Screen size
A3x 4G6.7"
K15xWinner: 6.8"+1.2%
Quick verdict
K15x leads the measured specs 12-4.
Measured wins
A3x 4G
4
spec wins
Ties
6
equal specs
K15x
12
spec wins
Overall winner
Screen size
Technology
A3x 4G
GSM / HSPA / LTE
K15x
GSM / HSPA / LTE / 5G
2G bands
A3x 4G
GSM 850 / 900 / 1800 / 1900
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
A3x 4G
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - version 1, HSDPA 850 / 900 / 2100 - version 2, HSDPA 900 / 2100 - version 3, version 4
K15x
HSDPA 850 / 900 / 2100
4G bands
A3x 4G
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 26, 28, 38, 40, 41, 66 - version 1, 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - version 2, 1, 3, 7, 8, 20, 28, 38, 40, 41 - version 3, 1, 3, 5, 8, 40 - version 4
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑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
A3x 4G
HSPA, LTE
K15x
HSPA, LTE, 5G
5G bands
A3x 4G
-
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Announced
A3x 4G
2024, August 20
K15x
2026, October 02
Status
A3x 4G
Available. Released 2024, August 20
K15x
Available. Released 2026, October 02
Dimensions
A3x 4G
165.8 x 76.1 x 7.7 mm (6.53 x 3.00 x 0.30 in)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A3x 4G
186 g (6.56 oz)
K15x
212 g (7.48 oz)
SIM
A3x 4G
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Other
A3x 4G
IP54 dust protected and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
K15x
IP64 dust tight and water resistant (water splashes)
Build
A3x 4G
-
K15x
Glass front, plastic frame, plastic back
Type
A3x 4G
IPS LCD, 90Hz, 1000 nits (HBM)
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
A3x 4G
6.67 inches, 107.2 cm2 (~85.0% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A3x 4G
720 x 1604 pixels, 20:9 ratio (~264 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Protection
A3x 4G
Panda glass
K15x
-
OS
A3x 4G
Android 14, upgradable to Android 15, ColorOS 15
K15x
Android 16, ColorOS 16
Chipset
A3x 4G
Qualcomm SM-6115 Snapdragon 6s 4G Gen1 (11 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
A3x 4G
Octa-core (4x2.1 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53)
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A3x 4G
Adreno 610
K15x
Mali-G57 MC2
Card slot
A3x 4G
microSDXC
K15x
microSDXC
Internal
A3x 4G
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
A3x 4G
eMMC 5.1
K15x
UFS 2.2
Dual
A3x 4G
8 MP, f/2.0, 26mm (wide), 1/3.94", PDAF Auxiliary lens
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Features
A3x 4G
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
A3x 4G
1080p@30fps
K15x
1080p@30/60fps
Single
A3x 4G
5 MP, f/2.2, 27mm (wide), 1/4.96"
K15x
5 MP, f/2.2, 27mm (wide)
Video
A3x 4G
1080p@30fps
K15x
1080p@30fps
Features
A3x 4G
-
K15x
Panorama
Loudspeaker
A3x 4G
Yes
K15x
Yes
3.5mm jack
A3x 4G
Yes
K15x
Yes
WLAN
A3x 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
A3x 4G
5.0, A2DP, LE, aptX
K15x
5.4, A2DP, LE, aptX HD
Positioning
A3x 4G
GPS, GALILEO, GLONASS, BDS, QZSS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
A3x 4G
No
K15x
Yes
Radio
A3x 4G
Unspecified
K15x
No
USB
A3x 4G
USB Type-C 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
A3x 4G
Fingerprint (side-mounted), accelerometer, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A3x 4G
5100 mAh
K15x
6500 mAh
Charging
A3x 4G
45W wired, PD2.0, PPS, 50% in 30 min
K15x
45W wired 5W reverse wired
Colors
A3x 4G
Nebula Red, Ocean Blue, Starry Purple
K15x
Purple, White
Models
A3x 4G
CPH2641
K15x
PLT150
Price
A3x 4G
-
K15x
About 230 EUR