Screen size
K15xWinner: 6.8"+26%
R1 R829T5.0"
Quick verdict
K15x leads the measured specs 16-3.
Measured wins
K15x
16
spec wins
Overall winner
Ties
3
equal specs
R1 R829T
3
spec wins
Screen size
Technology
K15x
GSM / HSPA / LTE / 5G
R1 R829T
GSM
2G bands
K15x
GSM 850 / 900 / 1800 / 1900
R1 R829T
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
K15x
HSDPA 850 / 900 / 2100
R1 R829T
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
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
Stereo speakers
R1 R829T
-
5G bands
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
R1 R829T
-
Speed
K15x
HSPA, LTE, 5G
R1 R829T
HSPA
GPRS
K15x
-
R1 R829T
Yes
EDGE
K15x
-
R1 R829T
Yes
Announced
K15x
2026, October 02
R1 R829T
2013, December. Released 2013, December
Status
K15x
Available. Released 2026, October 02
R1 R829T
Discontinued
Dimensions
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
R1 R829T
142.7 x 70.4 x 7.1 mm (5.62 x 2.77 x 0.28 in)
Weight
K15x
212 g (7.48 oz)
R1 R829T
140 g (4.94 oz)
Build
K15x
Glass front, plastic frame, plastic back
R1 R829T
-
SIM
K15x
Nano-SIM + Nano-SIM
R1 R829T
Dual SIM (Micro-SIM, dual stand-by)
Other
K15x
IP64 dust tight and water resistant (water splashes)
R1 R829T
-
Type
K15x
IPS LCD, 120Hz, 1125 nits (peak)
R1 R829T
IPS LCD
Size
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
R1 R829T
5.0 inches, 68.9 cm2 (~68.6% screen-to-body ratio)
Resolution
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
R1 R829T
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
K15x
-
R1 R829T
Corning Gorilla Glass 3
OS
K15x
Android 16, ColorOS 16
R1 R829T
Android 4.2.1 (Jelly Bean)
Chipset
K15x
Mediatek Dimensity 6300 (6 nm)
R1 R829T
Mediatek MT6582 (28 nm)
CPU
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R1 R829T
Quad-core 1.3 GHz Cortex-A7
GPU
K15x
Mali-G57 MC2
R1 R829T
Mali-400MP2
Card slot
K15x
microSDXC
R1 R829T
No
Internal
K15x
128GB 6GB RAM, 256GB 6GB RAM
R1 R829T
16GB 1GB RAM
Other
K15x
UFS 2.2
R1 R829T
-
Dual
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
R1 R829T
-
Features
K15x
LED flash, HDR, panorama
R1 R829T
LED flash, panorama, HDR
Video
K15x
1080p@30/60fps
R1 R829T
1080p@30fps
Single
K15x
-
R1 R829T
8 MP, AF
Single
K15x
5 MP, f/2.2, 27mm (wide)
R1 R829T
5 MP
Features
K15x
Panorama
R1 R829T
-
Video
K15x
1080p@30fps
R1 R829T
Loudspeaker
K15x
Yes
R1 R829T
Yes
3.5mm jack
K15x
Yes
R1 R829T
Yes
WLAN
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R1 R829T
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
Bluetooth
K15x
5.4, A2DP, LE, aptX HD
R1 R829T
4.0, A2DP
Positioning
K15x
GPS, GALILEO, GLONASS, QZSS
R1 R829T
GPS
NFC
K15x
Yes
R1 R829T
No
Radio
K15x
No
R1 R829T
Stereo FM radio, RDS
USB
K15x
USB Type-C 2.0, OTG
R1 R829T
microUSB 2.0
Sensors
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
R1 R829T
Accelerometer, gyro, proximity
Type
K15x
6500 mAh
R1 R829T
Li-Ion 2410 mAh, non-removable
Charging
K15x
45W wired 5W reverse wired
R1 R829T
-
Colors
K15x
Purple, White
R1 R829T
White, Black
Models
K15x
PLT150
R1 R829T
-
Price
K15x
About 230 EUR
R1 R829T
About 300 EUR