Screen size
A576.6"
K15xWinner: 6.8"+2.8%
Quick verdict
K15x leads the measured specs 8-7.
Measured wins
A57
7
spec wins
Ties
8
equal specs
K15x
8
spec wins
Overall winner
Screen size
Technology
A57
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
K15x
GSM / HSPA / LTE / 5G
2G bands
A57
GSM 850 / 900 / 1800 / 1900 , CDMA 800
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
A57
HSDPA 800 / 850 / 900 / 1900 / 2100 , CDMA2000 1x
K15x
HSDPA 850 / 900 / 2100
4G bands
A57
1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
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
A57
1, 5, 8, 28, 41, 77, 78 SA/NSA
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Speed
A57
HSPA, LTE, 5G
K15x
HSPA, LTE, 5G
Announced
A57
2022, April 14
K15x
2026, October 02
Status
A57
Available. Released 2022, April 15
K15x
Available. Released 2026, October 02
Dimensions
A57
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A57
186 g (6.56 oz)
K15x
212 g (7.48 oz)
Build
A57
Glass front, plastic frame, plastic back
K15x
Glass front, plastic frame, plastic back
SIM
A57
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Other
A57
-
K15x
IP64 dust tight and water resistant (water splashes)
Type
A57
IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
A57
6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A57
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
A57
Android 12, ColorOS 12.1
K15x
Android 16, ColorOS 16
Chipset
A57
Mediatek Dimensity 810 (6 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
A57
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A57
Mali-G57 MC2
K15x
Mali-G57 MC2
Card slot
A57
microSDXC
K15x
microSDXC
Internal
A57
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
A57
UFS 2.1 (128GB/8GB) UFS 2.2 (128GB/6GB)
K15x
UFS 2.2
Dual
A57
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF Auxiliary lens
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Features
A57
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
A57
1080p@30fps
K15x
1080p@30/60fps
Single
A57
8 MP, f/2.0, 26mm (wide)
K15x
5 MP, f/2.2, 27mm (wide)
Video
A57
1080p@30fps
K15x
1080p@30fps
Features
A57
-
K15x
Panorama
Loudspeaker
A57
Yes, with stereo speakers
K15x
Yes
3.5mm jack
A57
Yes
K15x
Yes
WLAN
A57
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
A57
5.2, A2DP, LE, aptX HD
K15x
5.4, A2DP, LE, aptX HD
Positioning
A57
GPS, GLONASS, GALILEO, BDS, QZSS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
A57
No
K15x
Yes
Radio
A57
No
K15x
No
USB
A57
USB Type-C 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
A57
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A57
Li-Po 5000 mAh
K15x
6500 mAh
Charging
A57
10W wired
K15x
45W wired 5W reverse wired
Colors
A57
Black, Blue, Lilac
K15x
Purple, White
Models
A57
PFTM20
K15x
PLT150
Price
A57
About 200 EUR
K15x
About 230 EUR