Screen size
W10 AlphaWinner: 5.7"+7.2%
X4+5.3"
Quick verdict
W10 Alpha leads the measured specs 8-4.
Measured wins
W10 Alpha
8
spec wins
Overall winner
Ties
5
equal specs
X4+
4
spec wins
Screen size
Technology
W10 Alpha
GSM / HSPA / LTE
X4+
GSM / HSPA / LTE
2G bands
W10 Alpha
GSM 850 / 900 / 1800 / 1900
X4+
GSM 850 / 900 / 1800 / 1900
3G bands
W10 Alpha
HSDPA 850 / 900 / 2100
X4+
HSDPA 850 / 900 / 1900 / 2100
4G bands
W10 Alpha
1, 3, 5, 8, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
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
equal specsStereo speakers
X4+
1, 3, 5, 7, 8, 28, 38
Speed
W10 Alpha
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/150 Mbps
X4+
HSPA, LTE
Announced
W10 Alpha
2020, February 19. Released 2020, February 19
X4+
2018, January. Released 2018, February
Status
W10 Alpha
Discontinued
X4+
Discontinued
Dimensions
W10 Alpha
147.3 x 71 x 8.9 mm (5.80 x 2.80 x 0.35 in)
X4+
148.6 x 75.1 x 8.6 mm (5.85 x 2.96 x 0.34 in)
Weight
W10 Alpha
170 g (6.00 oz)
X4+
172.3 g (6.07 oz)
SIM
W10 Alpha
Nano-SIM + Nano-SIM
X4+
Nano-SIM + Nano-SIM
Other
W10 Alpha
-
X4+
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
W10 Alpha
IPS LCD
X4+
IPS LCD
Size
W10 Alpha
5.71 inches, 81.7 cm2 (~78.1% screen-to-body ratio)
X4+
5.3 inches, 77.4 cm2 (~69.4% screen-to-body ratio)
Resolution
W10 Alpha
720 x 1512 pixels, 19:9 ratio (~293 ppi density)
X4+
720 x 1280 pixels, 16:9 ratio (~277 ppi density)
OS
W10 Alpha
Android 9.0 (Pie)
X4+
Android 7.0 (Nougat)
Chipset
W10 Alpha
Unisoc SC9863A (28 nm)
X4+
Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU
W10 Alpha
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
X4+
Quad-core 1.4 GHz Cortex-A53
GPU
W10 Alpha
IMG8322
X4+
Adreno 308
Card slot
W10 Alpha
microSDXC (dedicated slot)
X4+
microSDXC
Internal
W10 Alpha
32GB 3GB RAM
X4+
32GB 2GB RAM
Other
W10 Alpha
eMMC 5.1
X4+
eMMC 5.1
Single
W10 Alpha
8 MP, AF
X4+
13 MP, f/2.2, 1/3.1", 1.12µm, AF
Features
W10 Alpha
LED flash, panorama, HDR
X4+
LED flash, HDR
Video
W10 Alpha
1080p@30fps
X4+
1080p@30fps
Single
W10 Alpha
8 MP
X4+
5 MP, f/2.4, 1/5.0", 1.12µm
Video
W10 Alpha
720p@30fps
X4+
1080p@30fps
Loudspeaker
W10 Alpha
Yes
X4+
Yes
3.5mm jack
W10 Alpha
Yes
X4+
Yes
Other
W10 Alpha
-
X4+
32-bit/192kHz Hi-Res audio
WLAN
W10 Alpha
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
X4+
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct
Bluetooth
W10 Alpha
4.1, A2DP, LE
X4+
4.2, A2DP, LE
Positioning
W10 Alpha
GPS
X4+
GPS
NFC
W10 Alpha
No
X4+
Yes
Radio
W10 Alpha
FM radio
X4+
FM radio
USB
W10 Alpha
microUSB 2.0, OTG
X4+
microUSB 2.0
Sensors
W10 Alpha
Accelerometer, proximity
X4+
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
W10 Alpha
Li-Po 3450 mAh
X4+
Li-Ion 3000 mAh, non-removable
Colors
W10 Alpha
Black, Blue
X4+
Lavender Violet, Moroccan Blue
Models
W10 Alpha
LMX210, LMX210LMW, LM-X210LMW
X4+
LM-X415L, LM-X410L, LM-X415S
Price
W10 Alpha
About 130 EUR
X4+
About 200 EUR