Screen size
Quick verdict
K14x leads the measured specs 11-5.
Measured wins
F7 Youth
5
spec wins
Ties
5
equal specs
K14x
11
spec wins
Overall winner
Screen size
Technology
F7 Youth
GSM / HSPA / LTE
K14x
GSM / HSPA / LTE / 5G
2G bands
F7 Youth
GSM 850 / 900 / 1800 / 1900
K14x
GSM 850 / 900 / 1800 / 1900
3G bands
F7 Youth
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - Taiwan, HSDPA 850 / 900 / 2100 - Asia Pacific
K14x
HSDPA 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
equal specsStorage
Main 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
F7 Youth
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps
K14x
HSPA, LTE, 5G
5G bands
F7 Youth
-
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
F7 Youth
2018, May. Released 2018, June
K14x
2026, February 10
Status
F7 Youth
Discontinued
K14x
Released Feb 16, 2026
Dimensions
F7 Youth
156.5 x 75.2 x 7.8 mm (6.16 x 2.96 x 0.31 in)
K14x
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)
K14x
212 g (7.48 oz)
SIM
F7 Youth
Nano-SIM + Nano-SIM
K14x
Nano-SIM + Nano-SIM
Build
F7 Youth
-
K14x
Glass front, plastic frame, plastic back
Other
F7 Youth
-
K14x
IP64 dust tight and water resistant (water splashes)
Type
F7 Youth
IPS LCD
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
Size
F7 Youth
6.0 inches, 92.9 cm2 (~78.9% screen-to-body ratio)
K14x
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)
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
F7 Youth
Android 8.1 (Oreo), ColorOS 5.2
K14x
Android 15, ColorOS 15
Chipset
F7 Youth
Mediatek MT6771 Helio P60 (12 nm)
K14x
Mediatek Dimensity 6300 (6 nm)
CPU
F7 Youth
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
F7 Youth
Mali-G72 MP3
K14x
Mali-G57 MC2
Card slot
F7 Youth
microSDXC (dedicated slot)
K14x
microSDXC
Internal
F7 Youth
64GB 4GB RAM
K14x
128GB 4GB RAM, 128GB 6GB RAM
Other
F7 Youth
eMMC 5.1
K14x
UFS 2.2
Single
F7 Youth
13 MP, f/2.2, PDAF
K14x
-
Features
F7 Youth
LED flash, HDR, panorama
K14x
LED flash, HDR, panorama
Video
F7 Youth
1080p@30fps
K14x
1080p@30/60fps
Dual
F7 Youth
-
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
F7 Youth
8 MP, f/2.2
K14x
5 MP, f/2.2, (wide)
Video
F7 Youth
K14x
1080p@30fps
Features
F7 Youth
-
K14x
Panorama
Loudspeaker
F7 Youth
Yes
K14x
Yes
3.5mm jack
F7 Youth
Yes
K14x
Yes
WLAN
F7 Youth
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
F7 Youth
4.2, A2DP, LE
K14x
5.4, A2DP, LE, aptX HD
Positioning
F7 Youth
GPS
K14x
GPS, GALILEO, GLONASS, QZSS
NFC
F7 Youth
No
K14x
No
Radio
F7 Youth
FM radio
K14x
Unspecified
USB
F7 Youth
microUSB 2.0, OTG
K14x
USB Type-C 2.0, OTG
Sensors
F7 Youth
Accelerometer, proximity, compass
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
F7 Youth
Li-Ion 3410 mAh, non-removable
K14x
6500 mAh
Charging
F7 Youth
-
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
F7 Youth
Solar Red, Diamond Black
K14x
Prism Violet, Icy Blue
Price
F7 Youth
About 250 EUR
K14x
About 140 EUR
Models
F7 Youth
-
K14x
CPH2871
SAR
F7 Youth
-
K14x
1.14 W/kg (head) 0.89 W/kg (body)