Screen size
K16.4"
K15sWinner: 6.6"+2.6%
Quick verdict
K15s leads the measured specs 14-5.
Measured wins
K1
5
spec wins
Ties
3
equal specs
K15s
14
spec wins
Overall winner
Screen size
Technology
K1
GSM / HSPA / LTE
K15s
GSM / HSPA / LTE / 5G
2G bands
K1
GSM 850 / 900 / 1800 / 1900
K15s
GSM 850 / 900 / 1800 / 1900
3G bands
K1
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
K15s
HSDPA 850 / 900 / 2100
4G bands
K1
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 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
equal specsUSB
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
K1
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/50 Mbps
K15s
HSPA, LTE, 5G
5G bands
K1
-
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
K1
2018, October. Released 2018, October
K15s
2026, October 02
Status
K1
Discontinued
K15s
Available. Released 2026, October 02
Dimensions
K1
158.3 x 75.5 x 7.4 mm (6.23 x 2.97 x 0.29 in)
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
K1
156 g (5.50 oz)
K15s
205 g (7.23 oz)
Build
K1
Glass front (Gorilla Glass 5), plastic back, plastic frame
K15s
Glass front, plastic frame, plastic back
SIM
K1
Nano-SIM + Nano-SIM
K15s
Nano-SIM + Nano-SIM
Other
K1
-
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
K1
Super AMOLED
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
K1
6.4 inches, 101.0 cm2 (~84.5% screen-to-body ratio)
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
K1
1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
K15s
1080 x 2372 pixels (~397 ppi density)
Protection
K1
Corning Gorilla Glass 5
K15s
-
OS
K1
Android 8.1 (Oreo), ColorOS 5.2
K15s
Android 16, ColorOS 16
Chipset
K1
Qualcomm SDM660 Snapdragon 660 (14 nm)
K15s
Mediatek Dimensity 6360 Max (6 nm)
CPU
K1
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
K1
Adreno 512
K15s
Mali-G57 MC2
Card slot
K1
microSDXC (dedicated slot)
K15s
microSDXC
Internal
K1
64GB 4GB RAM, 64GB 6GB RAM
K15s
128GB 6GB RAM, 256GB 8GB RAM
Other
K1
eMMC 5.1
K15s
UFS 2.2
Dual
K1
16 MP, f/1.8, 1/2.8", 1.12µm, PDAF Auxiliary lens
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
Features
K1
LED flash, HDR, panorama
K15s
LED flash, HDR, panorama
Video
K1
4K@30fps, 1080p@30fps
K15s
1080p@30/60fps
Single
K1
25 MP, f/2.0, 1/2.8", 0.9µm
K15s
8 MP, f/2.1, 25mm (wide)
Features
K1
HDR
K15s
Panorama
Video
K1
1080p@30fps
K15s
1080p@30fps
Loudspeaker
K1
Yes
K15s
Yes
3.5mm jack
K1
Yes
K15s
No
WLAN
K1
Wi-Fi 802.11 а/b/g/n/ac, dual-band, Wi-Fi Direct
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
K1
5.0, A2DP, LE
K15s
5.4, A2DP, LE, aptX HD
Positioning
K1
GPS
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
K1
No
K15s
Yes
Radio
K1
No
K15s
No
USB
K1
microUSB 2.0, OTG
K15s
USB Type-C 2.0, OTG
Infrared port
K1
-
K15s
Yes
Sensors
K1
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
K1
Li-Ion 3600 mAh, non-removable
K15s
Si/C Li-Ion 8000 mAh
Charging
K1
10W wired
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
Colors
K1
Blue, Red, Silver Green
K15s
Gray, Purple
Models
K1
PBCM30
K15s
PYE130
Price
K1
About 210 EUR
K15s
About 270 EUR