Screen size
A1x6.6"
K15sWinner: 6.6"+0.2%
Quick verdict
K15s leads the measured specs 12-5.
Measured wins
A1x
5
spec wins
Ties
6
equal specs
K15s
12
spec wins
Overall winner
Screen size
Technology
A1x
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
K15s
GSM / HSPA / LTE / 5G
2G bands
A1x
GSM 850 / 900 / 1800 / 1900 , CDMA 800
K15s
GSM 850 / 900 / 1800 / 1900
3G bands
A1x
HSDPA 850 / 900 / 2100 , CDMA2000 1x
K15s
HSDPA 850 / 900 / 2100
4G bands
A1x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
K15s
1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 42, 48
5G bands
A1x
1, 5, 8, 28, 41, 77, 78 SA/NSA
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Speed
A1x
HSPA, LTE, 5G
K15s
HSPA, LTE, 5G
Announced
A1x
2023, March 31
K15s
2026, October 02
Status
A1x
Available. Released 2023, March 31
K15s
Available. Released 2026, October 02
Dimensions
A1x
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
A1x
186 g (6.56 oz)
K15s
205 g (7.23 oz)
SIM
A1x
Nano-SIM + Nano-SIM
K15s
Nano-SIM + Nano-SIM
Other
A1x
IP54 dust protected and water resistant (water splashes)
K15s
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Drop resistant up to 1.8m
Build
A1x
-
K15s
Glass front, plastic frame, plastic back
Type
A1x
IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
A1x
6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio)
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
A1x
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
K15s
1080 x 2372 pixels (~397 ppi density)
OS
A1x
Android 12, ColorOS 12.1
K15s
Android 16, ColorOS 16
Chipset
A1x
Mediatek Dimensity 700 (7 nm)
K15s
Mediatek Dimensity 6360 Max (6 nm)
CPU
A1x
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A1x
Mali-G57 MC2
K15s
Mali-G57 MC2
Card slot
A1x
microSDXC
K15s
microSDXC
Internal
A1x
128GB 6GB RAM, 128GB 8GB RAM
K15s
128GB 6GB RAM, 256GB 8GB RAM
Other
A1x
UFS 2.2
K15s
UFS 2.2
Dual
A1x
13 MP, f/2.2, 25mm (wide), PDAF Auxiliary lens
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
Features
A1x
LED flash, HDR, panorama
K15s
LED flash, HDR, panorama
Video
A1x
1080p@30fps
K15s
1080p@30/60fps
Single
A1x
8 MP, f/2.0, 27mm (wide)
K15s
8 MP, f/2.1, 25mm (wide)
Video
A1x
1080p@30fps
K15s
1080p@30fps
Features
A1x
-
K15s
Panorama
Loudspeaker
A1x
Yes, with stereo speakers
K15s
Yes
3.5mm jack
A1x
Yes
K15s
No
WLAN
A1x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A1x
5.3, A2DP, LE, aptX
K15s
5.4, A2DP, LE, aptX HD
Positioning
A1x
GPS, GALILEO, GLONASS, BDS, QZSS
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
A1x
No
K15s
Yes
Radio
A1x
No
K15s
No
USB
A1x
USB Type-C 2.0, OTG
K15s
USB Type-C 2.0, OTG
Infrared port
A1x
-
K15s
Yes
Sensors
A1x
Fingerprint (side-mounted), accelerometer, proximity, compass
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
A1x
Li-Po 5000 mAh
K15s
Si/C Li-Ion 8000 mAh
Charging
A1x
10W wired
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
Colors
A1x
Black, Blue
K15s
Gray, Purple
Models
A1x
PHJ110
K15s
PYE130
Price
A1x
About 180 EUR
K15s
About 270 EUR