Screen size
K15xWinner: 6.8"+19%
R7s5.5"
Quick verdict
K15x leads the measured specs 13-5.
Measured wins
K15x
13
spec wins
Overall winner
Ties
4
equal specs
R7s
5
spec wins
Screen size
Technology
K15x
GSM / HSPA / LTE / 5G
R7s
GSM / HSPA / LTE
2G bands
K15x
GSM 850 / 900 / 1800 / 1900
R7s
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
K15x
HSDPA 850 / 900 / 2100
R7s
HSDPA 850 / 900 / 1900 / 2100 - Global, Taiwan, USA
4G bands
K15x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
R7s
1, 3, 5, 7, 8, 20, 40 - Global, 1, 3, 5, 7, 8, 28, 38, 39, 40, 41 - Taiwan, 1, 2, 4, 7, 17 - USA
5G bands
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
R7s
-
Speed
K15x
HSPA, LTE, 5G
R7s
HSPA, LTE Cat4 150/50 Mbps
Announced
K15x
2026, October 02
R7s
2015, October. Released 2015, December
Status
K15x
Available. Released 2026, October 02
R7s
Discontinued
Dimensions
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
R7s
151.8 x 75.4 x 7 mm (5.98 x 2.97 x 0.28 in)
Weight
K15x
212 g (7.48 oz)
R7s
155 g (5.47 oz)
Build
K15x
Glass front, plastic frame, plastic back
R7s
-
SIM
K15x
Nano-SIM + Nano-SIM
R7s
Nano-SIM + Micro-SIM
Other
K15x
IP64 dust tight and water resistant (water splashes)
R7s
-
Type
K15x
IPS LCD, 120Hz, 1125 nits (peak)
R7s
AMOLED
Size
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
R7s
5.5 inches, 83.4 cm2 (~72.9% screen-to-body ratio)
Resolution
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
R7s
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection
K15x
-
R7s
Corning Gorilla Glass 3
OS
K15x
Android 16, ColorOS 16
R7s
Android 5.1 (Lollipop), ColorOS 2.1
Chipset
K15x
Mediatek Dimensity 6300 (6 nm)
R7s
Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R7s
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
K15x
Mali-G57 MC2
R7s
Adreno 405
Card slot
K15x
microSDXC
R7s
microSDXC (uses shared SIM slot)
Internal
K15x
128GB 6GB RAM, 256GB 6GB RAM
R7s
32GB 4GB RAM
Other
K15x
UFS 2.2
R7s
eMMC 4.5
Dual
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
R7s
-
Features
K15x
LED flash, HDR, panorama
R7s
LED flash, panorama, HDR
Video
K15x
1080p@30/60fps
R7s
1080p@30fps
Single
K15x
-
R7s
13 MP, f/2.2, PDAF
Single
K15x
5 MP, f/2.2, 27mm (wide)
R7s
8 MP, f/2.4
Features
K15x
Panorama
R7s
-
Video
K15x
1080p@30fps
R7s
Loudspeaker
K15x
Yes
R7s
Yes
3.5mm jack
K15x
Yes
R7s
Yes
WLAN
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R7s
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Bluetooth
K15x
5.4, A2DP, LE, aptX HD
R7s
4.0, A2DP
Positioning
K15x
GPS, GALILEO, GLONASS, QZSS
R7s
GPS
NFC
K15x
Yes
R7s
No
Radio
K15x
No
R7s
No
USB
K15x
USB Type-C 2.0, OTG
R7s
microUSB 2.0, OTG
Sensors
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
R7s
Accelerometer, proximity, compass
Type
K15x
6500 mAh
R7s
Li-Po 3070 mAh, non-removable
Charging
K15x
45W wired 5W reverse wired
R7s
20W wired, 75% in 30 min
Colors
K15x
Purple, White
R7s
Golden
Models
K15x
PLT150
R7s
R7sf
Price
K15x
About 230 EUR
R7s
About 260 EUR