inches, 78.1 cm2 (~73.3% screen-to-body ratio)
X1 Xtreme
5.5 inches, 83.4 cm2 (~73.8% screen-to-body ratio)
Resolution
V3 Viper
720 x 1440 pixels, 18:9 ratio (~293 ppi density)
X1 Xtreme
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
V3 Viper
Corning Gorilla Glass 3
X1 Xtreme
Corning Gorilla Glass 3
OS
V3 Viper
Android 8.0 (Oreo)
X1 Xtreme
Android 4.2.2 (Jelly Bean)
Chipset
V3 Viper
Mediatek MT6737 (28 nm)
X1 Xtreme
Qualcomm MSM8274 Snapdragon 800 (28 nm)
CPU
V3 Viper
Quad-core 1.3 GHz Cortex-A53
X1 Xtreme
Quad-core 2.15 GHz Krait 400
GPU
V3 Viper
Mali-T720MP2
X1 Xtreme
Adreno 330
Card slot
V3 Viper
microSDXC (uses shared SIM slot)
X1 Xtreme
No
Internal
V3 Viper
32GB 3GB RAM
X1 Xtreme
32GB 3GB RAM
Other
V3 Viper
eMMC 5.0
X1 Xtreme
eMMC 4.5
Single
V3 Viper
13 MP, AF
X1 Xtreme
16 MP, AF
Features
V3 Viper
LED flash, HDR
X1 Xtreme
LED flash, HDR, panorama
Video
V3 Viper
1080p@30fps
X1 Xtreme
1080p@30fps
Single
V3 Viper
13 MP
X1 Xtreme
8 MP
Features
V3 Viper
LED flash
X1 Xtreme
-
Video
V3 Viper
X1 Xtreme
Loudspeaker
V3 Viper
Yes
X1 Xtreme
Yes
3.5mm jack
V3 Viper
Yes
X1 Xtreme
Yes
Other
V3 Viper
-
X1 Xtreme
Yamaha audio amplifier
WLAN
V3 Viper
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
X1 Xtreme
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
V3 Viper
4.2, A2DP, LE
X1 Xtreme
4.0, A2DP, EDR
Positioning
V3 Viper
GPS
X1 Xtreme
GPS, GLONASS
NFC
V3 Viper
No
X1 Xtreme
Yes
Infrared port
V3 Viper
Yes
X1 Xtreme
-
Radio
V3 Viper
FM radio
X1 Xtreme
FM radio
USB
V3 Viper
microUSB 2.0
X1 Xtreme
microUSB 2.0
Sensors
V3 Viper
Fingerprint (rear-mounted), accelerometer, proximity, compass
X1 Xtreme
Accelerometer, proximity, compass
Type
V3 Viper
Li-Po 3000 mAh, non-removable
X1 Xtreme
Li-Po 2500 mAh, non-removable
Stand-by
V3 Viper
-
X1 Xtreme
Up to 250 h
Talk time
V3 Viper
-
X1 Xtreme
Up to 8 h 20 min
Colors
V3 Viper
Black, Silver, Gold
X1 Xtreme
Black
SAR EU
V3 Viper
1.26 W/kg (head)
X1 Xtreme
-
Price
V3 Viper
About 220 EUR
X1 Xtreme
About 470 EUR