Screen size
Quick verdict
Q51 leads the measured specs 7-3.
Measured wins
K22
3
spec wins
Ties
9
equal specs
Q51
7
spec wins
Overall winner
Screen size
Technology
K22
GSM / HSPA / LTE
Q51
GSM / HSPA / LTE
2G bands
K22
GSM 850 / 900 / 1800 / 1900
Q51
GSM 850 / 900 / 1800 / 1900
3G bands
K22
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Brazil
Q51
HSDPA 850 / 900 / 1900 / 2100
4G bands
K22
1, 3, 5, 7, 8, 20, 28, 38, 40 - International, 1, 3, 7, 8, 20, 28 - Europe, 1, 3, 5, 7, 8, 20, 28, 40 - Brazil
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Q51
1, 3, 7, 8, 20
Speed
K22
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Q51
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
Announced
K22
2020, September 12. Released 2020, September 12
Q51
2020, February 25. Released 2020, February 26
Status
K22
Discontinued
Q51
Discontinued
Dimensions
K22
155.7 x 75.4 x 8.4 mm (6.13 x 2.97 x 0.33 in)
Q51
164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)
Weight
K22
169.5 g (6.00 oz)
Q51
-
Build
K22
Glass front, plastic frame, plastic back
Q51
-
SIM
K22
Nano-SIM + Nano-SIM
Q51
Nano-SIM + Nano-SIM
Other
K22
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
K22
IPS LCD, 400 nits (typ)
Q51
IPS LCD
Size
K22
6.2 inches, 95.9 cm2 (~81.7% screen-to-body ratio)
Q51
6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)
Resolution
K22
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
Q51
720 x 1520 pixels, 19:9 ratio (~259 ppi density)
OS
K22
Android 10
Q51
Android 10
Chipset
K22
Qualcomm QM215 Snapdragon 215 (28 nm)
Q51
Mediatek MT6762 Helio P22 (12 nm)
CPU
K22
Quad-core 1.3 GHz Cortex-A53
Q51
Octa-core 2.0 GHz Cortex-A53
GPU
K22
Adreno 308
Q51
PowerVR GE8320
Card slot
K22
microSDXC
Q51
microSDXC (dedicated slot)
Internal
K22
32GB 2GB RAM, 64GB 3GB RAM
Q51
32GB 3GB RAM
Other
K22
eMMC 5.1
Q51
eMMC 5.1
Dual
K22
13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF 2 MP (macro)
Q51
-
Features
K22
LED flash, HDR
Q51
LED flash, panorama, HDR
Video
K22
1080p@30fps
Q51
1080p@30fps
Triple
K22
-
Q51
13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens
Single
K22
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Q51
13 MP, (wide), 1/3.1", 1.12µm
Video
K22
1080p@30fps
Q51
1080p@30fps
Loudspeaker
K22
Yes
Q51
Yes, with stereo speakers
3.5mm jack
K22
Yes
Q51
Yes
WLAN
K22
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Q51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth
K22
5.0, A2DP, LE
Q51
5.0, A2DP, LE
Positioning
K22
GPS, GLONASS
Q51
GPS
NFC
K22
No
Q51
Yes
Radio
K22
FM radio (market/operator dependent)
Q51
No
USB
K22
microUSB 2.0, OTG
Q51
USB Type-C 2.0
Sensors
K22
Accelerometer, proximity, compass
Q51
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
K22
Li-Po 3000 mAh
Q51
Li-Po 4000 mAh
Colors
K22
Titan, Blue
Q51
Frozen White, Moonlight Titanium
Models
K22
LMK200Z, LMK200E, LMK200B, LM-K200
Q51
LM-Q510N
Price
K22
About 140 EUR
Q51
About 240 EUR