Screen size
A53s 5G6.5"
K15sWinner: 6.6"+0.8%
Quick verdict
K15s leads the measured specs 12-3.
Measured wins
A53s 5G
3
spec wins
Ties
7
equal specs
K15s
12
spec wins
Overall winner
Screen size
Technology
A53s 5G
GSM / HSPA / LTE / 5G
K15s
GSM / HSPA / LTE / 5G
2G bands
A53s 5G
GSM 850 / 900 / 1800 / 1900
K15s
GSM 850 / 900 / 1800 / 1900
3G bands
A53s 5G
HSDPA 800 / 850 / 900 / 2100
K15s
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
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
K15s
1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 42, 48
5G bands
A53s 5G
1, 28, 41, 77, 78 SA/NSA
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Speed
A53s 5G
HSPA, LTE, 5G
K15s
HSPA, LTE, 5G
Announced
A53s 5G
2021, April 27
K15s
2026, October 02
Status
A53s 5G
Available. Released 2021, May 07
K15s
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)
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
A53s 5G
189.6 g (6.70 oz)
K15s
205 g (7.23 oz)
SIM
A53s 5G
Nano-SIM + Nano-SIM
K15s
Nano-SIM + Nano-SIM
Build
A53s 5G
-
K15s
Glass front, plastic frame, plastic back
Other
A53s 5G
-
K15s
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Drop resistant up to 1.8m
Type
A53s 5G
IPS LCD, 480 nits (typ)
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
A53s 5G
6.52 inches, 102.6 cm2 (~82.7% screen-to-body ratio)
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
A53s 5G
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
K15s
1080 x 2372 pixels (~397 ppi density)
OS
A53s 5G
Android 11, ColorOS 11.1
K15s
Android 16, ColorOS 16
Chipset
A53s 5G
Mediatek Dimensity 700 (7 nm)
K15s
Mediatek Dimensity 6360 Max (6 nm)
CPU
A53s 5G
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A53s 5G
Mali-G57 MC2
K15s
Mali-G57 MC2
Card slot
A53s 5G
microSDXC (dedicated slot)
K15s
microSDXC
Internal
A53s 5G
128GB 6GB RAM, 128GB 8GB RAM
K15s
128GB 6GB RAM, 256GB 8GB RAM
Other
A53s 5G
UFS 2.2
K15s
UFS 2.2
Triple
A53s 5G
13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens
K15s
-
Features
A53s 5G
LED flash, HDR, panorama
K15s
LED flash, HDR, panorama
Video
A53s 5G
1080p@30fps
K15s
1080p@30/60fps
Dual
A53s 5G
-
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
Single
A53s 5G
8 MP, f/2.0, 26mm (wide)
K15s
8 MP, f/2.1, 25mm (wide)
Features
A53s 5G
HDR
K15s
Panorama
Video
A53s 5G
1080p@30fps
K15s
1080p@30fps
Loudspeaker
A53s 5G
Yes
K15s
Yes
3.5mm jack
A53s 5G
Yes
K15s
No
WLAN
A53s 5G
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A53s 5G
5.0, A2DP, LE, aptX HD
K15s
5.4, A2DP, LE, aptX HD
Positioning
A53s 5G
GPS, GLONASS, GALILEO, BDS, QZSS
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
A53s 5G
No
K15s
Yes
Radio
A53s 5G
No
K15s
No
USB
A53s 5G
USB Type-C 2.0, OTG
K15s
USB Type-C 2.0, OTG
Infrared port
A53s 5G
-
K15s
Yes
Sensors
A53s 5G
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
A53s 5G
Li-Po 5000 mAh
K15s
Si/C Li-Ion 8000 mAh
Charging
A53s 5G
10W wired
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
Colors
A53s 5G
Crystal Blue, Ink Black
K15s
Gray, Purple
Models
A53s 5G
CPH2321
K15s
PYE130
Price
A53s 5G
About 170 EUR
K15s
About 270 EUR