Screen size
A1 (2018)5.7"
K15sWinner: 6.6"+13%
Quick verdict
K15s leads the measured specs 15-4.
Measured wins
A1 (2018)
4
spec wins
Ties
3
equal specs
K15s
15
spec wins
Overall winner
Screen size
Technology
A1 (2018)
GSM / CDMA / HSPA / LTE
K15s
GSM / HSPA / LTE / 5G
2G bands
A1 (2018)
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
K15s
GSM 850 / 900 / 1800 / 1900
3G bands
A1 (2018)
HSDPA 850 / 900 / 1900 / 2100
K15s
HSDPA 850 / 900 / 2100
4G bands
A1 (2018)
1, 3, 5, 7, 8, 34, 38, 39, 40, 41
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
3.5mm jack
SD card
equal specsStereo speakers
K15s
1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 42, 48
Speed
A1 (2018)
HSPA, LTE
K15s
HSPA, LTE, 5G
5G bands
A1 (2018)
-
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
A1 (2018)
2018, March. Released 2018, April
K15s
2026, October 02
Status
A1 (2018)
Discontinued
K15s
Available. Released 2026, October 02
Dimensions
A1 (2018)
150.5 x 73.1 x 7.7 mm (5.93 x 2.88 x 0.30 in)
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
A1 (2018)
143 g (5.04 oz)
K15s
205 g (7.23 oz)
SIM
A1 (2018)
Nano-SIM + Nano-SIM
K15s
Nano-SIM + Nano-SIM
Build
A1 (2018)
-
K15s
Glass front, plastic frame, plastic back
Other
A1 (2018)
-
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
Type
A1 (2018)
S-IPS LCD
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
A1 (2018)
5.7 inches, 83.8 cm2 (~76.2% screen-to-body ratio)
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
A1 (2018)
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
K15s
1080 x 2372 pixels (~397 ppi density)
Protection
A1 (2018)
Corning Gorilla Glass 3
K15s
-
OS
A1 (2018)
Android 7.1.1 (Nougat), ColorOS 3.2
K15s
Android 16, ColorOS 16
Chipset
A1 (2018)
Mediatek MT6763T Helio P23 (16 nm)
K15s
Mediatek Dimensity 6360 Max (6 nm)
CPU
A1 (2018)
Octa-core 2.5 GHz Cortex-A53
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A1 (2018)
Mali-G71 MP1
K15s
Mali-G57 MC2
Card slot
A1 (2018)
microSDXC (dedicated slot)
K15s
microSDXC
Internal
A1 (2018)
32GB 3GB RAM, 64GB 4GB RAM
K15s
128GB 6GB RAM, 256GB 8GB RAM
Other
A1 (2018)
eMMC 5.1
K15s
UFS 2.2
Single
A1 (2018)
13 MP, f/2.2, 1/3.1", 1.12µm, PDAF
K15s
-
Features
A1 (2018)
LED flash, panorama
K15s
LED flash, HDR, panorama
Video
A1 (2018)
1080p@30fps
K15s
1080p@30/60fps
Dual
A1 (2018)
-
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
Single
A1 (2018)
8 MP, f/2.2
K15s
8 MP, f/2.1, 25mm (wide)
Video
A1 (2018)
K15s
1080p@30fps
Features
A1 (2018)
-
K15s
Panorama
Loudspeaker
A1 (2018)
Yes
K15s
Yes
3.5mm jack
A1 (2018)
Yes
K15s
No
WLAN
A1 (2018)
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A1 (2018)
4.2, A2DP, LE
K15s
5.4, A2DP, LE, aptX HD
Positioning
A1 (2018)
GPS
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
A1 (2018)
No
K15s
Yes
Radio
A1 (2018)
FM radio
K15s
No
USB
A1 (2018)
microUSB 2.0, OTG
K15s
USB Type-C 2.0, OTG
Infrared port
A1 (2018)
-
K15s
Yes
Sensors
A1 (2018)
Accelerometer, proximity, compass
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
A1 (2018)
Li-Ion 3180 mAh, non-removable
K15s
Si/C Li-Ion 8000 mAh
Charging
A1 (2018)
-
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
Colors
A1 (2018)
Deep sea blue, Cherry red, Pearl white
K15s
Gray, Purple
Price
A1 (2018)
About 150 EUR
K15s
About 270 EUR
Models
A1 (2018)
-
K15s
PYE130