Screen size
K3 (2017)4.5"
Q31Winner: 5.7"+21%
Quick verdict
Q31 leads the measured specs 11-1.
Measured wins
K3 (2017)
1
spec wins
Ties
5
equal specs
Q31
11
spec wins
Overall winner
Screen size
Technology
K3 (2017)
GSM / HSPA / LTE
Q31
GSM / HSPA / LTE
2G bands
K3 (2017)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
K3 (2017)
HSDPA 850 / 900 / 1900 / 2100
Q31
HSDPA 850 / 900 / 1900 / 2100
4G bands
K3 (2017)
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
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
K3 (2017)
HSPA, LTE
Q31
HSPA, LTE
Announced
K3 (2017)
2016, December. Released 2017, April
Q31
2020, September 17. Released 2020, September 25
Status
K3 (2017)
Discontinued
Q31
Discontinued
Dimensions
K3 (2017)
133.9 x 69.8 x 9.5 mm (5.27 x 2.75 x 0.37 in)
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Weight
K3 (2017)
132 g (4.66 oz)
Q31
145 g (5.11 oz)
SIM
K3 (2017)
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Q31
Nano-SIM
Other
K3 (2017)
-
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
K3 (2017)
IPS LCD
Q31
IPS LCD
Size
K3 (2017)
4.5 inches, 55.8 cm2 (~59.7% screen-to-body ratio)
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
K3 (2017)
480 x 854 pixels, 16:9 ratio (~218 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
OS
K3 (2017)
Android 6.0.1 (Marshmallow)
Q31
Android 10
Chipset
K3 (2017)
Qualcomm MSM8909 Snapdragon 210 (28 nm)
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
K3 (2017)
Quad-core 1.1 GHz Cortex-A7
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
K3 (2017)
Adreno 304
Q31
PowerVR GE8320
Card slot
K3 (2017)
microSDHC (dedicated slot)
Q31
microSDXC
Internal
K3 (2017)
8GB 1GB RAM
Q31
32GB 3GB RAM
Other
K3 (2017)
eMMC 4.5
Q31
eMMC 5.1
Single
K3 (2017)
5 MP
Q31
-
Features
K3 (2017)
LED flash
Q31
LED flash, panorama, HDR
Video
K3 (2017)
720p@30fps
Q31
1080p@30fps
Dual
K3 (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
K3 (2017)
2 MP
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
K3 (2017)
Q31
1080p@30fps
Loudspeaker
K3 (2017)
Yes
Q31
Yes
3.5mm jack
K3 (2017)
Yes
Q31
Yes
WLAN
K3 (2017)
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
K3 (2017)
4.1, A2DP, LE
Q31
5.0, A2DP, LE
Positioning
K3 (2017)
GPS, GLONASS
Q31
GPS
NFC
K3 (2017)
No
Q31
No
Radio
K3 (2017)
FM radio
Q31
No
USB
K3 (2017)
microUSB 2.0
Q31
microUSB 2.0
Sensors
K3 (2017)
Accelerometer
Q31
Accelerometer
Type
K3 (2017)
Li-Ion 2100 mAh, removable
Q31
Li-Ion 3000 mAh
Stand-by
K3 (2017)
Up to 500 h (3G)
Q31
-
Talk time
K3 (2017)
Up to 5 h 30 min (3G)
Q31
-
Colors
K3 (2017)
Black
Q31
Silver
Price
K3 (2017)
About 90 EUR
Q31
About 150 EUR
Models
K3 (2017)
-
Q31
LM-Q310N