Screen size
K15sWinner: 6.6"+2.6%
Reno Z6.4"
Quick verdict
K15s leads the measured specs 15-5.
Measured wins
K15s
15
spec wins
Overall winner
Ties
3
equal specs
Reno Z
5
spec wins
Screen size
Technology
K15s
GSM / HSPA / LTE / 5G
Reno Z
GSM / CDMA / HSPA / EVDO / LTE
2G bands
K15s
GSM 850 / 900 / 1800 / 1900
Reno Z
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
K15s
HSDPA 850 / 900 / 2100
Reno Z
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
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
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
NFC
equal specs3.5mm jack
SD card
Stereo speakers
Reno Z
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 41
5G bands
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Reno Z
-
Speed
K15s
HSPA, LTE, 5G
Reno Z
HSPA, LTE
Announced
K15s
2026, October 02
Reno Z
2019, May. Released 2019, June
Status
K15s
Available. Released 2026, October 02
Reno Z
Discontinued
Dimensions
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Reno Z
157.3 x 74.9 x 9.1 mm (6.19 x 2.95 x 0.36 in)
Weight
K15s
205 g (7.23 oz)
Reno Z
186 g (6.56 oz)
Build
K15s
Glass front, plastic frame, plastic back
Reno Z
Glass front (Gorilla Glass 5), glass back, plastic frame
SIM
K15s
Nano-SIM + Nano-SIM
Reno Z
Nano-SIM + Nano-SIM
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
Reno Z
-
Type
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Reno Z
AMOLED, HDR10
Size
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Reno Z
6.4 inches, 101.0 cm2 (~85.8% screen-to-body ratio)
Resolution
K15s
1080 x 2372 pixels (~397 ppi density)
Reno Z
1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
Protection
K15s
-
Reno Z
Corning Gorilla Glass 5
OS
K15s
Android 16, ColorOS 16
Reno Z
Android 9.0 (Pie), planned upgrade to Android 10, ColorOS 7.0
Chipset
K15s
Mediatek Dimensity 6360 Max (6 nm)
Reno Z
Mediatek MT6779 Helio P90 (12 nm)
CPU
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Reno Z
Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)
GPU
K15s
Mali-G57 MC2
Reno Z
PowerVR GM9446
Card slot
K15s
microSDXC
Reno Z
No
Internal
K15s
128GB 6GB RAM, 256GB 8GB RAM
Reno Z
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM
Other
K15s
UFS 2.2
Reno Z
UFS 2.1
Dual
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
Reno Z
48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF Auxiliary lens
Features
K15s
LED flash, HDR, panorama
Reno Z
Dual-LED flash, HDR, panorama
Video
K15s
1080p@30/60fps
Reno Z
4K@30fps, 1080p@30/60/120fps (gyro-EIS)
Single
K15s
8 MP, f/2.1, 25mm (wide)
Reno Z
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Features
K15s
Panorama
Reno Z
HDR
Video
K15s
1080p@30fps
Reno Z
1080p@30fps
Loudspeaker
K15s
Yes
Reno Z
Yes, with stereo speakers
3.5mm jack
K15s
No
Reno Z
Yes
Other
K15s
-
Reno Z
24-bit/192kHz Hi-Res audio
WLAN
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Reno Z
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
K15s
5.4, A2DP, LE, aptX HD
Reno Z
5.0, A2DP, EDR, LE, aptX HD
Positioning
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
Reno Z
GPS, GLONASS, GALILEO, BDS
NFC
K15s
Yes
Reno Z
Yes
Infrared port
K15s
Yes
Reno Z
-
Radio
K15s
No
Reno Z
FM radio
USB
K15s
USB Type-C 2.0, OTG
Reno Z
USB Type-C, OTG
Sensors
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Reno Z
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
K15s
Si/C Li-Ion 8000 mAh
Reno Z
Li-Po 4035 mAh, non-removable
Charging
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
Reno Z
20W wired
Colors
K15s
Gray, Purple
Reno Z
Jet Black, Aurora Purple - EuropeStar Purple, Extreme Night Black, Coral Orange, Bead White - China
Models
K15s
PYE130
Reno Z
PCDM10, CPH1979
Price
K15s
About 270 EUR
Reno Z
About 330 EUR