Screen size
K15sWinner: 6.6"+8.5%
R11s6.0"
Quick verdict
K15s leads the measured specs 15-5.
Measured wins
K15s
15
spec wins
Overall winner
Ties
2
equal specs
R11s
5
spec wins
Screen size
Technology
K15s
GSM / HSPA / LTE / 5G
R11s
GSM / CDMA / HSPA / EVDO / LTE
2G bands
K15s
GSM 850 / 900 / 1800 / 1900
R11s
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2, CDMA 800
3G bands
K15s
HSDPA 850 / 900 / 2100
R11s
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO & TD-SCDMA
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
Main 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
R11s
1, 2, 3, 4, 5, 8, 34, 38, 39, 40, 41 - R11s, 1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41 - R11st
5G bands
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
R11s
-
Speed
K15s
HSPA, LTE, 5G
R11s
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
K15s
2026, October 02
R11s
2017, October. Released 2017, November
Status
K15s
Available. Released 2026, October 02
R11s
Discontinued
Dimensions
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
R11s
155.1 x 75.5 x 7.1 mm (6.11 x 2.97 x 0.28 in)
Weight
K15s
205 g (7.23 oz)
R11s
153 g (5.40 oz)
Build
K15s
Glass front, plastic frame, plastic back
R11s
Glass front (Gorilla Glass 5), aluminum back, aluminum frame
SIM
K15s
Nano-SIM + Nano-SIM
R11s
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
R11s
-
Type
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
R11s
AMOLED
Size
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
R11s
6.01 inches, 93.7 cm2 (~80.0% screen-to-body ratio)
Resolution
K15s
1080 x 2372 pixels (~397 ppi density)
R11s
1080 x 2160 pixels, 18:9 ratio (~401 ppi density)
Protection
K15s
-
R11s
Corning Gorilla Glass 5
OS
K15s
Android 16, ColorOS 16
R11s
Android 7.1.1 (Nougat), ColorOS 3.2
Chipset
K15s
Mediatek Dimensity 6360 Max (6 nm)
R11s
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R11s
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
K15s
Mali-G57 MC2
R11s
Adreno 512
Card slot
K15s
microSDXC
R11s
microSDXC (uses shared SIM slot)
Internal
K15s
128GB 6GB RAM, 256GB 8GB RAM
R11s
64GB 4GB RAM
Other
K15s
UFS 2.2
R11s
eMMC 5.1
Dual
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
R11s
16 MP, f/1.7, 1/2.8", 1.12µm, PDAF 20 MP, f/1.7, 1/2.8", 1.0µm, AF
Features
K15s
LED flash, HDR, panorama
R11s
LED flash, HDR, panorama
Video
K15s
1080p@30/60fps
R11s
4K@30fps, 1080p@30fps
Single
K15s
8 MP, f/2.1, 25mm (wide)
R11s
20 MP, f/2.0, (wide), 1/2.8", 1.0µm
Features
K15s
Panorama
R11s
-
Video
K15s
1080p@30fps
R11s
1080p@30fps
Loudspeaker
K15s
Yes
R11s
Yes
3.5mm jack
K15s
No
R11s
Yes
WLAN
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R11s
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
K15s
5.4, A2DP, LE, aptX HD
R11s
4.2, A2DP, LE, EDR
Positioning
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
R11s
GPS, GLONASS
NFC
K15s
Yes
R11s
No
Infrared port
K15s
Yes
R11s
-
Radio
K15s
No
R11s
No
USB
K15s
USB Type-C 2.0, OTG
R11s
microUSB 2.0, OTG
Sensors
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
R11s
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
K15s
Si/C Li-Ion 8000 mAh
R11s
Li-Po 3200 mAh, non-removable
Charging
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
R11s
20W wired
Colors
K15s
Gray, Purple
R11s
Red, Black, Champagne
Models
K15s
PYE130
R11s
CPH1719, R11s
Price
K15s
About 270 EUR
R11s
About 450 EUR