Screen size
K15sWinner: 6.6"+2.6%
R15x6.4"
Quick verdict
K15s leads the measured specs 13-5.
Measured wins
K15s
13
spec wins
Overall winner
Ties
4
equal specs
R15x
5
spec wins
Screen size
Technology
K15s
GSM / HSPA / LTE / 5G
R15x
GSM / CDMA / HSPA / LTE
2G bands
K15s
GSM 850 / 900 / 1800 / 1900
R15x
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
K15s
HSDPA 850 / 900 / 2100
R15x
HSDPA 850 / 1700(AWS) / 2100 / 900
4G bands
K15s
1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 42, 48
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
NFC
3.5mm jack
SD card
Stereo speakers
R15x
1, 3, 4, 5, 8, 34, 38, 39, 40, 41
5G bands
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
R15x
-
Speed
K15s
HSPA, LTE, 5G
R15x
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
K15s
2026, October 02
R15x
2018, October. Released 2018, November
Status
K15s
Available. Released 2026, October 02
R15x
Discontinued
Dimensions
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
R15x
158.3 x 75.5 x 7.4 mm (6.23 x 2.97 x 0.29 in)
Weight
K15s
205 g (7.23 oz)
R15x
156 g (5.50 oz)
Build
K15s
Glass front, plastic frame, plastic back
R15x
-
SIM
K15s
Nano-SIM + Nano-SIM
R15x
Nano-SIM + Nano-SIM
Other
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
R15x
-
Type
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
R15x
Super AMOLED
Size
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
R15x
6.4 inches, 101.0 cm2 (~84.5% screen-to-body ratio)
Resolution
K15s
1080 x 2372 pixels (~397 ppi density)
R15x
1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
Protection
K15s
-
R15x
Corning Gorilla Glass 5
OS
K15s
Android 16, ColorOS 16
R15x
Android 8.1 (Oreo), planned upgrade to Android 9.0 (Pie), ColorOS 6.0
Chipset
K15s
Mediatek Dimensity 6360 Max (6 nm)
R15x
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R15x
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
K15s
Mali-G57 MC2
R15x
Adreno 512
Card slot
K15s
microSDXC
R15x
No
Internal
K15s
128GB 6GB RAM, 256GB 8GB RAM
R15x
128GB 6GB RAM
Other
K15s
UFS 2.2
R15x
eMMC 5.1
Dual
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
R15x
16 MP, f/1.7, 1/2.8", 1.12µm, PDAF Auxiliary lens
Features
K15s
LED flash, HDR, panorama
R15x
LED flash, HDR, panorama
Video
K15s
1080p@30/60fps
R15x
4K@30fps, 1080p@30fps
Single
K15s
8 MP, f/2.1, 25mm (wide)
R15x
25 MP, f/2.0, 1/2.8", 0.9µm
Features
K15s
Panorama
R15x
HDR
Video
K15s
1080p@30fps
R15x
1080p@30fps
Loudspeaker
K15s
Yes
R15x
Yes
3.5mm jack
K15s
No
R15x
Yes
WLAN
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R15x
Wi-Fi 802.11 а/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
K15s
5.4, A2DP, LE, aptX HD
R15x
5.0, A2DP, LE
Positioning
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
R15x
GPS
NFC
K15s
Yes
R15x
No
Infrared port
K15s
Yes
R15x
-
Radio
K15s
No
R15x
No
USB
K15s
USB Type-C 2.0, OTG
R15x
microUSB 2.0, OTG
Sensors
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
R15x
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
K15s
Si/C Li-Ion 8000 mAh
R15x
Li-Ion 3600 mAh, non-removable
Charging
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
R15x
10W wired
Colors
K15s
Gray, Purple
R15x
Nebula, Silver Green
Models
K15s
PYE130
R15x
PBCM10
Price
K15s
About 270 EUR
R15x
About 350 EUR