Screen size
equal specsA6x 4G6.8"
K15x6.8"
Quick verdict
K15x leads the measured specs 6-2.
Measured wins
A6x 4G
2
spec wins
Ties
14
equal specs
K15x
6
spec wins
Overall winner
Screen size
equal specsTechnology
A6x 4G
GSM / HSPA / LTE
K15x
GSM / HSPA / LTE / 5G
2G bands
A6x 4G
GSM 850 / 900 / 1800 / 1900
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
A6x 4G
HSDPA 850 / 900 / 2100
K15x
HSDPA 850 / 900 / 2100
4G bands
A6x 4G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
equal specsRefresh rate
equal specsPeak brightness
equal specsPixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
equal specsWired charging
Weight
Thickness
equal specsIP rating
equal specsWi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
K15x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
Speed
A6x 4G
HSPA, LTE
K15x
HSPA, LTE, 5G
5G bands
A6x 4G
-
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Announced
A6x 4G
2025, December 02
K15x
2026, October 02
Status
A6x 4G
Available. Released 2025, December 02
K15x
Available. Released 2026, October 02
Dimensions
A6x 4G
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A6x 4G
210 g (7.41 oz)
K15x
212 g (7.48 oz)
Build
A6x 4G
Glass front, plastic frame, plastic back
K15x
Glass front, plastic frame, plastic back
SIM
A6x 4G
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Other
A6x 4G
IP64 dust tight and water resistant (water splashes)
K15x
IP64 dust tight and water resistant (water splashes)
Type
A6x 4G
IPS LCD, 120Hz, 1125 nits (peak)
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
A6x 4G
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A6x 4G
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
A6x 4G
Android 15, ColorOS 15
K15x
Android 16, ColorOS 16
Chipset
A6x 4G
Qualcomm SM6225 Snapdragon 685 (6 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
A6x 4G
Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A6x 4G
Adreno 610
K15x
Mali-G57 MC2
Card slot
A6x 4G
microSDXC
K15x
microSDXC
Internal
A6x 4G
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
A6x 4G
UFS 2.2
K15x
UFS 2.2
Single
A6x 4G
13 MP, f/2.2, (wide), AF
K15x
-
Features
A6x 4G
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
A6x 4G
1080p@30/60fps
K15x
1080p@30/60fps
Dual
A6x 4G
-
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Single
A6x 4G
5 MP, f/2.2, (wide)
K15x
5 MP, f/2.2, 27mm (wide)
Video
A6x 4G
1080p@30fps
K15x
1080p@30fps
Features
A6x 4G
-
K15x
Panorama
Loudspeaker
A6x 4G
Yes
K15x
Yes
3.5mm jack
A6x 4G
Yes
K15x
Yes
WLAN
A6x 4G
Wi-Fi 802.11 a/b/g/n/ac, dual-band
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A6x 4G
5.0, A2DP, LE, aptX
K15x
5.4, A2DP, LE, aptX HD
Positioning
A6x 4G
GPS, GALILEO, GLONASS, BDS, QZSS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
A6x 4G
No
K15x
Yes
Radio
A6x 4G
Unspecified
K15x
No
USB
A6x 4G
USB Type-C 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
A6x 4G
Fingerprint (side-mounted), accelerometer, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A6x 4G
6500 mAh
K15x
6500 mAh
Charging
A6x 4G
Wired 5W reverse wired
K15x
45W wired 5W reverse wired
Colors
A6x 4G
Plum Purple, Ice Blue
K15x
Purple, White
Models
A6x 4G
CPH2819
K15x
PLT150
Price
A6x 4G
About 80 EUR
K15x
About 230 EUR