Screen size
A53 (2015)5.5"
K14xWinner: 6.8"+19%
Quick verdict
K14x leads the measured specs 13-4.
Measured wins
A53 (2015)
4
spec wins
Ties
4
equal specs
K14x
13
spec wins
Overall winner
Screen size
Technology
A53 (2015)
GSM / HSPA / LTE
K14x
GSM / HSPA / LTE / 5G
2G bands
A53 (2015)
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
K14x
GSM 850 / 900 / 1800 / 1900
3G bands
A53 (2015)
HSDPA 850 / 900 / 1900 / 2100 , TD-SCDMA
K14x
HSDPA 900 / 2100
4G bands
A53 (2015)
1, 3, 38, 39, 40, 41
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
K14x
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
Speed
A53 (2015)
HSPA, LTE
K14x
HSPA, LTE, 5G
5G bands
A53 (2015)
-
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
A53 (2015)
2015, November. Released 2015, December
K14x
2026, February 10
Status
A53 (2015)
Discontinued
K14x
Released Feb 16, 2026
Dimensions
A53 (2015)
153 x 77 x 7.4 mm (6.02 x 3.03 x 0.29 in)
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A53 (2015)
165 g (5.82 oz)
K14x
212 g (7.48 oz)
SIM
A53 (2015)
Nano-SIM + Micro-SIM
K14x
Nano-SIM + Nano-SIM
Build
A53 (2015)
-
K14x
Glass front, plastic frame, plastic back
Other
A53 (2015)
-
K14x
IP64 dust tight and water resistant (water splashes)
Type
A53 (2015)
IPS LCD
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
Size
A53 (2015)
5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio)
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A53 (2015)
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
A53 (2015)
Android 5.1 (Lollipop), ColorOS 2.1
K14x
Android 15, ColorOS 15
Chipset
A53 (2015)
Qualcomm MSM8939v2 Snapdragon 616 (28 nm)
K14x
Mediatek Dimensity 6300 (6 nm)
CPU
A53 (2015)
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A53 (2015)
Adreno 405
K14x
Mali-G57 MC2
Card slot
A53 (2015)
microSDXC (uses shared SIM slot)
K14x
microSDXC
Internal
A53 (2015)
16GB 2GB RAM
K14x
128GB 4GB RAM, 128GB 6GB RAM
Other
A53 (2015)
eMMC 4.5
K14x
UFS 2.2
Single
A53 (2015)
13 MP, AF
K14x
-
Features
A53 (2015)
LED flash, HDR, panorama
K14x
LED flash, HDR, panorama
Video
A53 (2015)
1080p@30fps
K14x
1080p@30/60fps
Dual
A53 (2015)
-
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
A53 (2015)
5 MP
K14x
5 MP, f/2.2, (wide)
Video
A53 (2015)
K14x
1080p@30fps
Features
A53 (2015)
-
K14x
Panorama
Loudspeaker
A53 (2015)
Yes
K14x
Yes
3.5mm jack
A53 (2015)
Yes
K14x
Yes
WLAN
A53 (2015)
Wi-Fi 802.11 b/g/n
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A53 (2015)
4.0, A2DP
K14x
5.4, A2DP, LE, aptX HD
Positioning
A53 (2015)
GPS
K14x
GPS, GALILEO, GLONASS, QZSS
NFC
A53 (2015)
Yes
K14x
No
Radio
A53 (2015)
FM radio
K14x
Unspecified
USB
A53 (2015)
microUSB 2.0, OTG
K14x
USB Type-C 2.0, OTG
Sensors
A53 (2015)
Accelerometer, proximity, compass
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A53 (2015)
Li-Ion 3075 mAh, non-removable
K14x
6500 mAh
Charging
A53 (2015)
-
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
A53 (2015)
White/Gold
K14x
Prism Violet, Icy Blue
Price
A53 (2015)
About 200 EUR
K14x
About 140 EUR
Models
A53 (2015)
-
K14x
CPH2871
SAR
A53 (2015)
-
K14x
1.14 W/kg (head) 0.89 W/kg (body)