Processor (CPU)
CPU Name
Intel® Core™ Ultra 9 285K
Threading
1 CPU / 2P + 2E Cores / 4 Threads
Frequency
400.01 MHz (4 * 100 MHz) - Uncore: 400 MHz
Multiplier
Current: 4 / Min: 4 / Max: 57
Architecture
Arrow Lake / Stepping: B0 / Technology: 3 nm
CPUID / Ext.
6.6.2 / 6.C6
IA Extensions
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, AES, AVX, AVX2, FMA3, SHA
L1 Data Cache
2 x 48 KB (12-way, 64-byte line) + 2 x 32 KB (8-way, 64-byte line)
L1 Inst. Cache
2 x 64 KB (16-way, 64-byte line) + 2 x 64 KB (8-way, 64-byte line)
L2 Cache
2 x 3 MB (12-way, 64-byte line) + 4 MB (16-way, 64-byte line)
L3 Cache
36 MB (12-way, 64-byte line)
Microcode
Rev. 0x117
TDP / Vcore
125 Watts / 0.713 Volts
Temperature
29 °C / 84 °F
Type
Engineering Sample
P-Cores Freq.
P00: 400.01 MHz  P01: 400.01 MHz 
E-Cores Freq.
E02: 400.01 MHz  E03: 400.01 MHz 
Motherboard
Model
Gigabyte Z890 AORUS TACHYON ICE
Socket
Socket 1851 LGA
North Bridge
Intel Arrow Lake rev 01
South Bridge
Intel Z890 rev 10
BIOS
American Megatrends International LLC. X7h (05/09/2025)
Memory (RAM)
Total Size
24576 MB
Type
Single Channel (32 bit) DDR5-SDRAM
Frequency
5800.1 MHz (DDR5-11600) - Ratio 1:58.0
Timings
70-120-120-127-2 (tCAS-tRCD-tRP-tRAS-tCR)
Slot #1 Module
G.Skill 24576 MB (DDR5-6400) - XMP 3.0 - P/N: F5-8800C4255H24G
Graphic Card (GPU)
GPU Type
NVIDIA GeForce GT 720 (GK208) @ 797 MHz
GPU Brand
ASUSTeK Computer Inc.
GPU VRAM
2048 MB @ 900 MHz (Hynix)
Display
Screen #1
SU14T (WCS1A1B)
Screen #1 Spec
0 inches (0 cm) / 3840 x 2160 pixels @ 40-61 Hz
Miscellaneous
Windows Version
Microsoft Windows 11 Home (x64)
CPU-Z Version
2.18.0 (64 bit)