Screen size
K15xWinner: 6.8"+74%
Watch SE1.8"
Quick verdict
K15x leads the measured specs 18-2.
Measured wins
K15x
18
spec wins
Overall winner
Ties
2
equal specs
Watch SE
2
spec wins
Screen size
Technology
K15x
GSM / HSPA / LTE / 5G
Watch SE
HSPA / LTE
2G bands
K15x
GSM 850 / 900 / 1800 / 1900
Watch SE
N/A
3G bands
K15x
HSDPA 850 / 900 / 2100
Watch SE
HSDPA 850 / 900 / 2100
4G bands
K15x
1, 3, 5, 8, 28, 34, 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
5G support
NFC
equal specs3.5mm jack
SD card
Stereo speakers
Watch SE
LTE
5G bands
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Watch SE
-
Speed
K15x
HSPA, LTE, 5G
Watch SE
HSPA, LTE
Announced
K15x
2026, October 02
Watch SE
2023, August 29
Status
K15x
Available. Released 2026, October 02
Watch SE
Available. Released 2023, September
Dimensions
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Watch SE
43 x 37 x 11.7 mm (1.69 x 1.46 x 0.46 in)
Weight
K15x
212 g (7.48 oz)
Watch SE
31 g (1.09 oz)
Build
K15x
Glass front, plastic frame, plastic back
Watch SE
-
SIM
K15x
Nano-SIM + Nano-SIM
Watch SE
eSIM (market/region dependent)
Other
K15x
IP64 dust tight and water resistant (water splashes)
Watch SE
5ATM water resistant
Type
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Watch SE
AMOLED
Size
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Watch SE
1.75 inches
Resolution
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Watch SE
372 x 430 pixels (~325 ppi density)
OS
K15x
Android 16, ColorOS 16
Watch SE
ColorOS Watch 3.0 - China
Chipset
K15x
Mediatek Dimensity 6300 (6 nm)
Watch SE
Qualcomm Snapdragon Wear 4100 (12 nm)
CPU
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Watch SE
Quad-core 1.7 GHz Cortex-A53
GPU
K15x
Mali-G57 MC2
Watch SE
Adreno 504
Card slot
K15x
microSDXC
Watch SE
No
Internal
K15x
128GB 6GB RAM, 256GB 6GB RAM
Watch SE
8GB 1GB RAM
Other
K15x
UFS 2.2
Watch SE
-
Dual
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Watch SE
-
Features
K15x
LED flash, HDR, panorama
Watch SE
-
Video
K15x
1080p@30/60fps
Watch SE
-
Single
K15x
5 MP, f/2.2, 27mm (wide)
Watch SE
-
Features
K15x
Panorama
Watch SE
-
Video
K15x
1080p@30fps
Watch SE
-
Loudspeaker
K15x
Yes
Watch SE
Yes
3.5mm jack
K15x
Yes
Watch SE
No
WLAN
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Watch SE
Wi-Fi 802.11 b/g/n
Bluetooth
K15x
5.4, A2DP, LE, aptX HD
Watch SE
5.0, A2DP, LE
Positioning
K15x
GPS, GALILEO, GLONASS, QZSS
Watch SE
GPS, GLONASS, GALILEO, BDS
NFC
K15x
Yes
Watch SE
Yes
Radio
K15x
No
Watch SE
No
USB
K15x
USB Type-C 2.0, OTG
Watch SE
No
Sensors
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Watch SE
Accelerometer, gyro, heart rate, compass, barometer, SpO2
Type
K15x
6500 mAh
Watch SE
Li-Ion 400 mAh
Charging
K15x
45W wired 5W reverse wired
Watch SE
-
Colors
K15x
Purple, White
Watch SE
Gray, Purple, Brown
Models
K15x
PLT150
Watch SE
-
Price
K15x
About 230 EUR
Watch SE
About 130 EUR
Other
K15x
-
Watch SE
No