Screen size
K7 (2017)5.0"
Q31Winner: 5.7"+12%
Quick verdict
Q31 leads the measured specs 9-2.
Measured wins
K7 (2017)
2
spec wins
Ties
6
equal specs
Q31
9
spec wins
Overall winner
Screen size
Technology
K7 (2017)
GSM / HSPA / LTE
Q31
GSM / HSPA / LTE
2G bands
K7 (2017)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
K7 (2017)
HSDPA 850 / 900 / 2100
Q31
HSDPA 850 / 900 / 1900 / 2100
4G bands
K7 (2017)
1, 3, 7, 8, 20
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
Q31
LTE
Speed
K7 (2017)
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Q31
HSPA, LTE
Announced
K7 (2017)
2017, April. Released 2017, May
Q31
2020, September 17. Released 2020, September 25
Status
K7 (2017)
Discontinued
Q31
Discontinued
Dimensions
K7 (2017)
145.8 x 74.1 x 8.1 mm (5.74 x 2.92 x 0.32 in)
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Weight
K7 (2017)
143 g (5.04 oz)
Q31
145 g (5.11 oz)
SIM
K7 (2017)
· Nano-SIM· Nano-SIM + Nano-SIM
Q31
Nano-SIM
Other
K7 (2017)
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
K7 (2017)
IPS LCD
Q31
IPS LCD
Size
K7 (2017)
5.0 inches, 68.9 cm2 (~63.8% screen-to-body ratio)
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
K7 (2017)
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
OS
K7 (2017)
Android 6.0.1 (Marshmallow)
Q31
Android 10
Chipset
K7 (2017)
Mediatek MT6737M (28 nm)
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
K7 (2017)
Quad-core 1.1 GHz Cortex-A53
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
K7 (2017)
Mali-T720MP2
Q31
PowerVR GE8320
Card slot
K7 (2017)
microSDHC
Q31
microSDXC
Internal
K7 (2017)
8GB 1GB RAM, 16GB 2GB RAM
Q31
32GB 3GB RAM
Other
K7 (2017)
eMMC 5.0
Q31
eMMC 5.1
Single
K7 (2017)
8 MP, AF
Q31
-
Features
K7 (2017)
LED flash, HDR, panorama
Q31
LED flash, panorama, HDR
Video
K7 (2017)
720p@30fps
Q31
1080p@30fps
Dual
K7 (2017)
-
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
Single
K7 (2017)
5 MP
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
K7 (2017)
Q31
1080p@30fps
Loudspeaker
K7 (2017)
Yes
Q31
Yes
3.5mm jack
K7 (2017)
Yes
Q31
Yes
WLAN
K7 (2017)
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
K7 (2017)
4.2, A2DP, LE
Q31
5.0, A2DP, LE
Positioning
K7 (2017)
GPS, GLONASS
Q31
GPS
NFC
K7 (2017)
No
Q31
No
Radio
K7 (2017)
Stereo FM radio with RDS
Q31
No
USB
K7 (2017)
microUSB 2.0
Q31
microUSB 2.0
Sensors
K7 (2017)
Accelerometer, proximity
Q31
Accelerometer
Type
K7 (2017)
Li-Ion 2500 mAh, removable
Q31
Li-Ion 3000 mAh
Colors
K7 (2017)
Titan, Brown
Q31
Silver
Models
K7 (2017)
X230
Q31
LM-Q310N
Price
K7 (2017)
About 100 EUR
Q31
About 150 EUR