Screen size
K16.4"
K15xWinner: 6.8"+5.2%
Quick verdict
K15x leads the measured specs 12-6.
Measured wins
K1
6
spec wins
Ties
4
equal specs
K15x
12
spec wins
Overall winner
Screen size
Technology
K1
GSM / HSPA / LTE
K15x
GSM / HSPA / LTE / 5G
2G bands
K1
GSM 850 / 900 / 1800 / 1900
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
K1
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
K15x
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
equal specsSD card
equal specsStereo speakers
K15x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
Speed
K1
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/50 Mbps
K15x
HSPA, LTE, 5G
5G bands
K1
-
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Announced
K1
2018, October. Released 2018, October
K15x
2026, October 02
Status
K1
Discontinued
K15x
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)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
K1
156 g (5.50 oz)
K15x
212 g (7.48 oz)
Build
K1
Glass front (Gorilla Glass 5), plastic back, plastic frame
K15x
Glass front, plastic frame, plastic back
SIM
K1
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Other
K1
-
K15x
IP64 dust tight and water resistant (water splashes)
Type
K1
Super AMOLED
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
K1
6.4 inches, 101.0 cm2 (~84.5% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
K1
1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Protection
K1
Corning Gorilla Glass 5
K15x
-
OS
K1
Android 8.1 (Oreo), ColorOS 5.2
K15x
Android 16, ColorOS 16
Chipset
K1
Qualcomm SDM660 Snapdragon 660 (14 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
K1
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
K1
Adreno 512
K15x
Mali-G57 MC2
Card slot
K1
microSDXC (dedicated slot)
K15x
microSDXC
Internal
K1
64GB 4GB RAM, 64GB 6GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
K1
eMMC 5.1
K15x
UFS 2.2
Dual
K1
16 MP, f/1.8, 1/2.8", 1.12µm, PDAF Auxiliary lens
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Features
K1
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
K1
4K@30fps, 1080p@30fps
K15x
1080p@30/60fps
Single
K1
25 MP, f/2.0, 1/2.8", 0.9µm
K15x
5 MP, f/2.2, 27mm (wide)
Features
K1
HDR
K15x
Panorama
Video
K1
1080p@30fps
K15x
1080p@30fps
Loudspeaker
K1
Yes
K15x
Yes
3.5mm jack
K1
Yes
K15x
Yes
WLAN
K1
Wi-Fi 802.11 а/b/g/n/ac, dual-band, Wi-Fi Direct
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
K1
5.0, A2DP, LE
K15x
5.4, A2DP, LE, aptX HD
Positioning
K1
GPS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
K1
No
K15x
Yes
Radio
K1
No
K15x
No
USB
K1
microUSB 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
K1
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
K1
Li-Ion 3600 mAh, non-removable
K15x
6500 mAh
Charging
K1
10W wired
K15x
45W wired 5W reverse wired
Colors
K1
Blue, Red, Silver Green
K15x
Purple, White
Models
K1
PBCM30
K15x
PLT150
Price
K1
About 210 EUR
K15x
About 230 EUR