Screen size
K15sWinner: 6.6"+24%
R1 R829T5.0"
Quick verdict
K15s leads the measured specs 18-3.
Measured wins
K15s
18
spec wins
Overall winner
Ties
1
equal specs
R1 R829T
3
spec wins
Screen size
Technology
K15s
GSM / HSPA / LTE / 5G
R1 R829T
GSM
2G bands
K15s
GSM 850 / 900 / 1800 / 1900
R1 R829T
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
K15s
HSDPA 850 / 900 / 2100
R1 R829T
TD-SCDMA
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
R1 R829T
-
5G bands
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
R1 R829T
-
Speed
K15s
HSPA, LTE, 5G
R1 R829T
HSPA
GPRS
K15s
-
R1 R829T
Yes
EDGE
K15s
-
R1 R829T
Yes
Announced
K15s
2026, October 02
R1 R829T
2013, December. Released 2013, December
Status
K15s
Available. Released 2026, October 02
R1 R829T
Discontinued
Dimensions
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
R1 R829T
142.7 x 70.4 x 7.1 mm (5.62 x 2.77 x 0.28 in)
Weight
K15s
205 g (7.23 oz)
R1 R829T
140 g (4.94 oz)
Build
K15s
Glass front, plastic frame, plastic back
R1 R829T
-
SIM
K15s
Nano-SIM + Nano-SIM
R1 R829T
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
R1 R829T
-
Type
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
R1 R829T
IPS LCD
Size
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
R1 R829T
5.0 inches, 68.9 cm2 (~68.6% screen-to-body ratio)
Resolution
K15s
1080 x 2372 pixels (~397 ppi density)
R1 R829T
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
K15s
-
R1 R829T
Corning Gorilla Glass 3
OS
K15s
Android 16, ColorOS 16
R1 R829T
Android 4.2.1 (Jelly Bean)
Chipset
K15s
Mediatek Dimensity 6360 Max (6 nm)
R1 R829T
Mediatek MT6582 (28 nm)
CPU
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R1 R829T
Quad-core 1.3 GHz Cortex-A7
GPU
K15s
Mali-G57 MC2
R1 R829T
Mali-400MP2
Card slot
K15s
microSDXC
R1 R829T
No
Internal
K15s
128GB 6GB RAM, 256GB 8GB RAM
R1 R829T
16GB 1GB RAM
Other
K15s
UFS 2.2
R1 R829T
-
Dual
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
R1 R829T
-
Features
K15s
LED flash, HDR, panorama
R1 R829T
LED flash, panorama, HDR
Video
K15s
1080p@30/60fps
R1 R829T
1080p@30fps
Single
K15s
-
R1 R829T
8 MP, AF
Single
K15s
8 MP, f/2.1, 25mm (wide)
R1 R829T
5 MP
Features
K15s
Panorama
R1 R829T
-
Video
K15s
1080p@30fps
R1 R829T
Loudspeaker
K15s
Yes
R1 R829T
Yes
3.5mm jack
K15s
No
R1 R829T
Yes
WLAN
K15s
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
K15s
5.4, A2DP, LE, aptX HD
R1 R829T
4.0, A2DP
Positioning
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
R1 R829T
GPS
NFC
K15s
Yes
R1 R829T
No
Infrared port
K15s
Yes
R1 R829T
-
Radio
K15s
No
R1 R829T
Stereo FM radio, RDS
USB
K15s
USB Type-C 2.0, OTG
R1 R829T
microUSB 2.0
Sensors
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
R1 R829T
Accelerometer, gyro, proximity
Type
K15s
Si/C Li-Ion 8000 mAh
R1 R829T
Li-Ion 2410 mAh, non-removable
Charging
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
R1 R829T
-
Colors
K15s
Gray, Purple
R1 R829T
White, Black
Models
K15s
PYE130
R1 R829T
-
Price
K15s
About 270 EUR
R1 R829T
About 300 EUR