Screen size
Q516.5"
W31Winner: 6.5"+0.3%
Quick verdict
W31 leads the measured specs 6-4.
Measured wins
Q51
4
spec wins
Ties
8
equal specs
W31
6
spec wins
Overall winner
Screen size
Technology
Q51
GSM / HSPA / LTE
W31
GSM / HSPA / LTE
2G bands
Q51
GSM 850 / 900 / 1800 / 1900
W31
GSM 850 / 900 / 1800 / 1900
3G bands
Q51
HSDPA 850 / 900 / 1900 / 2100
W31
HSDPA 850 / 900 / 2100
4G bands
Q51
1, 3, 7, 8, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
equal specsFront camera
Battery
equal specsWired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
W31
1, 3, 5, 8, 40, 41
Speed
Q51
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
W31
HSPA, LTE
Announced
Q51
2020, February 25. Released 2020, February 26
W31
2020, November 06. Released 2020, December 23
Status
Q51
Discontinued
W31
Discontinued
Dimensions
Q51
164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)
W31
166.2 x 76.3 x 8.4 mm (6.54 x 3.00 x 0.33 in)
Weight
Q51
-
W31
173.6 g (6.14 oz)
SIM
Q51
Nano-SIM + Nano-SIM
W31
Nano-SIM + Nano-SIM
Other
Q51
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
W31
-
Type
Q51
IPS LCD
W31
IPS LCD
Size
Q51
6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)
W31
6.52 inches, 102.6 cm2 (~80.9% screen-to-body ratio)
Resolution
Q51
720 x 1520 pixels, 19:9 ratio (~259 ppi density)
W31
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
OS
Q51
Android 10
W31
Android 10
Chipset
Q51
Mediatek MT6762 Helio P22 (12 nm)
W31
Mediatek MT6762 Helio P22 (12 nm)
CPU
Q51
Octa-core 2.0 GHz Cortex-A53
W31
Octa-core 2.0 GHz Cortex-A53
GPU
Q51
PowerVR GE8320
W31
PowerVR GE8320
Card slot
Q51
microSDXC (dedicated slot)
W31
microSDXC (dedicated slot)
Internal
Q51
32GB 3GB RAM
W31
64GB 4GB RAM, 128GB 4GB RAM
Other
Q51
eMMC 5.1
W31
eMMC 5.1
Triple
Q51
13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens
W31
13 MP, (wide), 1/3.0", 1.12µm, PDAF 5 MP, (ultrawide) Auxiliary lens
Features
Q51
LED flash, panorama, HDR
W31
LED flash, panorama, HDR
Video
Q51
1080p@30fps
W31
1080p@30fps
Single
Q51
13 MP, (wide), 1/3.1", 1.12µm
W31
8 MP, (wide)
Video
Q51
1080p@30fps
W31
1080p@30fps
Loudspeaker
Q51
Yes, with stereo speakers
W31
Yes
3.5mm jack
Q51
Yes
W31
Yes
WLAN
Q51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
W31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Q51
5.0, A2DP, LE
W31
4.2, A2DP, LE
Positioning
Q51
GPS
W31
GPS, GLONASS
NFC
Q51
Yes
W31
No
Radio
Q51
No
W31
FM radio
USB
Q51
USB Type-C 2.0
W31
microUSB 2.0, OTG
Sensors
Q51
Fingerprint (rear-mounted), accelerometer, proximity, compass
W31
Fingerprint (rear-mounted), accelerometer, proximity
Type
Q51
Li-Po 4000 mAh
W31
Li-Po 4000 mAh
Colors
Q51
Frozen White, Moonlight Titanium
W31
Midnight Blue
Models
Q51
LM-Q510N
W31
LMK315IM, LM-K315, LM-K315IM
Price
Q51
About 240 EUR
W31
About 130 EUR