Screen size
A77 (2017)5.5"
K14 PlusWinner: 6.8"+19%
Quick verdict
K14 Plus leads the measured specs 16-4.
Measured wins
A77 (2017)
4
spec wins
Ties
3
equal specs
K14 Plus
16
spec wins
Overall winner
Screen size
Technology
A77 (2017)
GSM / CDMA / HSPA / LTE
K14 Plus
GSM / HSPA / LTE / 5G
2G bands
A77 (2017)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2, CDMA 800 & TD-SCDMA
K14 Plus
GSM 850 / 900 / 1800 / 1900
3G bands
A77 (2017)
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
K14 Plus
HSDPA 800 / 850 / 900 / 2100
4G bands
A77 (2017)
1, 3, 4, 5, 8, 34, 38, 39, 40, 41 - A77, 1, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41 - A77t
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
equal specs3.5mm jack
SD card
Stereo speakers
K14 Plus
1, 3, 5, 8, 18, 19, 26, 28, 38, 40, 41, 42, 43, 48
Speed
A77 (2017)
HSPA, LTE
K14 Plus
HSPA, LTE, 5G
5G bands
A77 (2017)
-
K14 Plus
1, 3, 5, 8, 18, 26, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
A77 (2017)
2017, July. Released 2017, July
K14 Plus
2026, September 28
Status
A77 (2017)
Discontinued
K14 Plus
Released Oct 7, 2026
Dimensions
A77 (2017)
153.3 x 75.9 x 7.4 mm (6.04 x 2.99 x 0.29 in)
K14 Plus
162.6 x 77.6 x 8.4 mm (6.40 x 3.06 x 0.33 in)
Weight
A77 (2017)
148 g (5.22 oz)
K14 Plus
207 g (7.30 oz)
Build
A77 (2017)
Glass front, aluminum back, aluminum frame
K14 Plus
-
SIM
A77 (2017)
Nano-SIM + Nano-SIM
K14 Plus
Nano-SIM + Nano-SIM
Other
A77 (2017)
-
K14 Plus
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Type
A77 (2017)
IPS LCD
K14 Plus
AMOLED, 1B colors, 144Hz, 800 nits (typ), 1800 nits (HBM), 3600 nits (peak)
Size
A77 (2017)
5.5 inches, 83.4 cm2 (~71.7% screen-to-body ratio)
K14 Plus
6.78 inches, 112.4 cm2 (~89.1% screen-to-body ratio)
Resolution
A77 (2017)
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
K14 Plus
1272 x 2772 pixels, 19.5:9 ratio (~450 ppi density)
Protection
A77 (2017)
-
K14 Plus
AGC DT-Star D+
OS
A77 (2017)
Android 7.1 (Nougat), ColorOS 3.1
K14 Plus
Android 16, ColorOS 16.5
Chipset
A77 (2017)
Qualcomm MSM8953 Snapdragon 625 (14 nm)
K14 Plus
Mediatek Dimensity 7360 Max (4 nm)
CPU
A77 (2017)
Octa-core 2.0 GHz Cortex-A53
K14 Plus
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
A77 (2017)
Adreno 506
K14 Plus
Mali-G615 MC2
Card slot
A77 (2017)
microSDXC (uses shared SIM slot)
K14 Plus
No
Internal
A77 (2017)
64GB 4GB RAM
K14 Plus
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
A77 (2017)
eMMC 5.1
K14 Plus
UFS 3.1
Single
A77 (2017)
13 MP, f/2.2, PDAF
K14 Plus
-
Features
A77 (2017)
LED flash, HDR, panorama
K14 Plus
LED flash, HDR, panorama
Video
A77 (2017)
1080p@30fps
K14 Plus
4K@30fps, 1080p@30/60fps
Dual
A77 (2017)
-
K14 Plus
50 MP, f/1.8, (wide), 1/2.0", PDAF, OIS Auxiliary lens
Single
A77 (2017)
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
K14 Plus
16 MP, f/2.4, (wide), 1/3.09"
Video
A77 (2017)
1080p@30fps
K14 Plus
1080p@30fps
Loudspeaker
A77 (2017)
Yes
K14 Plus
Yes, with stereo speakers
3.5mm jack
A77 (2017)
Yes
K14 Plus
No
WLAN
A77 (2017)
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
K14 Plus
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
A77 (2017)
4.2, A2DP
K14 Plus
5.4, A2DP, LE, aptX HD
Positioning
A77 (2017)
GPS
K14 Plus
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
A77 (2017)
No
K14 Plus
No
Radio
A77 (2017)
No
K14 Plus
No
USB
A77 (2017)
microUSB 2.0, OTG
K14 Plus
USB Type-C 2.0, OTG
Infrared port
A77 (2017)
-
K14 Plus
Yes
Sensors
A77 (2017)
Fingerprint (front-mounted), accelerometer, proximity, compass
K14 Plus
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
A77 (2017)
Li-Ion 3200 mAh, non-removable
K14 Plus
8000 mAh
Charging
A77 (2017)
-
K14 Plus
45W wired, UFCS, 45W PPS, 13.5W PD Reverse wired
Colors
A77 (2017)
Gold, Rose Gold, Black
K14 Plus
Star White, Solar Orange
Models
A77 (2017)
CPH1715
K14 Plus
-
Price
A77 (2017)
About 280 EUR
K14 Plus
About 280 EUR
SAR
A77 (2017)
-
K14 Plus
1.19 W/kg (head) 0.92 W/kg (body)