Screen size
A57 (2016)5.2"
K15sWinner: 6.6"+21%
Quick verdict
K15s leads the measured specs 16-4.
Measured wins
A57 (2016)
4
spec wins
Ties
2
equal specs
K15s
16
spec wins
Overall winner
Screen size
Technology
A57 (2016)
GSM / HSPA / LTE
K15s
GSM / HSPA / LTE / 5G
2G bands
A57 (2016)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
K15s
GSM 850 / 900 / 1800 / 1900
3G bands
A57 (2016)
HSDPA 850 / 900 / 1900 / 2100
K15s
HSDPA 850 / 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
3.5mm jack
SD card
equal specsStereo speakers
K15s
1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 42, 48
Speed
A57 (2016)
HSPA, LTE
K15s
HSPA, LTE, 5G
5G bands
A57 (2016)
-
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
A57 (2016)
2016, November. Released 2016, December
K15s
2026, October 02
Status
A57 (2016)
Discontinued
K15s
Available. Released 2026, October 02
Dimensions
A57 (2016)
149.1 x 72.9 x 7.7 mm (5.87 x 2.87 x 0.30 in)
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
A57 (2016)
147 g (5.19 oz)
K15s
205 g (7.23 oz)
Build
A57 (2016)
Glass front (Gorilla Glass 4), aluminum back, aluminum frame
K15s
Glass front, plastic frame, plastic back
SIM
A57 (2016)
· Nano-SIM· Nano-SIM + Nano-SIM
K15s
Nano-SIM + Nano-SIM
Other
A57 (2016)
-
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 (2016)
IPS LCD
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
A57 (2016)
5.2 inches, 74.5 cm2 (~68.6% screen-to-body ratio)
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
A57 (2016)
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
K15s
1080 x 2372 pixels (~397 ppi density)
Protection
A57 (2016)
Corning Gorilla Glass 4
K15s
-
OS
A57 (2016)
Android 6 (Marshmallow), ColorOS 3
K15s
Android 16, ColorOS 16
Chipset
A57 (2016)
Qualcomm MSM8940 Snapdragon 435 (28 nm)
K15s
Mediatek Dimensity 6360 Max (6 nm)
CPU
A57 (2016)
Octa-core 1.4 GHz Cortex-A53
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A57 (2016)
Adreno 505
K15s
Mali-G57 MC2
Card slot
A57 (2016)
microSDXC (dedicated slot)
K15s
microSDXC
Internal
A57 (2016)
32GB 3GB RAM
K15s
128GB 6GB RAM, 256GB 8GB RAM
Other
A57 (2016)
eMMC 5.1
K15s
UFS 2.2
Single
A57 (2016)
13 MP, f/2.2, PDAF
K15s
-
Features
A57 (2016)
LED flash, HDR, panorama
K15s
LED flash, HDR, panorama
Video
A57 (2016)
1080p@30fps
K15s
1080p@30/60fps
Dual
A57 (2016)
-
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
Single
A57 (2016)
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
K15s
8 MP, f/2.1, 25mm (wide)
Video
A57 (2016)
1080p@30fps
K15s
1080p@30fps
Features
A57 (2016)
-
K15s
Panorama
Loudspeaker
A57 (2016)
Yes
K15s
Yes
3.5mm jack
A57 (2016)
Yes
K15s
No
WLAN
A57 (2016)
Wi-Fi 802.11 b/g/n
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A57 (2016)
4.1, A2DP
K15s
5.4, A2DP, LE, aptX HD
Positioning
A57 (2016)
GPS
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
A57 (2016)
No
K15s
Yes
Radio
A57 (2016)
FM radio
K15s
No
USB
A57 (2016)
microUSB 2.0, OTG
K15s
USB Type-C 2.0, OTG
Infrared port
A57 (2016)
-
K15s
Yes
Sensors
A57 (2016)
Fingerprint (front-mounted), accelerometer, proximity, compass
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
A57 (2016)
Li-Ion 2900 mAh, non-removable
K15s
Si/C Li-Ion 8000 mAh
Charging
A57 (2016)
-
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
Colors
A57 (2016)
Black, Gold, Rose Gold
K15s
Gray, Purple
Models
A57 (2016)
CPH1701, A57
K15s
PYE130
Price
A57 (2016)
About 200 EUR
K15s
About 270 EUR