Screen size
K15sWinner: 6.6"+28%
R8194.7"
Quick verdict
K15s leads the measured specs 18-3.
Measured wins
K15s
18
spec wins
Overall winner
Ties
1
equal specs
R819
3
spec wins
Screen size
Technology
K15s
GSM / HSPA / LTE / 5G
R819
GSM / HSPA
2G bands
K15s
GSM 850 / 900 / 1800 / 1900
R819
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
K15s
HSDPA 850 / 900 / 2100
R819
HSDPA 850 / 900 / 2100 - SIM 1 & SIM 2
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
Stereo speakers
R819
-
5G bands
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
R819
-
Speed
K15s
HSPA, LTE, 5G
R819
HSPA
Announced
K15s
2026, October 02
R819
2013, August. Released 2013, September
Status
K15s
Available. Released 2026, October 02
R819
Discontinued
Dimensions
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
R819
136.5 x 68 x 7.3 mm (5.37 x 2.68 x 0.29 in)
Weight
K15s
205 g (7.23 oz)
R819
110 g (3.88 oz)
Build
K15s
Glass front, plastic frame, plastic back
R819
-
SIM
K15s
Nano-SIM + Nano-SIM
R819
Dual SIM (Micro-SIM, dual stand-by)
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
R819
-
Type
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
R819
IPS LCD
Size
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
R819
4.7 inches, 60.9 cm2 (~65.6% screen-to-body ratio)
Resolution
K15s
1080 x 2372 pixels (~397 ppi density)
R819
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
OS
K15s
Android 16, ColorOS 16
R819
Android 4.2.1 (Jelly Bean)
Chipset
K15s
Mediatek Dimensity 6360 Max (6 nm)
R819
Mediatek MT6589 (28 nm)
CPU
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R819
Quad-core 1.2 GHz Cortex-A7
GPU
K15s
Mali-G57 MC2
R819
PowerVR SGX544
Card slot
K15s
microSDXC
R819
No
Internal
K15s
128GB 6GB RAM, 256GB 8GB RAM
R819
16GB 1GB RAM
Other
K15s
UFS 2.2
R819
-
Dual
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
R819
-
Features
K15s
LED flash, HDR, panorama
R819
LED flash, panorama, HDR
Video
K15s
1080p@30/60fps
R819
1080p@30fps
Single
K15s
-
R819
8 MP, AF
Single
K15s
8 MP, f/2.1, 25mm (wide)
R819
1.9 MP
Features
K15s
Panorama
R819
-
Video
K15s
1080p@30fps
R819
Loudspeaker
K15s
Yes
R819
Yes
3.5mm jack
K15s
No
R819
Yes
WLAN
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R819
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
Bluetooth
K15s
5.4, A2DP, LE, aptX HD
R819
3.0
Positioning
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
R819
GPS
NFC
K15s
Yes
R819
No
Infrared port
K15s
Yes
R819
-
Radio
K15s
No
R819
Stereo FM radio, RDS
USB
K15s
USB Type-C 2.0, OTG
R819
microUSB 2.0
Sensors
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
R819
Accelerometer, gyro, proximity
Type
K15s
Si/C Li-Ion 8000 mAh
R819
Li-Ion 2000 mAh, non-removable
Charging
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
R819
-
Colors
K15s
Gray, Purple
R819
White
Models
K15s
PYE130
R819
-
Price
K15s
About 270 EUR
R819
About 250 EUR