Screen size
K15xWinner: 6.8"+48%
R811 Real3.5"
Quick verdict
K15x leads the measured specs 17-2.
Measured wins
K15x
17
spec wins
Overall winner
Ties
3
equal specs
R811 Real
2
spec wins
Screen size
Technology
K15x
GSM / HSPA / LTE / 5G
R811 Real
GSM
2G bands
K15x
GSM 850 / 900 / 1800 / 1900
R811 Real
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
K15x
HSDPA 850 / 900 / 2100
R811 Real
TD-SCDMA
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
Front 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
R811 Real
-
5G bands
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
R811 Real
-
Speed
K15x
HSPA, LTE, 5G
R811 Real
HSPA
GPRS
K15x
-
R811 Real
Yes
EDGE
K15x
-
R811 Real
Yes
Announced
K15x
2026, October 02
R811 Real
2012, October. Released 2012, December
Status
K15x
Available. Released 2026, October 02
R811 Real
Discontinued
Dimensions
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
R811 Real
115.2 x 61.5 x 10.9 mm (4.54 x 2.42 x 0.43 in)
Weight
K15x
212 g (7.48 oz)
R811 Real
119 g (4.20 oz)
Build
K15x
Glass front, plastic frame, plastic back
R811 Real
-
SIM
K15x
Nano-SIM + Nano-SIM
R811 Real
Dual SIM (Mini-SIM, dual stand-by)
Other
K15x
IP64 dust tight and water resistant (water splashes)
R811 Real
-
Type
K15x
IPS LCD, 120Hz, 1125 nits (peak)
R811 Real
TFT
Size
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
R811 Real
3.5 inches, 36.5 cm2 (~51.5% screen-to-body ratio)
Resolution
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
R811 Real
320 x 480 pixels, 3:2 ratio (~165 ppi density)
OS
K15x
Android 16, ColorOS 16
R811 Real
Android 4.0.4 (Ice Cream Sandwich)
Chipset
K15x
Mediatek Dimensity 6300 (6 nm)
R811 Real
Mediatek MT6515
CPU
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R811 Real
1.0 GHz Cortex-A9
GPU
K15x
Mali-G57 MC2
R811 Real
PowerVR SGX531
Card slot
K15x
microSDXC
R811 Real
microSDHC (dedicated slot)
Internal
K15x
128GB 6GB RAM, 256GB 6GB RAM
R811 Real
4GB 512MB RAM
Other
K15x
UFS 2.2
R811 Real
-
Dual
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
R811 Real
-
Features
K15x
LED flash, HDR, panorama
R811 Real
-
Video
K15x
1080p@30/60fps
R811 Real
Yes
Single
K15x
-
R811 Real
3.15 MP, AF
Single
K15x
5 MP, f/2.2, 27mm (wide)
R811 Real
Yes
Features
K15x
Panorama
R811 Real
-
Video
K15x
1080p@30fps
R811 Real
Loudspeaker
K15x
Yes
R811 Real
Yes
3.5mm jack
K15x
Yes
R811 Real
Yes
WLAN
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R811 Real
Wi-Fi 802.11 b/g, hotspot
Bluetooth
K15x
5.4, A2DP, LE, aptX HD
R811 Real
Yes
Positioning
K15x
GPS, GALILEO, GLONASS, QZSS
R811 Real
GPS
NFC
K15x
Yes
R811 Real
No
Radio
K15x
No
R811 Real
No
USB
K15x
USB Type-C 2.0, OTG
R811 Real
microUSB 2.0
Sensors
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
R811 Real
Accelerometer, proximity
Type
K15x
6500 mAh
R811 Real
Li-Ion 1520 mAh, removable
Charging
K15x
45W wired 5W reverse wired
R811 Real
-
Stand-by
K15x
-
R811 Real
Up to 250 h
Talk time
K15x
-
R811 Real
Up to 10 h
Colors
K15x
Purple, White
R811 Real
White
Models
K15x
PLT150
R811 Real
-
Price
K15x
About 230 EUR
R811 Real
About 150 EUR