Screen size
F156.4"
K14xWinner: 6.8"+5.2%
Quick verdict
K14x leads the measured specs 10-5.
Measured wins
F15
5
spec wins
Ties
6
equal specs
K14x
10
spec wins
Overall winner
Screen size
Technology
F15
GSM / HSPA / LTE
K14x
GSM / HSPA / LTE / 5G
2G bands
F15
GSM 850 / 900 / 1800 / 1900
K14x
GSM 850 / 900 / 1800 / 1900
3G bands
F15
HSDPA 850 / 900 / 2100
K14x
HSDPA 900 / 2100
4G bands
F15
1, 3, 5, 8, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
K14x
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
Speed
F15
HSPA, LTE
K14x
HSPA, LTE, 5G
5G bands
F15
-
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
F15
2020, January 16. Released 2020, January
K14x
2026, February 10
Status
F15
Discontinued
K14x
Released Feb 16, 2026
Dimensions
F15
160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in)
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
F15
172 g (6.07 oz)
K14x
212 g (7.48 oz)
Build
F15
Glass front (Gorilla Glass 5), plastic back, plastic frame
K14x
Glass front, plastic frame, plastic back
SIM
F15
Nano-SIM + Nano-SIM
K14x
Nano-SIM + Nano-SIM
Other
F15
-
K14x
IP64 dust tight and water resistant (water splashes)
Type
F15
AMOLED, 430 nits (typ)
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
Size
F15
6.4 inches, 100.4 cm2 (~85.5% screen-to-body ratio)
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
F15
1080 x 2400 pixels, 20:9 ratio (~408 ppi density)
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Protection
F15
Corning Gorilla Glass 5
K14x
-
OS
F15
Android 9.0 (Pie), upgradable to Android 11, ColorOS 11.1
K14x
Android 15, ColorOS 15
Chipset
F15
Mediatek MT6771V Helio P70 (12 nm)
K14x
Mediatek Dimensity 6300 (6 nm)
CPU
F15
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
F15
Mali-G72 MP3
K14x
Mali-G57 MC2
Card slot
F15
microSDXC (dedicated slot)
K14x
microSDXC
Internal
F15
128GB 4GB RAM, 128GB 8GB RAM
K14x
128GB 4GB RAM, 128GB 6GB RAM
Other
F15
UFS 2.1
K14x
UFS 2.2
Quad
F15
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.3, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP B/W, f/2.4, 1/5.0", 1.75µm Auxiliary lens
K14x
-
Features
F15
LED flash, HDR, panorama
K14x
LED flash, HDR, panorama
Video
F15
1080p@30fps, gyro-EIS
K14x
1080p@30/60fps
Dual
F15
-
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
F15
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
K14x
5 MP, f/2.2, (wide)
Features
F15
HDR
K14x
Panorama
Video
F15
1080p@30fps
K14x
1080p@30fps
Loudspeaker
F15
Yes
K14x
Yes
3.5mm jack
F15
Yes
K14x
Yes
WLAN
F15
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
F15
4.2, A2DP, LE
K14x
5.4, A2DP, LE, aptX HD
Positioning
F15
GPS, GLONASS, BDS
K14x
GPS, GALILEO, GLONASS, QZSS
NFC
F15
No
K14x
No
Radio
F15
FM radio
K14x
Unspecified
USB
F15
USB Type-C 2.0, OTG
K14x
USB Type-C 2.0, OTG
Sensors
F15
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
F15
Li-Po 4025 mAh
K14x
6500 mAh
Charging
F15
20W wired, 50% in 30 min
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
F15
Lightening Black, Unicorn White
K14x
Prism Violet, Icy Blue
Models
F15
CPH2001
K14x
CPH2871
SAR
F15
1.20 W/kg (head) 0.55 W/kg (body)
K14x
1.14 W/kg (head) 0.89 W/kg (body)
Price
F15
About 250 EUR
K14x
About 140 EUR