Screen size
K15xWinner: 6.8"+3.7%
K36.5"
Quick verdict
K15x leads the measured specs 13-5.
Measured wins
K15x
13
spec wins
Overall winner
Ties
4
equal specs
K3
5
spec wins
Screen size
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
Stereo speakers
Technology
K15x
GSM / HSPA / LTE / 5G
K3
GSM / CDMA / HSPA / LTE
2G bands
K15x
GSM 850 / 900 / 1800 / 1900
K3
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
K15x
HSDPA 850 / 900 / 2100
K3
HSDPA 850 / 900 / 1900 / 2100
4G bands
K15x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
K3
1, 3, 4, 5, 8, 38, 39, 40, 41
5G bands
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
K3
-
Speed
K15x
HSPA, LTE, 5G
K3
HSPA, LTE
Announced
K15x
2026, October 02
K3
2019, May. Released 2019, May
Status
K15x
Available. Released 2026, October 02
K3
Discontinued
Dimensions
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
K3
161.2 x 76 x 9.4 mm (6.35 x 2.99 x 0.37 in)
Weight
K15x
212 g (7.48 oz)
K3
191 g (6.74 oz)
Build
K15x
Glass front, plastic frame, plastic back
K3
Glass front (Gorilla Glass 5), plastic back, plastic frame
SIM
K15x
Nano-SIM + Nano-SIM
K3
Nano-SIM + Nano-SIM
Other
K15x
IP64 dust tight and water resistant (water splashes)
K3
-
Type
K15x
IPS LCD, 120Hz, 1125 nits (peak)
K3
AMOLED
Size
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
K3
6.5 inches, 104.8 cm2 (~85.5% screen-to-body ratio)
Resolution
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
K3
1080 x 2340 pixels, 19.5:9 ratio (~394 ppi density)
Protection
K15x
-
K3
Corning Gorilla Glass 5
OS
K15x
Android 16, ColorOS 16
K3
Android 9.0 (Pie), ColorOS 6
Chipset
K15x
Mediatek Dimensity 6300 (6 nm)
K3
Qualcomm SDM710 Snapdragon 710 (10 nm)
CPU
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
K3
Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU
K15x
Mali-G57 MC2
K3
Adreno 616
Card slot
K15x
microSDXC
K3
No
Internal
K15x
128GB 6GB RAM, 256GB 6GB RAM
K3
64GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
K15x
UFS 2.2
K3
UFS 2.1
Dual
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
K3
16 MP, f/1.7, 1/2.5", 1.12µm, PDAF Auxiliary lens
Features
K15x
LED flash, HDR, panorama
K3
LED flash, HDR, panorama
Video
K15x
1080p@30/60fps
K3
4K@30fps, 1080p@30/120fps, gyro-EIS
Single
K15x
5 MP, f/2.2, 27mm (wide)
K3
Motorized pop-up 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Features
K15x
Panorama
K3
HDR
Video
K15x
1080p@30fps
K3
1080p@30fps
Loudspeaker
K15x
Yes
K3
Yes
3.5mm jack
K15x
Yes
K3
Yes
WLAN
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
K3
Wi-Fi 802.11 а/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
K15x
5.4, A2DP, LE, aptX HD
K3
5.0, A2DP, LE, aptX HD
Positioning
K15x
GPS, GALILEO, GLONASS, QZSS
K3
GPS, GLONASS, BDS
NFC
K15x
Yes
K3
No
Radio
K15x
No
K3
FM radio
USB
K15x
USB Type-C 2.0, OTG
K3
USB Type-C 2.0, OTG
Sensors
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
K3
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
K15x
6500 mAh
K3
Li-Po 3765 mAh, non-removable
Charging
K15x
45W wired 5W reverse wired
K3
20W wired
Colors
K15x
Purple, White
K3
Black, Nebula Purple, Morning White
Models
K15x
PLT150
K3
CPH1955, PCGM00
Price
K15x
About 230 EUR
K3
About 210 EUR