Screen size
K506.3"
Q51Winner: 6.5"+3.7%
Quick verdict
Q51 leads the measured specs 4-2.
Measured wins
K50
2
spec wins
Ties
12
equal specs
Q51
4
spec wins
Overall winner
Screen size
Technology
K50
GSM / HSPA / LTE
Q51
GSM / HSPA / LTE
2G bands
K50
GSM 850 / 900 / 1800 / 1900
Q51
GSM 850 / 900 / 1800 / 1900
3G bands
K50
HSDPA 850 / 900 / 1900 / 2100
Q51
HSDPA 850 / 900 / 1900 / 2100
4G bands
K50
1, 3, 7, 8, 20, 38
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Q51
1, 3, 7, 8, 20
Speed
K50
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
Q51
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
Announced
K50
2019, February. Released 2019, August
Q51
2020, February 25. Released 2020, February 26
Status
K50
Discontinued
Q51
Discontinued
Dimensions
K50
161.3 x 77 x 8.7 mm (6.35 x 3.03 x 0.34 in)
Q51
164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)
Weight
K50
170 g (6.00 oz)
Q51
-
SIM
K50
· Nano-SIM· Nano-SIM + Nano-SIM
Q51
Nano-SIM + Nano-SIM
Other
K50
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Q51
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
K50
IPS LCD
Q51
IPS LCD
Size
K50
6.26 inches, 97.8 cm2 (~78.8% screen-to-body ratio)
Q51
6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)
Resolution
K50
720 x 1520 pixels, 19:9 ratio (~269 ppi density)
Q51
720 x 1520 pixels, 19:9 ratio (~259 ppi density)
OS
K50
Android 9.0 (Pie)
Q51
Android 10
Chipset
K50
Mediatek MT6762 Helio P22 (12 nm)
Q51
Mediatek MT6762 Helio P22 (12 nm)
CPU
K50
Octa-core 2.0 GHz Cortex-A53
Q51
Octa-core 2.0 GHz Cortex-A53
GPU
K50
PowerVR GE8320
Q51
PowerVR GE8320
Card slot
K50
microSDXC (dedicated slot)
Q51
microSDXC (dedicated slot)
Internal
K50
32GB 3GB RAM
Q51
32GB 3GB RAM
Other
K50
eMMC 5.1
Q51
eMMC 5.1
Dual
K50
13 MP, f/2.2, 26mm (wide), PDAF Auxiliary lens
Q51
-
Features
K50
LED flash, panorama, HDR
Q51
LED flash, panorama, HDR
Video
K50
1080p@30fps
Q51
1080p@30fps
Triple
K50
-
Q51
13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens
Single
K50
13 MP, f/2.0, 1/3.1", 1.12µm
Q51
13 MP, (wide), 1/3.1", 1.12µm
Video
K50
1080p@30fps
Q51
1080p@30fps
Loudspeaker
K50
Yes
Q51
Yes, with stereo speakers
3.5mm jack
K50
Yes
Q51
Yes
WLAN
K50
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Q51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth
K50
5.0, A2DP, LE
Q51
5.0, A2DP, LE
Positioning
K50
GPS, GLONASS
Q51
GPS
NFC
K50
Yes (market/region dependent)
Q51
Yes
Radio
K50
No
Q51
No
USB
K50
microUSB 2.0, OTG
Q51
USB Type-C 2.0
Sensors
K50
Fingerprint (rear-mounted), accelerometer, proximity
Q51
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
K50
Li-Po 3500 mAh, non-removable
Q51
Li-Po 4000 mAh
Colors
K50
Aurora Black, Moroccan Blue, Platinum Gray
Q51
Frozen White, Moonlight Titanium
Models
K50
LMX520BMW, LMX520EMW, LM-X520, 802LG
Q51
LM-Q510N
Price
K50
About 180 EUR
Q51
About 240 EUR