Screen size
K8 (2017)5.0"
Q31Winner: 5.7"+12%
Quick verdict
Q31 leads the measured specs 8-3.
Measured wins
K8 (2017)
3
spec wins
Ties
6
equal specs
Q31
8
spec wins
Overall winner
Screen size
Technology
K8 (2017)
GSM / HSPA / LTE
Q31
GSM / HSPA / LTE
2G bands
K8 (2017)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
K8 (2017)
HSDPA 850 / 900 / 2100
Q31
HSDPA 850 / 900 / 1900 / 2100
4G bands
K8 (2017)
1, 3, 7, 8, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Q31
LTE
Speed
K8 (2017)
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Q31
HSPA, LTE
Announced
K8 (2017)
2016, December. Released 2017, April
Q31
2020, September 17. Released 2020, September 25
Status
K8 (2017)
Discontinued
Q31
Discontinued
Dimensions
K8 (2017)
144.5 x 72.1 x 8 mm (5.69 x 2.84 x 0.31 in)
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Weight
K8 (2017)
144 g (5.08 oz)
Q31
145 g (5.11 oz)
Build
K8 (2017)
Glass front (Gorilla Glass 3), plastic back, plastic frame
Q31
-
SIM
K8 (2017)
· Nano-SIM· Nano-SIM + Nano-SIM
Q31
Nano-SIM
Other
K8 (2017)
-
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
K8 (2017)
IPS LCD
Q31
IPS LCD
Size
K8 (2017)
5.0 inches, 69.4 cm2 (~66.6% screen-to-body ratio)
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
K8 (2017)
720 x 1280 pixels, 16:9 ratio (~293 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Protection
K8 (2017)
Corning Gorilla Glass 3
Q31
-
OS
K8 (2017)
Android 7.0 (Nougat)
Q31
Android 10
Chipset
K8 (2017)
Qualcomm MSM8917 Snapdragon 425 (28 nm)Mediatek MT6737 (28 nm)
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
K8 (2017)
Quad-core 1.4 GHz Cortex-A53
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
K8 (2017)
Adreno 308Mali-T720MP2
Q31
PowerVR GE8320
Card slot
K8 (2017)
microSDHC
Q31
microSDXC
Internal
K8 (2017)
16GB 1.5GB RAM
Q31
32GB 3GB RAM
Other
K8 (2017)
eMMC 5.0
Q31
eMMC 5.1
Single
K8 (2017)
13 MP, f/2.2, 1/3.1", 1.12µm, AF
Q31
-
Features
K8 (2017)
LED flash, panorama
Q31
LED flash, panorama, HDR
Video
K8 (2017)
1080p@30fps
Q31
1080p@30fps
Dual
K8 (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
K8 (2017)
5 MP, f/2.4, 1/5.0", 1.12µm
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
K8 (2017)
1080p@30fps
Q31
1080p@30fps
Loudspeaker
K8 (2017)
Yes
Q31
Yes
3.5mm jack
K8 (2017)
Yes
Q31
Yes
WLAN
K8 (2017)
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
K8 (2017)
4.2, A2DP, LE
Q31
5.0, A2DP, LE
Positioning
K8 (2017)
GPS, GLONASS
Q31
GPS
NFC
K8 (2017)
Yes
Q31
No
Radio
K8 (2017)
FM radio, RDS
Q31
No
USB
K8 (2017)
microUSB 2.0, OTG
Q31
microUSB 2.0
Sensors
K8 (2017)
Accelerometer, proximity
Q31
Accelerometer
Type
K8 (2017)
Li-Ion 2500 mAh, removable
Q31
Li-Ion 3000 mAh
Stand-by
K8 (2017)
Up to 490 h (3G)
Q31
-
Talk time
K8 (2017)
Up to 18 h (3G)
Q31
-
Colors
K8 (2017)
Silver, Titan, Gold, Dark Blue
Q31
Silver
Models
K8 (2017)
X300, M200, US215, X240, LGM-K120L, LGM-K120S
Q31
LM-Q310N
SAR EU
K8 (2017)
0.43 W/kg (head)
Q31
-
Price
K8 (2017)
About 120 EUR
Q31
About 150 EUR