Screen size
A6 4GWinner: 6.8"+5.2%
K16.4"
Quick verdict
A6 4G leads the measured specs 12-6.
Measured wins
A6 4G
12
spec wins
Overall winner
Ties
4
equal specs
K1
6
spec wins
Screen size
Technology
A6 4G
GSM / HSPA / LTE
K1
GSM / HSPA / LTE
2G bands
A6 4G
GSM 850 / 900 / 1800 / 1900
K1
GSM 850 / 900 / 1800 / 1900
3G bands
A6 4G
HSDPA 850 / 900 / 2100 - version 1, HSDPA 900 / 2100 - version 2
K1
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
A6 4G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - version 1, 1, 3, 5, 8, 40 - version 2
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
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
K1
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 41
Speed
A6 4G
HSPA, LTE
K1
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
A6 4G
2026, January 13
K1
2018, October. Released 2018, October
Status
A6 4G
Available. Released 2026, January 13
K1
Discontinued
Dimensions
A6 4G
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
K1
158.3 x 75.5 x 7.4 mm (6.23 x 2.97 x 0.29 in)
Weight
A6 4G
215 g (7.58 oz)
K1
156 g (5.50 oz)
Build
A6 4G
Glass front, plastic frame, plastic back
K1
Glass front (Gorilla Glass 5), plastic back, plastic frame
SIM
A6 4G
Nano-SIM + Nano-SIM
K1
Nano-SIM + Nano-SIM
Other
A6 4G
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
K1
-
Type
A6 4G
IPS LCD, 120Hz, 1125 nits (peak)
K1
Super AMOLED
Size
A6 4G
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
K1
6.4 inches, 101.0 cm2 (~84.5% screen-to-body ratio)
Resolution
A6 4G
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
K1
1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
Protection
A6 4G
-
K1
Corning Gorilla Glass 5
OS
A6 4G
Android 15, ColorOS 15
K1
Android 8.1 (Oreo), ColorOS 5.2
Chipset
A6 4G
Qualcomm SM6225 Snapdragon 685 (6 nm)
K1
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
A6 4G
Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
K1
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
A6 4G
Adreno 610
K1
Adreno 512
Card slot
A6 4G
microSDXC
K1
microSDXC (dedicated slot)
Internal
A6 4G
128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
K1
64GB 4GB RAM, 64GB 6GB RAM
Other
A6 4G
UFS 2.2
K1
eMMC 5.1
Dual
A6 4G
50 MP, f/1.8, (wide), PDAF Auxiliary lens
K1
16 MP, f/1.8, 1/2.8", 1.12µm, PDAF Auxiliary lens
Features
A6 4G
LED flash, HDR, panorama
K1
LED flash, HDR, panorama
Video
A6 4G
1080p@30fps
K1
4K@30fps, 1080p@30fps
Single
A6 4G
8 MP, f/2.0, (wide)
K1
25 MP, f/2.0, 1/2.8", 0.9µm
Features
A6 4G
Panorama
K1
HDR
Video
A6 4G
1080p@30fps
K1
1080p@30fps
Loudspeaker
A6 4G
Yes, with stereo speakers
K1
Yes
3.5mm jack
A6 4G
No
K1
Yes
WLAN
A6 4G
Wi-Fi 802.11 a/b/g/n/ac, dual-band
K1
Wi-Fi 802.11 а/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
A6 4G
5.0, A2DP, LE, aptX
K1
5.0, A2DP, LE
Positioning
A6 4G
GPS, GALILEO, GLONASS, QZSS
K1
GPS
NFC
A6 4G
Yes (market/region dependent)
K1
No
Radio
A6 4G
Unspecified
K1
No
USB
A6 4G
USB Type-C 2.0, OTG
K1
microUSB 2.0, OTG
Sensors
A6 4G
Fingerprint (side-mounted), accelerometer, proximity, compass
K1
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
A6 4G
Si/C Li-Ion 7000 mAh
K1
Li-Ion 3600 mAh, non-removable
Charging
A6 4G
45W wired, 33W PPS, 13.5W PD, 36% in 30 min 5W reverse wired
K1
10W wired
Colors
A6 4G
Sapphire Blue, Aurora Gold
K1
Blue, Red, Silver Green
Models
A6 4G
CPH2817
K1
PBCM30
Price
A6 4G
-
K1
About 210 EUR