Screen size
F5 Youth6.0"
K15xWinner: 6.8"+11%
Quick verdict
K15x leads the measured specs 12-6.
Measured wins
F5 Youth
6
spec wins
Ties
4
equal specs
K15x
12
spec wins
Overall winner
Screen size
Technology
F5 Youth
GSM / HSPA / LTE
K15x
GSM / HSPA / LTE / 5G
2G bands
F5 Youth
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
F5 Youth
HSDPA 850 / 900 / 1900 / 2100
K15x
HSDPA 850 / 900 / 2100
4G bands
F5 Youth
1, 2, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront 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
F5 Youth
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
K15x
HSPA, LTE, 5G
5G bands
F5 Youth
-
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Announced
F5 Youth
2017, November. Released 2017, December
K15x
2026, October 02
Status
F5 Youth
Discontinued
K15x
Available. Released 2026, October 02
Dimensions
F5 Youth
156.5 x 76 x 7.5 mm (6.16 x 2.99 x 0.30 in)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
F5 Youth
152 g (5.36 oz)
K15x
212 g (7.48 oz)
Build
F5 Youth
Glass front, aluminum back, aluminum frame
K15x
Glass front, plastic frame, plastic back
SIM
F5 Youth
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Other
F5 Youth
-
K15x
IP64 dust tight and water resistant (water splashes)
Type
F5 Youth
IPS LCD
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
F5 Youth
6.0 inches, 92.9 cm2 (~78.1% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
F5 Youth
1080 x 2160 pixels, 18:9 ratio (~402 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
F5 Youth
Android 7.1 (Nougat), ColorOS 3.2
K15x
Android 16, ColorOS 16
Chipset
F5 Youth
Mediatek MT6763T Helio P23 (16 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
F5 Youth
Octa-core 2.5 GHz Cortex-A53
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
F5 Youth
Mali-G71 MP2
K15x
Mali-G57 MC2
Card slot
F5 Youth
microSDXC (dedicated slot)
K15x
microSDXC
Internal
F5 Youth
32GB 3GB RAM, 32GB 4GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
F5 Youth
eMMC 5.1
K15x
UFS 2.2
Single
F5 Youth
13 MP, f/2.2, 28mm (wide), 1/3.32", 1.0µm, PDAF
K15x
-
Features
F5 Youth
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
F5 Youth
1080p@30fps
K15x
1080p@30/60fps
Dual
F5 Youth
-
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Single
F5 Youth
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
K15x
5 MP, f/2.2, 27mm (wide)
Video
F5 Youth
1080p@30fps
K15x
1080p@30fps
Features
F5 Youth
-
K15x
Panorama
Loudspeaker
F5 Youth
Yes
K15x
Yes
3.5mm jack
F5 Youth
Yes
K15x
Yes
WLAN
F5 Youth
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
F5 Youth
4.2, A2DP, LE
K15x
5.4, A2DP, LE, aptX HD
Positioning
F5 Youth
GPS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
F5 Youth
No
K15x
Yes
Radio
F5 Youth
FM radio
K15x
No
USB
F5 Youth
microUSB 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
F5 Youth
Fingerprint (rear-mounted), accelerometer, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
F5 Youth
Li-Ion 3200 mAh, non-removable
K15x
6500 mAh
Charging
F5 Youth
-
K15x
45W wired 5W reverse wired
Colors
F5 Youth
Gold, Black
K15x
Purple, White
Models
F5 Youth
CPH1725
K15x
PLT150
Price
F5 Youth
About 280 EUR
K15x
About 230 EUR