Screen size
Quick verdict
K15x leads the measured specs 10-6.
Measured wins
A55 5G
6
spec wins
Ties
6
equal specs
K15x
10
spec wins
Overall winner
Screen size
Technology
A55 5G
GSM / CDMA / HSPA / LTE / 5G
K15x
GSM / HSPA / LTE / 5G
2G bands
A55 5G
GSM 850 / 900 / 1800 / 1900 , CDMA 800
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
A55 5G
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
K15x
HSDPA 850 / 900 / 2100
4G bands
A55 5G
1, 3, 5, 8, 34, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain 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
K15x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
5G bands
A55 5G
1, 28, 41, 77, 78
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Speed
A55 5G
HSPA, LTE
K15x
HSPA, LTE, 5G
Announced
A55 5G
2021, January 25
K15x
2026, October 02
Status
A55 5G
Available. Released 2021, January 25
K15x
Available. Released 2026, October 02
Dimensions
A55 5G
163.9 x 75.7 x 8.4 mm (6.45 x 2.98 x 0.33 in)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A55 5G
186 g (6.56 oz)
K15x
212 g (7.48 oz)
SIM
A55 5G
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Build
A55 5G
-
K15x
Glass front, plastic frame, plastic back
Other
A55 5G
-
K15x
IP64 dust tight and water resistant (water splashes)
Type
A55 5G
IPS LCD, 480 nits (peak)
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
A55 5G
6.5 inches, 102.0 cm2 (~82.2% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A55 5G
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
A55 5G
Android 11, ColorOS 11.1
K15x
Android 16, ColorOS 16
Chipset
A55 5G
Mediatek Dimensity 700 (7 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
A55 5G
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A55 5G
Mali-G57 MC2
K15x
Mali-G57 MC2
Card slot
A55 5G
microSDXC
K15x
microSDXC
Internal
A55 5G
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
A55 5G
-
K15x
UFS 2.2
Triple
A55 5G
13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens
K15x
-
Features
A55 5G
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
A55 5G
1080p@30fps
K15x
1080p@30/60fps
Dual
A55 5G
-
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Single
A55 5G
8 MP, f/2.0, (wide)
K15x
5 MP, f/2.2, 27mm (wide)
Features
A55 5G
HDR
K15x
Panorama
Video
A55 5G
1080p@30fps
K15x
1080p@30fps
Loudspeaker
A55 5G
Yes
K15x
Yes
3.5mm jack
A55 5G
Yes
K15x
Yes
WLAN
A55 5G
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A55 5G
5.1, A2DP, LE, aptX HD
K15x
5.4, A2DP, LE, aptX HD
Positioning
A55 5G
GPS, GLONASS, GALILEO, BDS, QZSS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
A55 5G
No
K15x
Yes
Radio
A55 5G
No
K15x
No
USB
A55 5G
USB Type-C 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
A55 5G
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A55 5G
Li-Po 5000 mAh
K15x
6500 mAh
Charging
A55 5G
10W wired
K15x
45W wired 5W reverse wired
Colors
A55 5G
Black, Blue, Gold
K15x
Purple, White
Models
A55 5G
PEMM00, PEMM20, PEMT00, PEMT20
K15x
PLT150
Price
A55 5G
About 200 EUR
K15x
About 230 EUR