Screen size
A576.6"
K14xWinner: 6.8"+2.8%
Quick verdict
K14x leads the measured specs 8-7.
Measured wins
A57
7
spec wins
Ties
7
equal specs
K14x
8
spec wins
Overall winner
Screen size
Technology
A57
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
K14x
GSM / HSPA / LTE / 5G
2G bands
A57
GSM 850 / 900 / 1800 / 1900 , CDMA 800
K14x
GSM 850 / 900 / 1800 / 1900
3G bands
A57
HSDPA 800 / 850 / 900 / 1900 / 2100 , CDMA2000 1x
K14x
HSDPA 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
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
K14x
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
5G bands
A57
1, 5, 8, 28, 41, 77, 78 SA/NSA
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Speed
A57
HSPA, LTE, 5G
K14x
HSPA, LTE, 5G
Announced
A57
2022, April 14
K14x
2026, February 10
Status
A57
Available. Released 2022, April 15
K14x
Released Feb 16, 2026
Dimensions
A57
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)
K14x
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)
K14x
212 g (7.48 oz)
Build
A57
Glass front, plastic frame, plastic back
K14x
Glass front, plastic frame, plastic back
SIM
A57
Nano-SIM + Nano-SIM
K14x
Nano-SIM + Nano-SIM
Other
A57
-
K14x
IP64 dust tight and water resistant (water splashes)
Type
A57
IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
Size
A57
6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio)
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A57
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
A57
Android 12, ColorOS 12.1
K14x
Android 15, ColorOS 15
Chipset
A57
Mediatek Dimensity 810 (6 nm)
K14x
Mediatek Dimensity 6300 (6 nm)
CPU
A57
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A57
Mali-G57 MC2
K14x
Mali-G57 MC2
Card slot
A57
microSDXC
K14x
microSDXC
Internal
A57
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
K14x
128GB 4GB RAM, 128GB 6GB RAM
Other
A57
UFS 2.1 (128GB/8GB) UFS 2.2 (128GB/6GB)
K14x
UFS 2.2
Dual
A57
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF Auxiliary lens
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Features
A57
LED flash, HDR, panorama
K14x
LED flash, HDR, panorama
Video
A57
1080p@30fps
K14x
1080p@30/60fps
Single
A57
8 MP, f/2.0, 26mm (wide)
K14x
5 MP, f/2.2, (wide)
Video
A57
1080p@30fps
K14x
1080p@30fps
Features
A57
-
K14x
Panorama
Loudspeaker
A57
Yes, with stereo speakers
K14x
Yes
3.5mm jack
A57
Yes
K14x
Yes
WLAN
A57
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A57
5.2, A2DP, LE, aptX HD
K14x
5.4, A2DP, LE, aptX HD
Positioning
A57
GPS, GLONASS, GALILEO, BDS, QZSS
K14x
GPS, GALILEO, GLONASS, QZSS
NFC
A57
No
K14x
No
Radio
A57
No
K14x
Unspecified
USB
A57
USB Type-C 2.0, OTG
K14x
USB Type-C 2.0, OTG
Sensors
A57
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A57
Li-Po 5000 mAh
K14x
6500 mAh
Charging
A57
10W wired
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
A57
Black, Blue, Lilac
K14x
Prism Violet, Icy Blue
Models
A57
PFTM20
K14x
CPH2871
Price
A57
About 200 EUR
K14x
About 140 EUR
SAR
A57
-
K14x
1.14 W/kg (head) 0.89 W/kg (body)