Screen size
K15xWinner: 6.8"+5.2%
R15x6.4"
Quick verdict
K15x leads the measured specs 11-6.
Measured wins
K15x
11
spec wins
Overall winner
Ties
5
equal specs
R15x
6
spec wins
Screen size
Technology
K15x
GSM / HSPA / LTE / 5G
R15x
GSM / CDMA / HSPA / LTE
2G bands
K15x
GSM 850 / 900 / 1800 / 1900
R15x
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
K15x
HSDPA 850 / 900 / 2100
R15x
HSDPA 850 / 1700(AWS) / 2100 / 900
4G bands
K15x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
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
equal specsSD card
Stereo speakers
R15x
1, 3, 4, 5, 8, 34, 38, 39, 40, 41
5G bands
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
R15x
-
Speed
K15x
HSPA, LTE, 5G
R15x
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
K15x
2026, October 02
R15x
2018, October. Released 2018, November
Status
K15x
Available. Released 2026, October 02
R15x
Discontinued
Dimensions
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
R15x
158.3 x 75.5 x 7.4 mm (6.23 x 2.97 x 0.29 in)
Weight
K15x
212 g (7.48 oz)
R15x
156 g (5.50 oz)
Build
K15x
Glass front, plastic frame, plastic back
R15x
-
SIM
K15x
Nano-SIM + Nano-SIM
R15x
Nano-SIM + Nano-SIM
Other
K15x
IP64 dust tight and water resistant (water splashes)
R15x
-
Type
K15x
IPS LCD, 120Hz, 1125 nits (peak)
R15x
Super AMOLED
Size
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
R15x
6.4 inches, 101.0 cm2 (~84.5% screen-to-body ratio)
Resolution
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
R15x
1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
Protection
K15x
-
R15x
Corning Gorilla Glass 5
OS
K15x
Android 16, ColorOS 16
R15x
Android 8.1 (Oreo), planned upgrade to Android 9.0 (Pie), ColorOS 6.0
Chipset
K15x
Mediatek Dimensity 6300 (6 nm)
R15x
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
K15x
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
K15x
Mali-G57 MC2
R15x
Adreno 512
Card slot
K15x
microSDXC
R15x
No
Internal
K15x
128GB 6GB RAM, 256GB 6GB RAM
R15x
128GB 6GB RAM
Other
K15x
UFS 2.2
R15x
eMMC 5.1
Dual
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
R15x
16 MP, f/1.7, 1/2.8", 1.12µm, PDAF Auxiliary lens
Features
K15x
LED flash, HDR, panorama
R15x
LED flash, HDR, panorama
Video
K15x
1080p@30/60fps
R15x
4K@30fps, 1080p@30fps
Single
K15x
5 MP, f/2.2, 27mm (wide)
R15x
25 MP, f/2.0, 1/2.8", 0.9µm
Features
K15x
Panorama
R15x
HDR
Video
K15x
1080p@30fps
R15x
1080p@30fps
Loudspeaker
K15x
Yes
R15x
Yes
3.5mm jack
K15x
Yes
R15x
Yes
WLAN
K15x
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
K15x
5.4, A2DP, LE, aptX HD
R15x
5.0, A2DP, LE
Positioning
K15x
GPS, GALILEO, GLONASS, QZSS
R15x
GPS
NFC
K15x
Yes
R15x
No
Radio
K15x
No
R15x
No
USB
K15x
USB Type-C 2.0, OTG
R15x
microUSB 2.0, OTG
Sensors
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
R15x
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
K15x
6500 mAh
R15x
Li-Ion 3600 mAh, non-removable
Charging
K15x
45W wired 5W reverse wired
R15x
10W wired
Colors
K15x
Purple, White
R15x
Nebula, Silver Green
Models
K15x
PLT150
R15x
PBCM10
Price
K15x
About 230 EUR
R15x
About 350 EUR