Screen size
A57 (2016)5.2"
K14xWinner: 6.8"+23%
Quick verdict
K14x leads the measured specs 13-4.
Measured wins
A57 (2016)
4
spec wins
Ties
4
equal specs
K14x
13
spec wins
Overall winner
Screen size
Technology
A57 (2016)
GSM / HSPA / LTE
K14x
GSM / HSPA / LTE / 5G
2G bands
A57 (2016)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
K14x
GSM 850 / 900 / 1800 / 1900
3G bands
A57 (2016)
HSDPA 850 / 900 / 1900 / 2100
K14x
HSDPA 900 / 2100
4G bands
A57 (2016)
1, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
K14x
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
Speed
A57 (2016)
HSPA, LTE
K14x
HSPA, LTE, 5G
5G bands
A57 (2016)
-
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
A57 (2016)
2016, November. Released 2016, December
K14x
2026, February 10
Status
A57 (2016)
Discontinued
K14x
Released Feb 16, 2026
Dimensions
A57 (2016)
149.1 x 72.9 x 7.7 mm (5.87 x 2.87 x 0.30 in)
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A57 (2016)
147 g (5.19 oz)
K14x
212 g (7.48 oz)
Build
A57 (2016)
Glass front (Gorilla Glass 4), aluminum back, aluminum frame
K14x
Glass front, plastic frame, plastic back
SIM
A57 (2016)
· Nano-SIM· Nano-SIM + Nano-SIM
K14x
Nano-SIM + Nano-SIM
Other
A57 (2016)
-
K14x
IP64 dust tight and water resistant (water splashes)
Type
A57 (2016)
IPS LCD
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
Size
A57 (2016)
5.2 inches, 74.5 cm2 (~68.6% screen-to-body ratio)
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A57 (2016)
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Protection
A57 (2016)
Corning Gorilla Glass 4
K14x
-
OS
A57 (2016)
Android 6 (Marshmallow), ColorOS 3
K14x
Android 15, ColorOS 15
Chipset
A57 (2016)
Qualcomm MSM8940 Snapdragon 435 (28 nm)
K14x
Mediatek Dimensity 6300 (6 nm)
CPU
A57 (2016)
Octa-core 1.4 GHz Cortex-A53
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A57 (2016)
Adreno 505
K14x
Mali-G57 MC2
Card slot
A57 (2016)
microSDXC (dedicated slot)
K14x
microSDXC
Internal
A57 (2016)
32GB 3GB RAM
K14x
128GB 4GB RAM, 128GB 6GB RAM
Other
A57 (2016)
eMMC 5.1
K14x
UFS 2.2
Single
A57 (2016)
13 MP, f/2.2, PDAF
K14x
-
Features
A57 (2016)
LED flash, HDR, panorama
K14x
LED flash, HDR, panorama
Video
A57 (2016)
1080p@30fps
K14x
1080p@30/60fps
Dual
A57 (2016)
-
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
A57 (2016)
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
K14x
5 MP, f/2.2, (wide)
Video
A57 (2016)
1080p@30fps
K14x
1080p@30fps
Features
A57 (2016)
-
K14x
Panorama
Loudspeaker
A57 (2016)
Yes
K14x
Yes
3.5mm jack
A57 (2016)
Yes
K14x
Yes
WLAN
A57 (2016)
Wi-Fi 802.11 b/g/n
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A57 (2016)
4.1, A2DP
K14x
5.4, A2DP, LE, aptX HD
Positioning
A57 (2016)
GPS
K14x
GPS, GALILEO, GLONASS, QZSS
NFC
A57 (2016)
No
K14x
No
Radio
A57 (2016)
FM radio
K14x
Unspecified
USB
A57 (2016)
microUSB 2.0, OTG
K14x
USB Type-C 2.0, OTG
Sensors
A57 (2016)
Fingerprint (front-mounted), accelerometer, proximity, compass
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A57 (2016)
Li-Ion 2900 mAh, non-removable
K14x
6500 mAh
Charging
A57 (2016)
-
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
A57 (2016)
Black, Gold, Rose Gold
K14x
Prism Violet, Icy Blue
Models
A57 (2016)
CPH1701, A57
K14x
CPH2871
Price
A57 (2016)
About 200 EUR
K14x
About 140 EUR
SAR
A57 (2016)
-
K14x
1.14 W/kg (head) 0.89 W/kg (body)