Screen size
A316.5"
K14xWinner: 6.8"+3.7%
Quick verdict
K14x leads the measured specs 11-5.
Measured wins
A31
5
spec wins
Ties
5
equal specs
K14x
11
spec wins
Overall winner
Screen size
Technology
A31
GSM / HSPA / LTE
K14x
GSM / HSPA / LTE / 5G
2G bands
A31
GSM 850 / 900 / 1800 / 1900
K14x
GSM 850 / 900 / 1800 / 1900
3G bands
A31
HSDPA 850 / 900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
K14x
HSDPA 900 / 2100
4G bands
A31
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International, 1, 2, 3, 4, 5, 7, 8, 28, 38, 41, 66 - USA, 1, 3, 5, 8, 38, 40, 41 - India, 1, 3, 5, 7, 8, 38, 40, 41 - Asia
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
A31
HSPA, LTE
K14x
HSPA, LTE, 5G
5G bands
A31
-
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
A31
2020, February 13. Released 2020, February 14
K14x
2026, February 10
Status
A31
Discontinued
K14x
Released Feb 16, 2026
Dimensions
A31
163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A31
180 g (6.35 oz)
K14x
212 g (7.48 oz)
Build
A31
Glass front (Gorilla Glass 3), plastic back, plastic frame
K14x
Glass front, plastic frame, plastic back
SIM
A31
Nano-SIM + Nano-SIM
K14x
Nano-SIM + Nano-SIM
Other
A31
-
K14x
IP64 dust tight and water resistant (water splashes)
Type
A31
IPS LCD, 480 nits (typ)
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
Size
A31
6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio)
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A31
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Protection
A31
Corning Gorilla Glass 3
K14x
-
OS
A31
Android 9.0 (Pie), ColorOS 6.1
K14x
Android 15, ColorOS 15
Chipset
A31
Mediatek MT6765V/CB Helio P35 (12 nm)
K14x
Mediatek Dimensity 6300 (6 nm)
CPU
A31
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A31
PowerVR GE8320
K14x
Mali-G57 MC2
Card slot
A31
microSDXC (dedicated slot)
K14x
microSDXC
Internal
A31
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
K14x
128GB 4GB RAM, 128GB 6GB RAM
Other
A31
eMMC 5.1
K14x
UFS 2.2
Triple
A31
12 MP, f/1.8, (wide), 1/2.86", 1.25µm, PDAF 2 MP (macro) Auxiliary lens
K14x
-
Features
A31
LED flash, HDR, panorama
K14x
LED flash, HDR, panorama
Video
A31
1080p@30fps
K14x
1080p@30/60fps
Dual
A31
-
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
A31
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
K14x
5 MP, f/2.2, (wide)
Features
A31
HDR
K14x
Panorama
Video
A31
1080p@30fps
K14x
1080p@30fps
Loudspeaker
A31
Yes
K14x
Yes
3.5mm jack
A31
Yes
K14x
Yes
WLAN
A31
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A31
5.0, A2DP, LE
K14x
5.4, A2DP, LE, aptX HD
Positioning
A31
GPS, GLONASS, BDS
K14x
GPS, GALILEO, GLONASS, QZSS
NFC
A31
No
K14x
No
Radio
A31
FM radio
K14x
Unspecified
USB
A31
microUSB 2.0, OTG
K14x
USB Type-C 2.0, OTG
Sensors
A31
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A31
Li-Po 4230 mAh
K14x
6500 mAh
Charging
A31
-
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
A31
Fantasy White, Mystery Black, Lake Green
K14x
Prism Violet, Icy Blue
Models
A31
CPH2015, CPH2073, CPH2081, CPH2029, CPH2031
K14x
CPH2871
Price
A31
$ 71.14
K14x
About 140 EUR
SAR
A31
-
K14x
1.14 W/kg (head) 0.89 W/kg (body)