Screen size
K14xWinner: 6.8"+13%
U35.9"
Quick verdict
K14x leads the measured specs 12-5.
Measured wins
K14x
12
spec wins
Overall winner
Ties
4
equal specs
U3
5
spec wins
Screen size
Technology
K14x
GSM / HSPA / LTE / 5G
U3
GSM / LTE
2G bands
K14x
GSM 850 / 900 / 1800 / 1900
U3
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
K14x
HSDPA 900 / 2100
U3
TD-SCDMA
4G bands
K14x
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
U3
38, 39, 40, 41
5G bands
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
U3
-
Speed
K14x
HSPA, LTE, 5G
U3
HSPA, LTE
GPRS
K14x
-
U3
Yes
EDGE
K14x
-
U3
Yes
Announced
K14x
2026, February 10
U3
2015, January. Released 2015, April
Status
K14x
Released Feb 16, 2026
U3
Discontinued
Dimensions
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
U3
156.8 x 81 x 8 mm (6.17 x 3.19 x 0.31 in)
Weight
K14x
212 g (7.48 oz)
U3
195 g (6.88 oz)
Build
K14x
Glass front, plastic frame, plastic back
U3
-
SIM
K14x
Nano-SIM + Nano-SIM
U3
Nano-SIM + Micro-SIM
Other
K14x
IP64 dust tight and water resistant (water splashes)
U3
-
Type
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
U3
IPS LCD
Size
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
U3
5.9 inches, 93.9 cm2 (~74.0% screen-to-body ratio)
Resolution
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
U3
1080 x 1920 pixels, 16:9 ratio (~377 ppi density)
OS
K14x
Android 15, ColorOS 15
U3
Android 4.4.4 (KitKat), ColorOS 2
Chipset
K14x
Mediatek Dimensity 6300 (6 nm)
U3
Mediatek MT6752 (28 nm)
CPU
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
U3
Octa-core 1.7 GHz Cortex-A53
GPU
K14x
Mali-G57 MC2
U3
Mali-T760MP2
Card slot
K14x
microSDXC
U3
microSDHC (dedicated slot)
Internal
K14x
128GB 4GB RAM, 128GB 6GB RAM
U3
16GB 2GB RAM
Other
K14x
UFS 2.2
U3
-
Dual
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
U3
-
Features
K14x
LED flash, HDR, panorama
U3
LED flash, HDR, panorama
Video
K14x
1080p@30/60fps
U3
1080p@30fps
Single
K14x
-
U3
13 MP, AF
Single
K14x
5 MP, f/2.2, (wide)
U3
5 MP
Features
K14x
Panorama
U3
LED flash
Video
K14x
1080p@30fps
U3
1080p@30fps
Loudspeaker
K14x
Yes
U3
Yes
3.5mm jack
K14x
Yes
U3
Yes
WLAN
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
U3
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
K14x
5.4, A2DP, LE, aptX HD
U3
4.0, A2DP
Positioning
K14x
GPS, GALILEO, GLONASS, QZSS
U3
GPS
NFC
K14x
No
U3
Yes
Radio
K14x
Unspecified
U3
No
USB
K14x
USB Type-C 2.0, OTG
U3
microUSB 2.0
Sensors
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
U3
Accelerometer, proximity, compass
Type
K14x
6500 mAh
U3
Li-Ion 3000 mAh, non-removable
Charging
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
U3
20W wired, 75% in 30 min
Stand-by
K14x
-
U3
Up to 400 h (3G)
Talk time
K14x
-
U3
Up to 10 h (3G)
Colors
K14x
Prism Violet, Icy Blue
U3
White, Black
Models
K14x
CPH2871
U3
-
SAR
K14x
1.14 W/kg (head) 0.89 W/kg (body)
U3
-
Price
K14x
About 140 EUR
U3
-