Screen size
A53 5G6.5"
K15xWinner: 6.8"+3.7%
Quick verdict
K15x leads the measured specs 11-7.
Measured wins
A53 5G
7
spec wins
Ties
4
equal specs
K15x
11
spec wins
Overall winner
Screen size
Technology
A53 5G
GSM / CDMA / HSPA / EVDO / LTE / 5G
K15x
GSM / HSPA / LTE / 5G
2G bands
A53 5G
GSM 850 / 900 / 1800 / 1900 , CDMA 800
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
A53 5G
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
K15x
HSDPA 850 / 900 / 2100
4G bands
A53 5G
1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
K15x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
5G bands
A53 5G
1, 41, 77, 78 SA/NSA
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Speed
A53 5G
HSPA, LTE, 5G
K15x
HSPA, LTE, 5G
Announced
A53 5G
2020, December 18. Released 2020, December 21
K15x
2026, October 02
Status
A53 5G
Discontinued
K15x
Available. Released 2026, October 02
Dimensions
A53 5G
162.2 x 75 x 7.9 mm (6.39 x 2.95 x 0.31 in)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A53 5G
175 g (6.17 oz)
K15x
212 g (7.48 oz)
SIM
A53 5G
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Build
A53 5G
-
K15x
Glass front, plastic frame, plastic back
Other
A53 5G
-
K15x
IP64 dust tight and water resistant (water splashes)
Type
A53 5G
IPS LCD, 90Hz, 480 nits (typ)
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
A53 5G
6.5 inches, 102.0 cm2 (~83.9% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A53 5G
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
A53 5G
Android 10, ColorOS 7.2
K15x
Android 16, ColorOS 16
Chipset
A53 5G
Mediatek Dimensity 720 (7 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
A53 5G
Octa-core (2x2.0 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A53 5G
Mali-G57 MC3
K15x
Mali-G57 MC2
Card slot
A53 5G
No
K15x
microSDXC
Internal
A53 5G
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
A53 5G
UFS 2.1
K15x
UFS 2.2
Triple
A53 5G
16 MP, f/2.2, (wide), PDAF 2 MP (macro) Auxiliary lens
K15x
-
Features
A53 5G
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
A53 5G
4K@30fps, 1080p@30/120fps, gyro-EIS
K15x
1080p@30/60fps
Dual
A53 5G
-
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Single
A53 5G
8 MP, f/2.0, (wide)
K15x
5 MP, f/2.2, 27mm (wide)
Features
A53 5G
HDR
K15x
Panorama
Video
A53 5G
1080p@30fps
K15x
1080p@30fps
Loudspeaker
A53 5G
Yes
K15x
Yes
3.5mm jack
A53 5G
Yes
K15x
Yes
WLAN
A53 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
A53 5G
5.1, A2DP, LE, aptX HD
K15x
5.4, A2DP, LE, aptX HD
Positioning
A53 5G
GPS, GLONASS, GALILEO, BDS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
A53 5G
No
K15x
Yes
Radio
A53 5G
FM radio
K15x
No
USB
A53 5G
USB Type-C 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
A53 5G
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A53 5G
Li-Po 4040 mAh
K15x
6500 mAh
Charging
A53 5G
10W wired
K15x
45W wired 5W reverse wired
Colors
A53 5G
Black, Green, Purple
K15x
Purple, White
Models
A53 5G
PECM30, PECT30
K15x
PLT150
Price
A53 5G
About 160 EUR
K15x
About 230 EUR