Screen size
A3s6.2"
K15sWinner: 6.6"+5.6%
Quick verdict
K15s leads the measured specs 16-3.
Measured wins
A3s
3
spec wins
Ties
3
equal specs
K15s
16
spec wins
Overall winner
Screen size
Technology
A3s
GSM / HSPA / LTE
K15s
GSM / HSPA / LTE / 5G
2G bands
A3s
GSM 850 / 900 / 1800 / 1900
K15s
GSM 850 / 900 / 1800 / 1900
3G bands
A3s
HSDPA 850 / 900 / 2100
K15s
HSDPA 850 / 900 / 2100
4G bands
A3s
1, 3, 5, 8, 38, 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
A3s
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
K15s
HSPA, LTE, 5G
5G bands
A3s
-
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
A3s
2018, July 13. Released 2018, July
K15s
2026, October 02
Status
A3s
Discontinued
K15s
Available. Released 2026, October 02
Dimensions
A3s
156.2 x 75.6 x 8.2 mm (6.15 x 2.98 x 0.32 in)
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
A3s
168 g (5.93 oz)
K15s
205 g (7.23 oz)
Build
A3s
Glass front (Gorilla Glass 3), plastic back, plastic frame
K15s
Glass front, plastic frame, plastic back
SIM
A3s
Nano-SIM + Nano-SIM
K15s
Nano-SIM + Nano-SIM
Other
A3s
-
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
A3s
IPS LCD
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
A3s
6.2 inches, 95.9 cm2 (~81.2% screen-to-body ratio)
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
A3s
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
K15s
1080 x 2372 pixels (~397 ppi density)
Protection
A3s
Corning Gorilla Glass 3
K15s
-
OS
A3s
Android 8.1 (Oreo), ColorOS 5.1
K15s
Android 16, ColorOS 16
Chipset
A3s
Qualcomm SDM450 Snapdragon 450 (14 nm)
K15s
Mediatek Dimensity 6360 Max (6 nm)
CPU
A3s
Octa-core 1.8 GHz Cortex-A53
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A3s
Adreno 506
K15s
Mali-G57 MC2
Card slot
A3s
microSDXC (dedicated slot)
K15s
microSDXC
Internal
A3s
16GB 2GB RAM, 32GB 3GB RAM, 64GB 4GB RAM
K15s
128GB 6GB RAM, 256GB 8GB RAM
Other
A3s
eMMC 5.1
K15s
UFS 2.2
Dual
A3s
13 MP, f/2.2, AF Auxiliary lens
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
Features
A3s
LED flash, HDR, panorama
K15s
LED flash, HDR, panorama
Video
A3s
1080p@30fps
K15s
1080p@30/60fps
Single
A3s
8 MP, f/2.2
K15s
8 MP, f/2.1, 25mm (wide)
Video
A3s
1080p@30fps
K15s
1080p@30fps
Features
A3s
-
K15s
Panorama
Loudspeaker
A3s
Yes
K15s
Yes
3.5mm jack
A3s
Yes
K15s
No
WLAN
A3s
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A3s
4.2, A2DP, LE
K15s
5.4, A2DP, LE, aptX HD
Positioning
A3s
GPS
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
A3s
No
K15s
Yes
Radio
A3s
FM radio
K15s
No
USB
A3s
microUSB 2.0, OTG
K15s
USB Type-C 2.0, OTG
Infrared port
A3s
-
K15s
Yes
Sensors
A3s
Accelerometer, gyro, proximity, compass
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
A3s
Li-Ion 4230 mAh, non-removable
K15s
Si/C Li-Ion 8000 mAh
Charging
A3s
20W wired
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
Colors
A3s
Red, Dark Purple
K15s
Gray, Purple
Models
A3s
CPH1803, CPH1853, CPH1805
K15s
PYE130
Price
A3s
About 11000 INR
K15s
About 270 EUR