Screen size
F7 Youth6.0"
K15xWinner: 6.8"+11%
Quick verdict
K15x leads the measured specs 13-5.
Measured wins
F7 Youth
5
spec wins
Ties
4
equal specs
K15x
13
spec wins
Overall winner
Screen size
Technology
F7 Youth
GSM / HSPA / LTE
K15x
GSM / HSPA / LTE / 5G
2G bands
F7 Youth
GSM 850 / 900 / 1800 / 1900
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
F7 Youth
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - Taiwan, HSDPA 850 / 900 / 2100 - Asia Pacific
K15x
HSDPA 850 / 900 / 2100
4G bands
F7 Youth
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 41 - Taiwan, 1, 3, 5, 7, 8, 38, 40, 41 - Asia Pacific
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
F7 Youth
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps
K15x
HSPA, LTE, 5G
5G bands
F7 Youth
-
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Announced
F7 Youth
2018, May. Released 2018, June
K15x
2026, October 02
Status
F7 Youth
Discontinued
K15x
Available. Released 2026, October 02
Dimensions
F7 Youth
156.5 x 75.2 x 7.8 mm (6.16 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 Youth
155 g (5.47 oz)
K15x
212 g (7.48 oz)
SIM
F7 Youth
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Build
F7 Youth
-
K15x
Glass front, plastic frame, plastic back
Other
F7 Youth
-
K15x
IP64 dust tight and water resistant (water splashes)
Type
F7 Youth
IPS LCD
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
F7 Youth
6.0 inches, 92.9 cm2 (~78.9% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
F7 Youth
1080 x 2160 pixels, 18:9 ratio (~402 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
F7 Youth
Android 8.1 (Oreo), ColorOS 5.2
K15x
Android 16, ColorOS 16
Chipset
F7 Youth
Mediatek MT6771 Helio P60 (12 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
F7 Youth
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 Youth
Mali-G72 MP3
K15x
Mali-G57 MC2
Card slot
F7 Youth
microSDXC (dedicated slot)
K15x
microSDXC
Internal
F7 Youth
64GB 4GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
F7 Youth
eMMC 5.1
K15x
UFS 2.2
Single
F7 Youth
13 MP, f/2.2, PDAF
K15x
-
Features
F7 Youth
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
F7 Youth
1080p@30fps
K15x
1080p@30/60fps
Dual
F7 Youth
-
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Single
F7 Youth
8 MP, f/2.2
K15x
5 MP, f/2.2, 27mm (wide)
Video
F7 Youth
K15x
1080p@30fps
Features
F7 Youth
-
K15x
Panorama
Loudspeaker
F7 Youth
Yes
K15x
Yes
3.5mm jack
F7 Youth
Yes
K15x
Yes
WLAN
F7 Youth
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
F7 Youth
4.2, A2DP, LE
K15x
5.4, A2DP, LE, aptX HD
Positioning
F7 Youth
GPS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
F7 Youth
No
K15x
Yes
Radio
F7 Youth
FM radio
K15x
No
USB
F7 Youth
microUSB 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
F7 Youth
Accelerometer, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
F7 Youth
Li-Ion 3410 mAh, non-removable
K15x
6500 mAh
Charging
F7 Youth
-
K15x
45W wired 5W reverse wired
Colors
F7 Youth
Solar Red, Diamond Black
K15x
Purple, White
Price
F7 Youth
About 250 EUR
K15x
About 230 EUR
Models
F7 Youth
-
K15x
PLT150