Compare Phones
Select up to 4 phones to compare side by side
xperia-z4-ultra
k15s
Display
Type
AMOLED
IPS_LCD
Size
6.57"
6.44"
Resolution
FHD+
FHD
Refresh Rate
120Hz
—
Brightness
1400 nits
—
Protection
—
Shatter proof glass
Platform
OS
ANDROID Android 16, ColorOS 16
ANDROID Android 5.0 (Lollipop)
Chipset
Mediatek Dimensity 6360 Max
Qualcomm MSM8994 Snapdragon 810
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
GPU
Mali-G57 MC2
Adreno 430
AnTuTu Score
—
—
Memory
RAM
6GB / 8GB
3GB
Storage
128GB / 256GB
16GB / 32GB
Storage Type
UFS 2.2
eMMC 5.0
Card Slot
Yes
Yes
Camera
Main Camera
50MP f/1.9
16MP
Selfie Camera
8MP f/2.1
—
Video (Max)
1080p@30/60fps
Yes
OIS
No
No
Battery
Capacity
8,000 mAh
4,000 mAh
Wired Charging
45W
18W
Wireless Charging
—
—
Fast Charging
—
—
Connectivity
Wi-Fi
Wi-Fi 5, Wi-Fi 4, Dual-band
Wi-Fi 5, Wi-Fi 4, Dual-band
Bluetooth
5.4
4.0
NFC
Yes
Yes
5G
Yes
No
USB
USB Type-C 2.0
microUSB 2.0 (MHL TV-out)
GPS
GPS, GLONASS, BeiDou, Galileo, QZSS
GPS, GLONASS, BeiDou
Body
Dimensions
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
-
Weight
205g
—
Build
Glass / plastic back / plastic frame
—
Water Resist
IP68
IP68
Colors
Gray, Purple
Black, White