Screen size
A77 (Mediatek)5.5"
K14xWinner: 6.8"+19%
Quick verdict
K14x leads the measured specs 11-5.
Measured wins
A77 (Mediatek)
5
spec wins
Ties
5
equal specs
K14x
11
spec wins
Overall winner
Screen size
Technology
A77 (Mediatek)
GSM / HSPA / LTE
K14x
GSM / HSPA / LTE / 5G
2G bands
A77 (Mediatek)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
K14x
GSM 850 / 900 / 1800 / 1900
3G bands
A77 (Mediatek)
HSDPA 850 / 900 / 1900 / 2100
K14x
HSDPA 900 / 2100
4G bands
A77 (Mediatek)
LTE
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
A77 (Mediatek)
HSPA, LTE
K14x
HSPA, LTE, 5G
5G bands
A77 (Mediatek)
-
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
A77 (Mediatek)
2017, May. Released 2017, May
K14x
2026, February 10
Status
A77 (Mediatek)
Discontinued
K14x
Released Feb 16, 2026
Dimensions
A77 (Mediatek)
153.3 x 75.2 x 7.3 mm (6.04 x 2.96 x 0.29 in)
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A77 (Mediatek)
153 g (5.40 oz)
K14x
212 g (7.48 oz)
SIM
A77 (Mediatek)
Nano-SIM + Nano-SIM
K14x
Nano-SIM + Nano-SIM
Build
A77 (Mediatek)
-
K14x
Glass front, plastic frame, plastic back
Other
A77 (Mediatek)
-
K14x
IP64 dust tight and water resistant (water splashes)
Type
A77 (Mediatek)
IPS LCD
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
Size
A77 (Mediatek)
5.5 inches, 83.4 cm2 (~72.3% screen-to-body ratio)
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A77 (Mediatek)
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
A77 (Mediatek)
Android 6 (Marshmallow), ColorOS 3
K14x
Android 15, ColorOS 15
Chipset
A77 (Mediatek)
Mediatek MT6750T (28 nm)
K14x
Mediatek Dimensity 6300 (6 nm)
CPU
A77 (Mediatek)
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
A77 (Mediatek)
Mali-T860MP2
K14x
Mali-G57 MC2
Card slot
A77 (Mediatek)
microSDXC (uses shared SIM slot)
K14x
microSDXC
Internal
A77 (Mediatek)
64GB 4GB RAM
K14x
128GB 4GB RAM, 128GB 6GB RAM
Other
A77 (Mediatek)
eMMC 5.1
K14x
UFS 2.2
Single
A77 (Mediatek)
13 MP, f/2.2, PDAF
K14x
-
Features
A77 (Mediatek)
LED flash, HDR, panorama
K14x
LED flash, HDR, panorama
Video
A77 (Mediatek)
1080p@30fps
K14x
1080p@30/60fps
Dual
A77 (Mediatek)
-
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
A77 (Mediatek)
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
K14x
5 MP, f/2.2, (wide)
Video
A77 (Mediatek)
1080p@30fps
K14x
1080p@30fps
Features
A77 (Mediatek)
-
K14x
Panorama
Loudspeaker
A77 (Mediatek)
Yes
K14x
Yes
3.5mm jack
A77 (Mediatek)
Yes
K14x
Yes
WLAN
A77 (Mediatek)
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A77 (Mediatek)
4.0, A2DP
K14x
5.4, A2DP, LE, aptX HD
Positioning
A77 (Mediatek)
GPS
K14x
GPS, GALILEO, GLONASS, QZSS
NFC
A77 (Mediatek)
No
K14x
No
Radio
A77 (Mediatek)
No
K14x
Unspecified
USB
A77 (Mediatek)
microUSB 2.0, OTG
K14x
USB Type-C 2.0, OTG
Sensors
A77 (Mediatek)
Fingerprint (front-mounted), accelerometer, proximity, compass
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A77 (Mediatek)
Li-Ion 3200 mAh, non-removable
K14x
6500 mAh
Charging
A77 (Mediatek)
-
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
Colors
A77 (Mediatek)
Gold, Rose Gold, Black
K14x
Prism Violet, Icy Blue
Price
A77 (Mediatek)
About 310 EUR
K14x
About 140 EUR
Models
A77 (Mediatek)
-
K14x
CPH2871
SAR
A77 (Mediatek)
-
K14x
1.14 W/kg (head) 0.89 W/kg (body)