Screen size
A53s 5G6.5"
K15xWinner: 6.8"+3.4%
Quick verdict
K15x leads the measured specs 9-5.
Measured wins
A53s 5G
5
spec wins
Ties
8
equal specs
K15x
9
spec wins
Overall winner
Screen size
Technology
A53s 5G
GSM / HSPA / LTE / 5G
K15x
GSM / HSPA / LTE / 5G
2G bands
A53s 5G
GSM 850 / 900 / 1800 / 1900
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
A53s 5G
HSDPA 800 / 850 / 900 / 2100
K15x
HSDPA 850 / 900 / 2100
4G bands
A53s 5G
1, 3, 5, 8, 34, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
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
A53s 5G
1, 28, 41, 77, 78 SA/NSA
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Speed
A53s 5G
HSPA, LTE, 5G
K15x
HSPA, LTE, 5G
Announced
A53s 5G
2021, April 27
K15x
2026, October 02
Status
A53s 5G
Available. Released 2021, May 07
K15x
Available. Released 2026, October 02
Dimensions
A53s 5G
164 x 75.7 x 8.4 mm (6.46 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
A53s 5G
189.6 g (6.70 oz)
K15x
212 g (7.48 oz)
SIM
A53s 5G
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Build
A53s 5G
-
K15x
Glass front, plastic frame, plastic back
Other
A53s 5G
-
K15x
IP64 dust tight and water resistant (water splashes)
Type
A53s 5G
IPS LCD, 480 nits (typ)
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
A53s 5G
6.52 inches, 102.6 cm2 (~82.7% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A53s 5G
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
A53s 5G
Android 11, ColorOS 11.1
K15x
Android 16, ColorOS 16
Chipset
A53s 5G
Mediatek Dimensity 700 (7 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
A53s 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
A53s 5G
Mali-G57 MC2
K15x
Mali-G57 MC2
Card slot
A53s 5G
microSDXC (dedicated slot)
K15x
microSDXC
Internal
A53s 5G
128GB 6GB RAM, 128GB 8GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
A53s 5G
UFS 2.2
K15x
UFS 2.2
Triple
A53s 5G
13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens
K15x
-
Features
A53s 5G
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
A53s 5G
1080p@30fps
K15x
1080p@30/60fps
Dual
A53s 5G
-
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Single
A53s 5G
8 MP, f/2.0, 26mm (wide)
K15x
5 MP, f/2.2, 27mm (wide)
Features
A53s 5G
HDR
K15x
Panorama
Video
A53s 5G
1080p@30fps
K15x
1080p@30fps
Loudspeaker
A53s 5G
Yes
K15x
Yes
3.5mm jack
A53s 5G
Yes
K15x
Yes
WLAN
A53s 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
A53s 5G
5.0, A2DP, LE, aptX HD
K15x
5.4, A2DP, LE, aptX HD
Positioning
A53s 5G
GPS, GLONASS, GALILEO, BDS, QZSS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
A53s 5G
No
K15x
Yes
Radio
A53s 5G
No
K15x
No
USB
A53s 5G
USB Type-C 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
A53s 5G
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A53s 5G
Li-Po 5000 mAh
K15x
6500 mAh
Charging
A53s 5G
10W wired
K15x
45W wired 5W reverse wired
Colors
A53s 5G
Crystal Blue, Ink Black
K15x
Purple, White
Models
A53s 5G
CPH2321
K15x
PLT150
Price
A53s 5G
About 170 EUR
K15x
About 230 EUR