Screen size
K15sWinner: 6.6"+4.4%
R156.3"
Quick verdict
K15s leads the measured specs 14-5.
Measured wins
K15s
14
spec wins
Overall winner
Ties
3
equal specs
R15
5
spec wins
Screen size
Technology
K15s
GSM / HSPA / LTE / 5G
R15
GSM / CDMA / HSPA / LTE
2G bands
K15s
GSM 850 / 900 / 1800 / 1900
R15
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
K15s
HSDPA 850 / 900 / 2100
R15
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
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
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
SD card
equal specsStereo speakers
R15
1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41
5G bands
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
R15
-
Speed
K15s
HSPA, LTE, 5G
R15
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps
Announced
K15s
2026, October 02
R15
2018, March. Released 2018, April
Status
K15s
Available. Released 2026, October 02
R15
Discontinued
Dimensions
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
R15
155.1 x 75.2 x 7.4 mm (6.11 x 2.96 x 0.29 in)
Weight
K15s
205 g (7.23 oz)
R15
175 g (6.17 oz)
Build
K15s
Glass front, plastic frame, plastic back
R15
Glass front (Gorilla Glass 5), glass back, aluminum frame
SIM
K15s
Nano-SIM + Nano-SIM
R15
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
R15
-
Type
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
R15
AMOLED
Size
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
R15
6.28 inches, 98.9 cm2 (~84.8% screen-to-body ratio)
Resolution
K15s
1080 x 2372 pixels (~397 ppi density)
R15
1080 x 2280 pixels, 19:9 ratio (~401 ppi density)
Protection
K15s
-
R15
Corning Gorilla Glass 5
OS
K15s
Android 16, ColorOS 16
R15
Android 8.1 (Oreo), ColorOS 5
Chipset
K15s
Mediatek Dimensity 6360 Max (6 nm)
R15
Mediatek MT6771 Helio P60 (12 nm)
CPU
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R15
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
K15s
Mali-G57 MC2
R15
Mali-G72 MP3
Card slot
K15s
microSDXC
R15
microSDXC (uses shared SIM slot)
Internal
K15s
128GB 6GB RAM, 256GB 8GB RAM
R15
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Other
K15s
UFS 2.2
R15
eMMC 5.1
Dual
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
R15
16 MP, f/1.7, 1/2.6", 1.22µm, PDAF Auxiliary lens
Features
K15s
LED flash, HDR, panorama
R15
LED flash, HDR, panorama
Video
K15s
1080p@30/60fps
R15
4K@30fps, 1080p@30fps
Single
K15s
8 MP, f/2.1, 25mm (wide)
R15
20 MP, f/2.0, (wide), 1/2.8", 1.0µm
Features
K15s
Panorama
R15
-
Video
K15s
1080p@30fps
R15
1080p@30fps
Loudspeaker
K15s
Yes
R15
Yes
3.5mm jack
K15s
No
R15
Yes
WLAN
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R15
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
K15s
5.4, A2DP, LE, aptX HD
R15
4.2, A2DP, LE, EDR
Positioning
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
R15
GPS, GLONASS
NFC
K15s
Yes
R15
No
Infrared port
K15s
Yes
R15
-
Radio
K15s
No
R15
No
USB
K15s
USB Type-C 2.0, OTG
R15
microUSB 2.0, OTG
Sensors
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
R15
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
K15s
Si/C Li-Ion 8000 mAh
R15
Li-Po 3450 mAh, non-removable
Charging
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
R15
20W wired
Colors
K15s
Gray, Purple
R15
Hot Red, Snow White, Star Purple, Fantasy Pink
Models
K15s
PYE130
R15
PACM00, CPH1835, PACT00, PAAT00
Price
K15s
About 270 EUR
R15
About 460 EUR