Screen size
Q31Winner: 5.7"+8.8%
X cam5.2"
Quick verdict
Q31 and X cam are close on the measured specs.
Measured wins
Q31
6
spec wins
Ties
5
equal specs
X cam
6
spec wins
Screen size
Technology
Q31
GSM / HSPA / LTE
X cam
GSM / HSPA / LTE
2G bands
Q31
GSM 850 / 900 / 1800 / 1900
X cam
GSM 850 / 900 / 1800 / 1900
3G bands
Q31
HSDPA 850 / 900 / 1900 / 2100
X cam
HSDPA 850 / 900 / 1900 / 2100
4G bands
Q31
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront 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
X cam
1, 3, 7, 8, 20
Speed
Q31
HSPA, LTE
X cam
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Q31
2020, September 17. Released 2020, September 25
X cam
2016, February. Released 2016, June
Status
Q31
Discontinued
X cam
Discontinued
Dimensions
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
X cam
147.5 x 73.6 x 6.9 mm (5.81 x 2.90 x 0.27 in)
Weight
Q31
145 g (5.11 oz)
X cam
118 g (4.16 oz)
SIM
Q31
Nano-SIM
X cam
Nano-SIM + Nano-SIM
Other
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
X cam
-
Type
Q31
IPS LCD
X cam
IPS LCD
Size
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
X cam
5.2 inches, 74.5 cm2 (~68.7% screen-to-body ratio)
Resolution
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
X cam
1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
OS
Q31
Android 10
X cam
Android 6.0 (Marshmallow)
Chipset
Q31
Mediatek MT6762 Helio P22 (12 nm)
X cam
Mediatek MT6753 (28 nm)
CPU
Q31
Octa-core 2.0 GHz Cortex-A53
X cam
Octa-core 1.14 GHz Cortex-A53
GPU
Q31
PowerVR GE8320
X cam
Mali-T720MP3
Card slot
Q31
microSDXC
X cam
microSDXC (uses shared SIM slot)
Internal
Q31
32GB 3GB RAM
X cam
16GB 2GB RAM
Other
Q31
eMMC 5.1
X cam
-
Dual
Q31
13 MP, f/1.8, 27mm (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.2, 120˚ (ultrawide), 1/5.0", 1.12µm
X cam
13 MP, f/2.0, AF Auxiliary lens
Features
Q31
LED flash, panorama, HDR
X cam
LED flash, panorama
Video
Q31
1080p@30fps
X cam
1080p@30fps
Single
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
X cam
8 MP
Video
Q31
1080p@30fps
X cam
Loudspeaker
Q31
Yes
X cam
Yes
3.5mm jack
Q31
Yes
X cam
Yes
WLAN
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
X cam
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA
Bluetooth
Q31
5.0, A2DP, LE
X cam
4.2, A2DP, LE
Positioning
Q31
GPS
X cam
GPS, GLONASS
NFC
Q31
No
X cam
Yes
Radio
Q31
No
X cam
FM radio
USB
Q31
microUSB 2.0
X cam
microUSB 2.0
Sensors
Q31
Accelerometer
X cam
Accelerometer, gyro, proximity, compass
Type
Q31
Li-Ion 3000 mAh
X cam
Li-Ion 2520 mAh, non-removable
Stand-by
Q31
-
X cam
Up to 260 h (2G) / Up to 260 h (3G)
Talk time
Q31
-
X cam
Up to 6 h (2G) / Up to 7 h (3G)
Colors
Q31
Silver
X cam
Titan Silver, White, Gold, Pink Gold
Models
Q31
LM-Q310N
X cam
K580, F690L
Price
Q31
About 150 EUR
X cam
About 210 EUR
SAR EU
Q31
-
X cam
0.56 W/kg (head)