Screen size
A1 (2018)5.7"
K14xWinner: 6.8"+16%
Quick verdict
K14x leads the measured specs 12-5.
Measured wins
A1 (2018)
5
spec wins
Ties
4
equal specs
K14x
12
spec wins
Overall winner
Screen size
Technology
A1 (2018)
GSM / CDMA / HSPA / LTE
K14x
GSM / HSPA / LTE / 5G
2G bands
A1 (2018)
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
K14x
GSM 850 / 900 / 1800 / 1900
3G bands
A1 (2018)
HSDPA 850 / 900 / 1900 / 2100
K14x
HSDPA 900 / 2100
4G bands
A1 (2018)
1, 3, 5, 7, 8, 34, 38, 39, 40, 41
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
A1 (2018)
HSPA, LTE
K14x
HSPA, LTE, 5G
5G bands
A1 (2018)
-
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
A1 (2018)
2018, March. Released 2018, April
K14x
2026, February 10
Status
A1 (2018)
Discontinued
K14x
Released Feb 16, 2026
Dimensions
A1 (2018)
150.5 x 73.1 x 7.7 mm (5.93 x 2.88 x 0.30 in)
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A1 (2018)
143 g (5.04 oz)
K14x
212 g (7.48 oz)
SIM
A1 (2018)
Nano-SIM + Nano-SIM
K14x
Nano-SIM + Nano-SIM
Build
A1 (2018)
-
K14x
Glass front, plastic frame, plastic back
Other
A1 (2018)
-
K14x
IP64 dust tight and water resistant (water splashes)
Type
A1 (2018)
S-IPS LCD
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
Size
A1 (2018)
5.7 inches, 83.8 cm2 (~76.2% screen-to-body ratio)
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A1 (2018)
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Protection
A1 (2018)
Corning Gorilla Glass 3
K14x
-
OS
A1 (2018)
Android 7.1.1 (Nougat), ColorOS 3.2
K14x
Android 15, ColorOS 15
Chipset
A1 (2018)
Mediatek MT6763T Helio P23 (16 nm)
K14x
Mediatek Dimensity 6300 (6 nm)
CPU
A1 (2018)
Octa-core 2.5 GHz Cortex-A53
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A1 (2018)
Mali-G71 MP1
K14x
Mali-G57 MC2
Card slot
A1 (2018)
microSDXC (dedicated slot)
K14x
microSDXC
Internal
A1 (2018)
32GB 3GB RAM, 64GB 4GB RAM
K14x
128GB 4GB RAM, 128GB 6GB RAM
Other
A1 (2018)
eMMC 5.1
K14x
UFS 2.2
Single
A1 (2018)
13 MP, f/2.2, 1/3.1", 1.12µm, PDAF
K14x
-
Features
A1 (2018)
LED flash, panorama
K14x
LED flash, HDR, panorama
Video
A1 (2018)
1080p@30fps
K14x
1080p@30/60fps
Dual
A1 (2018)
-
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
A1 (2018)
8 MP, f/2.2
K14x
5 MP, f/2.2, (wide)
Video
A1 (2018)
K14x
1080p@30fps
Features
A1 (2018)
-
K14x
Panorama
Loudspeaker
A1 (2018)
Yes
K14x
Yes
3.5mm jack
A1 (2018)
Yes
K14x
Yes
WLAN
A1 (2018)
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A1 (2018)
4.2, A2DP, LE
K14x
5.4, A2DP, LE, aptX HD
Positioning
A1 (2018)
GPS
K14x
GPS, GALILEO, GLONASS, QZSS
NFC
A1 (2018)
No
K14x
No
Radio
A1 (2018)
FM radio
K14x
Unspecified
USB
A1 (2018)
microUSB 2.0, OTG
K14x
USB Type-C 2.0, OTG
Sensors
A1 (2018)
Accelerometer, proximity, compass
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A1 (2018)
Li-Ion 3180 mAh, non-removable
K14x
6500 mAh
Charging
A1 (2018)
-
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
A1 (2018)
Deep sea blue, Cherry red, Pearl white
K14x
Prism Violet, Icy Blue
Price
A1 (2018)
About 150 EUR
K14x
About 140 EUR
Models
A1 (2018)
-
K14x
CPH2871
SAR
A1 (2018)
-
K14x
1.14 W/kg (head) 0.89 W/kg (body)