Screen size
K15xWinner: 6.8"+72%
Watch 21.9"
Quick verdict
K15x leads the measured specs 18-2.
Measured wins
K15x
18
spec wins
Overall winner
Ties
2
equal specs
Watch 2
2
spec wins
Screen size
Technology
K15x
GSM / HSPA / LTE / 5G
Watch 2
HSPA / LTE
2G bands
K15x
GSM 850 / 900 / 1800 / 1900
Watch 2
N/A
3G bands
K15x
HSDPA 850 / 900 / 2100
Watch 2
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 2
1, 3, 5, 8, 34, 38, 39, 40, 41 - China
5G bands
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Watch 2
-
Speed
K15x
HSPA, LTE, 5G
Watch 2
HSPA, LTE
Announced
K15x
2026, October 02
Watch 2
2021, July 27
Status
K15x
Available. Released 2026, October 02
Watch 2
Available. Released 2021, July 27
Dimensions
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Watch 2
46.4 x 38.5 x 11.6 mm (1.83 x 1.52 x 0.46 in)
Weight
K15x
212 g (7.48 oz)
Watch 2
35 g (46mm) / 31 g (42mm) (1.09 oz)
Build
K15x
Glass front, plastic frame, plastic back
Watch 2
Glass front, aluminum frame
SIM
K15x
Nano-SIM + Nano-SIM
Watch 2
eSIM (market/region dependent)
Other
K15x
IP64 dust tight and water resistant (water splashes)
Watch 2
5ATM water resistant
Type
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Watch 2
AMOLED
Size
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Watch 2
1.91 inches
Resolution
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Watch 2
402 x 476 pixels (~326 ppi density)
OS
K15x
Android 16, ColorOS 16
Watch 2
Android Wear OS - InternationalColorOS Watch 2.0 - China
Chipset
K15x
Mediatek Dimensity 6300 (6 nm)
Watch 2
Qualcomm Snapdragon Wear 4100 (12 nm)
CPU
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Watch 2
Quad-core 1.7 GHz Cortex-A53
GPU
K15x
Mali-G57 MC2
Watch 2
Adreno 504
Card slot
K15x
microSDXC
Watch 2
No
Internal
K15x
128GB 6GB RAM, 256GB 6GB RAM
Watch 2
8GB 1GB RAM
Other
K15x
UFS 2.2
Watch 2
eMMC 4.5
Dual
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Watch 2
-
Features
K15x
LED flash, HDR, panorama
Watch 2
-
Video
K15x
1080p@30/60fps
Watch 2
-
Single
K15x
5 MP, f/2.2, 27mm (wide)
Watch 2
-
Features
K15x
Panorama
Watch 2
-
Video
K15x
1080p@30fps
Watch 2
-
Loudspeaker
K15x
Yes
Watch 2
Yes
3.5mm jack
K15x
Yes
Watch 2
No
WLAN
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Watch 2
Wi-Fi 802.11 b/g/n
Bluetooth
K15x
5.4, A2DP, LE, aptX HD
Watch 2
5.0, A2DP, LE
Positioning
K15x
GPS, GALILEO, GLONASS, QZSS
Watch 2
GPS, GLONASS, GALILEO, BDS
NFC
K15x
Yes
Watch 2
Yes
Radio
K15x
No
Watch 2
No
USB
K15x
USB Type-C 2.0, OTG
Watch 2
No
Sensors
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Watch 2
Accelerometer, gyro, heart rate, compass, barometer, SpO2
Type
K15x
6500 mAh
Watch 2
Li-Ion 510 mAh
Charging
K15x
45W wired 5W reverse wired
Watch 2
-
Colors
K15x
Purple, White
Watch 2
Star Blue, Platinum Black, Rose Gold
Models
K15x
PLT150
Watch 2
OW20W2
Price
K15x
About 230 EUR
Watch 2
About 170 EUR
Other
K15x
-
Watch 2
No