Screen size
Q516.5"
W31+Winner: 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+
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 140 EUR