Screen size
Q31Winner: 5.7"+3.5%
Q75.5"
Quick verdict
Q7 leads the measured specs 7-3.
Measured wins
Q31
3
spec wins
Ties
9
equal specs
Q7
7
spec wins
Overall winner
Screen size
Technology
Q31
GSM / HSPA / LTE
Q7
GSM / HSPA / LTE
2G bands
Q31
GSM 850 / 900 / 1800 / 1900
Q7
GSM 850 / 900 / 1800 / 1900
3G bands
Q31
HSDPA 850 / 900 / 1900 / 2100
Q7
HSDPA 850 / 900 / 1900 / 2100
4G bands
Q31
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
equal specsWired charging
Weight
equal specsThickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Q7
1, 3, 5, 7, 8, 28, 38, 40, 41
Speed
Q31
HSPA, LTE
Q7
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
Q31
2020, September 17. Released 2020, September 25
Q7
2018, May. Released 2018, June
Status
Q31
Discontinued
Q7
Discontinued
Dimensions
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Q7
143.8 x 69.3 x 8.4 mm (5.66 x 2.73 x 0.33 in)
Weight
Q31
145 g (5.11 oz)
Q7
145 g (5.11 oz)
SIM
Q31
Nano-SIM
Q7
· Nano-SIM· Nano-SIM + Nano-SIM
Other
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Q7
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
Q31
IPS LCD
Q7
IPS LCD
Size
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Q7
5.5 inches, 77.0 cm2 (~77.3% screen-to-body ratio)
Resolution
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Q7
1080 x 2160 pixels, 18:9 ratio (~442 ppi density)
OS
Q31
Android 10
Q7
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie)
Chipset
Q31
Mediatek MT6762 Helio P22 (12 nm)
Q7
Mediatek MT6750S (28 nm) - Q7, Q7αQualcomm SDM450 Snapdragon 450 (14 nm) - Q7+
CPU
Q31
Octa-core 2.0 GHz Cortex-A53
Q7
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) - Q7, Q7αOcta-core 1.8 GHz Cortex-A53 - Q7+
GPU
Q31
PowerVR GE8320
Q7
Mali-T860MP2 - Q7, Q7αAdreno 506 - Q7+
Card slot
Q31
microSDXC
Q7
microSDXC (dedicated slot)
Internal
Q31
32GB 3GB RAM
Q7
32GB 3GB RAM, 64GB 4GB RAM
Other
Q31
eMMC 5.1
Q7
eMMC 5.1
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
Q7
-
Features
Q31
LED flash, panorama, HDR
Q7
LED flash, panorama, HDR
Video
Q31
1080p@30fps
Q7
1080p@30fps (gyro-EIS)
Single
Q31
-
Q7
13 MP, f/2.2, 1/3.1", 1.12µm, PDAF (Q7, Q7α) 16 MP, PDAF (Q7+)
Single
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Q7
5 MP (Q7α) 8 MP, f/1.9, 1/4.0", 1.12µm (Q7, Q7+)
Video
Q31
1080p@30fps
Q7
1080p@30fps
Loudspeaker
Q31
Yes
Q7
Yes
3.5mm jack
Q31
Yes
Q7
Yes
WLAN
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Q7
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA
Bluetooth
Q31
5.0, A2DP, LE
Q7
4.2, A2DP, LE
Positioning
Q31
GPS
Q7
GPS, GLONASS
NFC
Q31
No
Q7
Yes
Radio
Q31
No
Q7
Stereo FM radio with RDS
USB
Q31
microUSB 2.0
Q7
USB Type-C 2.0, OTG
Sensors
Q31
Accelerometer
Q7
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
Q31
Li-Ion 3000 mAh
Q7
Li-Po 3000 mAh, non-removable
Charging
Q31
-
Q7
15W wired
Colors
Q31
Silver
Q7
Aurora Black, Moroccan Blue, Lavender Violet
Models
Q31
LM-Q310N
Q7
LM-Q610, LM-Q610.FG, LM-Q610.FGN, LM-Q610(FGN), LM-Q610.YN, LM-Q725L, LM-Q725K, LM-Q725S
Price
Q31
About 150 EUR
Q7
About 150 EUR