Screen size
F76.2"
K15xWinner: 6.8"+7.7%
Quick verdict
K15x leads the measured specs 13-6.
Measured wins
F7
6
spec wins
Ties
3
equal specs
K15x
13
spec wins
Overall winner
Screen size
Technology
F7
GSM / HSPA / LTE
K15x
GSM / HSPA / LTE / 5G
2G bands
F7
GSM 850 / 900 / 1800 / 1900
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
F7
HSDPA 850 / 900 / 2100
K15x
HSDPA 850 / 900 / 2100
4G bands
F7
1, 3, 5, 8, 38, 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
USB
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
F7
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps
K15x
HSPA, LTE, 5G
5G bands
F7
-
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Announced
F7
2018, March. Released 2018, April
K15x
2026, October 02
Status
F7
Discontinued
K15x
Available. Released 2026, October 02
Dimensions
F7
156 x 75.3 x 7.8 mm (6.14 x 2.96 x 0.31 in)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
F7
158 g (5.57 oz)
K15x
212 g (7.48 oz)
Build
F7
Glass front (Gorilla Glass 5), plastic back, plastic frame
K15x
Glass front, plastic frame, plastic back
SIM
F7
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Other
F7
-
K15x
IP64 dust tight and water resistant (water splashes)
Type
F7
IPS LCD
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
F7
6.23 inches, 96.9 cm2 (~82.5% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
F7
1080 x 2280 pixels, 19:9 ratio (~405 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Protection
F7
Corning Gorilla Glass 5
K15x
-
OS
F7
Android 8.1 (Oreo), ColorOS 5
K15x
Android 16, ColorOS 16
Chipset
F7
Mediatek MT6771 Helio P60 (12 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
F7
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
F7
Mali-G72 MP3
K15x
Mali-G57 MC2
Card slot
F7
microSDXC (dedicated slot)
K15x
microSDXC
Internal
F7
64GB 4GB RAM, 128GB 6GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
F7
eMMC 5.1
K15x
UFS 2.2
Single
F7
16 MP, f/1.8, PDAF
K15x
-
Features
F7
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
F7
1080p@30fps
K15x
1080p@30/60fps
Dual
F7
-
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Single
F7
25 MP, f/2.0, 1/2.8", 0.9µm
K15x
5 MP, f/2.2, 27mm (wide)
Video
F7
1080p@30fps
K15x
1080p@30fps
Features
F7
-
K15x
Panorama
Loudspeaker
F7
Yes
K15x
Yes
3.5mm jack
F7
Yes
K15x
Yes
WLAN
F7
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
F7
4.2, A2DP, LE
K15x
5.4, A2DP, LE, aptX HD
Positioning
F7
GPS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
F7
No
K15x
Yes
Radio
F7
FM radio
K15x
No
USB
F7
microUSB 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
F7
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
F7
Li-Ion 3400 mAh, non-removable
K15x
6500 mAh
Charging
F7
-
K15x
45W wired 5W reverse wired
Colors
F7
Solar Red, Diamond Black, Moonlight Silver
K15x
Purple, White
Models
F7
CPH1819, CPH1821, 1821, CPH1821EX
K15x
PLT150
Price
F7
About 270 EUR
K15x
About 230 EUR