Screen size
A576.6"
K15sWinner: 6.6"+0.2%
Quick verdict
K15s leads the measured specs 11-5.
Measured wins
A57
5
spec wins
Ties
7
equal specs
K15s
11
spec wins
Overall winner
Screen size
Technology
A57
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
K15s
GSM / HSPA / LTE / 5G
2G bands
A57
GSM 850 / 900 / 1800 / 1900 , CDMA 800
K15s
GSM 850 / 900 / 1800 / 1900
3G bands
A57
HSDPA 800 / 850 / 900 / 1900 / 2100 , CDMA2000 1x
K15s
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
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
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
A57
1, 5, 8, 28, 41, 77, 78 SA/NSA
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Speed
A57
HSPA, LTE, 5G
K15s
HSPA, LTE, 5G
Announced
A57
2022, April 14
K15s
2026, October 02
Status
A57
Available. Released 2022, April 15
K15s
Available. Released 2026, October 02
Dimensions
A57
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
A57
186 g (6.56 oz)
K15s
205 g (7.23 oz)
Build
A57
Glass front, plastic frame, plastic back
K15s
Glass front, plastic frame, plastic back
SIM
A57
Nano-SIM + Nano-SIM
K15s
Nano-SIM + Nano-SIM
Other
A57
-
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
A57
IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
A57
6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio)
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
A57
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
K15s
1080 x 2372 pixels (~397 ppi density)
OS
A57
Android 12, ColorOS 12.1
K15s
Android 16, ColorOS 16
Chipset
A57
Mediatek Dimensity 810 (6 nm)
K15s
Mediatek Dimensity 6360 Max (6 nm)
CPU
A57
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A57
Mali-G57 MC2
K15s
Mali-G57 MC2
Card slot
A57
microSDXC
K15s
microSDXC
Internal
A57
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
K15s
128GB 6GB RAM, 256GB 8GB RAM
Other
A57
UFS 2.1 (128GB/8GB) UFS 2.2 (128GB/6GB)
K15s
UFS 2.2
Dual
A57
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF Auxiliary lens
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
Features
A57
LED flash, HDR, panorama
K15s
LED flash, HDR, panorama
Video
A57
1080p@30fps
K15s
1080p@30/60fps
Single
A57
8 MP, f/2.0, 26mm (wide)
K15s
8 MP, f/2.1, 25mm (wide)
Video
A57
1080p@30fps
K15s
1080p@30fps
Features
A57
-
K15s
Panorama
Loudspeaker
A57
Yes, with stereo speakers
K15s
Yes
3.5mm jack
A57
Yes
K15s
No
WLAN
A57
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
A57
5.2, A2DP, LE, aptX HD
K15s
5.4, A2DP, LE, aptX HD
Positioning
A57
GPS, GLONASS, GALILEO, BDS, QZSS
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
A57
No
K15s
Yes
Radio
A57
No
K15s
No
USB
A57
USB Type-C 2.0, OTG
K15s
USB Type-C 2.0, OTG
Infrared port
A57
-
K15s
Yes
Sensors
A57
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
A57
Li-Po 5000 mAh
K15s
Si/C Li-Ion 8000 mAh
Charging
A57
10W wired
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
Colors
A57
Black, Blue, Lilac
K15s
Gray, Purple
Models
A57
PFTM20
K15s
PYE130
Price
A57
About 200 EUR
K15s
About 270 EUR