Screen size
Q51Winner: 6.5"+15%
X power 35.5"
Quick verdict
Q51 leads the measured specs 10-4.
Measured wins
Q51
10
spec wins
Overall winner
Ties
5
equal specs
X power 3
4
spec wins
Screen size
Technology
Q51
GSM / HSPA / LTE
X power 3
GSM / HSPA / LTE
2G bands
Q51
GSM 850 / 900 / 1800 / 1900
X power 3
GSM 850 / 900 / 1800 / 1900
3G bands
Q51
HSDPA 850 / 900 / 1900 / 2100
X power 3
HSDPA 850 / 1700(AWS) / 1900 / 2100
4G bands
Q51
1, 3, 7, 8, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
X power 3
2, 4, 5, 7, 12, 13, 17, 66
Speed
Q51
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
X power 3
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Q51
2020, February 25. Released 2020, February 26
X power 3
2018, July. Released 2018, July 16
Status
Q51
Discontinued
X power 3
Discontinued
Dimensions
Q51
164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)
X power 3
154.7 x 78.1 x 8.9 mm (6.09 x 3.07 x 0.35 in)
Weight
Q51
-
X power 3
171 g (6.03 oz)
SIM
Q51
Nano-SIM + Nano-SIM
X power 3
Nano-SIM
Other
Q51
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
X power 3
-
Build
Q51
-
X power 3
Glass front, plastic back, plastic frame
Type
Q51
IPS LCD
X power 3
IPS LCD
Size
Q51
6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)
X power 3
5.5 inches, 83.4 cm2 (~69.0% screen-to-body ratio)
Resolution
Q51
720 x 1520 pixels, 19:9 ratio (~259 ppi density)
X power 3
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
OS
Q51
Android 10
X power 3
Android 8.1 (Oreo)
Chipset
Q51
Mediatek MT6762 Helio P22 (12 nm)
X power 3
Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU
Q51
Octa-core 2.0 GHz Cortex-A53
X power 3
Quad-core 1.4 GHz Cortex-A53
GPU
Q51
PowerVR GE8320
X power 3
Adreno 308
Card slot
Q51
microSDXC (dedicated slot)
X power 3
microSDXC (dedicated slot)
Internal
Q51
32GB 3GB RAM
X power 3
16GB 2GB RAM
Other
Q51
eMMC 5.1
X power 3
eMMC 5.1
Triple
Q51
13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens
X power 3
-
Features
Q51
LED flash, panorama, HDR
X power 3
LED flash, HDR
Video
Q51
1080p@30fps
X power 3
1080p@30fps
Single
Q51
-
X power 3
13 MP, AF
Single
Q51
13 MP, (wide), 1/3.1", 1.12µm
X power 3
5 MP
Video
Q51
1080p@30fps
X power 3
Features
Q51
-
X power 3
LED flash
Loudspeaker
Q51
Yes, with stereo speakers
X power 3
Yes
3.5mm jack
Q51
Yes
X power 3
Yes
WLAN
Q51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
X power 3
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Q51
5.0, A2DP, LE
X power 3
4.2, A2DP, LE
Positioning
Q51
GPS
X power 3
GPS, GLONASS
NFC
Q51
Yes
X power 3
No
Radio
Q51
No
X power 3
FM radio
USB
Q51
USB Type-C 2.0
X power 3
microUSB 2.0
Sensors
Q51
Fingerprint (rear-mounted), accelerometer, proximity, compass
X power 3
Fingerprint (rear-mounted), accelerometer, proximity
Type
Q51
Li-Po 4000 mAh
X power 3
Li-Po 4500 mAh
Charging
Q51
-
X power 3
10W wired, 50% in 60 min
Colors
Q51
Frozen White, Moonlight Titanium
X power 3
Moroccan Blue
Models
Q51
LM-Q510N
X power 3
LMX510WM, LM-X510WM
Price
Q51
About 240 EUR
X power 3
About 180 EUR
SAR
Q51
-
X power 3
1.22 W/kg (head) 1.00 W/kg (body)