Screen size
F1s5.5"
K14xWinner: 6.8"+19%
Quick verdict
K14x leads the measured specs 13-4.
Measured wins
F1s
4
spec wins
Ties
4
equal specs
K14x
13
spec wins
Overall winner
Screen size
Technology
F1s
GSM / HSPA / LTE
K14x
GSM / HSPA / LTE / 5G
2G bands
F1s
GSM 850 / 900 / 1800 / 1900
K14x
GSM 850 / 900 / 1800 / 1900
3G bands
F1s
HSDPA 850 / 900 / 2100
K14x
HSDPA 900 / 2100
4G bands
F1s
1, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41 - Global, 1, 3, 5, 40 - India
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
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
K14x
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
Speed
F1s
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps or LTE Cat4 150/50 Mbps
K14x
HSPA, LTE, 5G
5G bands
F1s
-
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
F1s
2016, August 03. Released 2016, August
K14x
2026, February 10
Status
F1s
Discontinued
K14x
Released Feb 16, 2026
Dimensions
F1s
154.5 x 76 x 7.4 mm (6.08 x 2.99 x 0.29 in)
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
F1s
160 g (5.64 oz)
K14x
212 g (7.48 oz)
Build
F1s
Glass front (Gorilla Glass 4), aluminum back, aluminum frame
K14x
Glass front, plastic frame, plastic back
SIM
F1s
Nano-SIM + Nano-SIM
K14x
Nano-SIM + Nano-SIM
Other
F1s
-
K14x
IP64 dust tight and water resistant (water splashes)
Type
F1s
IPS LCD
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
Size
F1s
5.5 inches, 83.4 cm2 (~71.0% screen-to-body ratio)
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
F1s
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Protection
F1s
Corning Gorilla Glass 4
K14x
-
OS
F1s
Android 5.1 (Lollipop), upgradable to 6.0 (Marshmallow), ColorOS 3
K14x
Android 15, ColorOS 15
Chipset
F1s
Mediatek MT6755 (28 nm) or MTK7650 (28 nm)
K14x
Mediatek Dimensity 6300 (6 nm)
CPU
F1s
Octa-core 1.5 GHz Cortex-A53
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
F1s
Mali-T860MP2
K14x
Mali-G57 MC2
Card slot
F1s
microSDXC (dedicated slot)
K14x
microSDXC
Internal
F1s
32GB 3GB RAM, 64GB 4GB RAM
K14x
128GB 4GB RAM, 128GB 6GB RAM
Other
F1s
eMMC 5.1
K14x
UFS 2.2
Single
F1s
13 MP, f/2.2, 1/3.0", PDAF
K14x
-
Features
F1s
LED flash, panorama, HDR
K14x
LED flash, HDR, panorama
Video
F1s
1080p@30fps
K14x
1080p@30/60fps
Dual
F1s
-
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
F1s
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
K14x
5 MP, f/2.2, (wide)
Video
F1s
1080p@30fps
K14x
1080p@30fps
Features
F1s
-
K14x
Panorama
Loudspeaker
F1s
Yes
K14x
Yes
3.5mm jack
F1s
Yes
K14x
Yes
WLAN
F1s
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
F1s
4.0, A2DP
K14x
5.4, A2DP, LE, aptX HD
Positioning
F1s
GPS
K14x
GPS, GALILEO, GLONASS, QZSS
NFC
F1s
No
K14x
No
Radio
F1s
FM radio
K14x
Unspecified
USB
F1s
microUSB 2.0, OTG
K14x
USB Type-C 2.0, OTG
Sensors
F1s
Fingerprint (front-mounted), accelerometer, proximity, compass
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
F1s
Li-Po 3075 mAh, non-removable
K14x
6500 mAh
Charging
F1s
-
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
F1s
Gold, Rose Gold, Gray
K14x
Prism Violet, Icy Blue
Models
F1s
A1601
K14x
CPH2871
SAR
F1s
0.31 W/kg (head) 0.36 W/kg (body)
K14x
1.14 W/kg (head) 0.89 W/kg (body)
SAR EU
F1s
1.60 W/kg (head) 1.05 W/kg (body)
K14x
-
Price
F1s
About 150 EUR
K14x
About 140 EUR