Processor (CPU)
CPU Name
Intel® Core™ Ultra 9 285K
Threading
1 CPU / 8P + 16E Cores / 24 Threads
Frequency
5386.99 MHz (54 * 99.76 MHz) - Uncore: 3790.8 MHz
Multiplier
Current: 54 / 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
8 x 48 KB (12-way, 64-byte line) + 16 x 32 KB (8-way, 64-byte line)
L1 Inst. Cache
8 x 64 KB (16-way, 64-byte line) + 16 x 64 KB (8-way, 64-byte line)
L2 Cache
8 x 3 MB (12-way, 64-byte line) + 4 x 4 MB (16-way, 64-byte line)
L3 Cache
36 MB (12-way, 64-byte line)
Microcode
Rev. 0x116
TDP / Vcore
125 Watts / 0.748 Volts
Temperature
84 °C / 183 °F
Type
Retail
P-Cores Freq.
P00: 5386.99 MHz  P01: 5386.99 MHz  P10: 5386.99 MHz  P11: 5386.99 MHz 
P12: 5386.99 MHz  P13: 5386.99 MHz  P22: 5386.99 MHz  P23: 5386.99 MHz 
E-Cores Freq.
E02: 4588.91 MHz  E03: 4588.91 MHz  E04: 4588.91 MHz  E05: 4588.91 MHz 
E06: 4588.91 MHz  E07: 4588.91 MHz  E08: 4588.91 MHz  E09: 4588.91 MHz 
E14: 4588.91 MHz  E15: 4588.91 MHz  E16: 4588.91 MHz  E17: 4588.91 MHz 
E18: 4588.91 MHz  E19: 4588.91 MHz  E20: 4588.91 MHz  E21: 4588.91 MHz 
Motherboard
Model
HP 8D2C
Socket
Socket 1851 LGA
North Bridge
Intel Arrow Lake rev 01
South Bridge
Intel Z890 rev 10
BIOS
AMI F.07 (05/06/2025)
Memory (RAM)
Total Size
65536 MB
Type
Quad Channel (128 bit) DDR5-SDRAM
Frequency
2793.2 MHz (DDR5-5586) - Ratio 3:84
Timings
46-45-45-90-2 (tCAS-tRCD-tRP-tRAS-tCR)
Graphic Card (GPU)
GPU #1 Type
Intel(R) Graphics (Arrow Lake) @ 2000 MHz
GPU #1 Brand
Hewlett-Packard
GPU #1 VRAM
128 MB
GPU #2 Type
NVIDIA GeForce RTX 5090 (GB202-300) @ 2407 MHz
GPU #2 Brand
Hewlett-Packard
GPU #2 Specs
GB202-300 / Process: 4nm / Transistors: 92.2B / Die Size: 720 mm² / TDP: 575W
GPU #2 Units
Shader Units: 21760 / Texture Units (TMU): 680 / Render Units (ROP): 176
GPU #2 VRAM
32607 MB GDDR7 / 512-bit Bus @ 14001 MHz (Samsung)
GPU #2 APIs
DirectX 12.2 (12_2) / OpenGL 4.6 / OpenCL 3.0 / Vulkan 1.3
Storage (HDD/SSD)
Model #1 Name
Western Digital WD PC SN5000S SDEPNSJ-2T00-1006 (FW: HPS1N5A)
Model #1 Capacity
1907.7 GiB (~2050 GB)
Model #1 Type
Fixed, SSD - Bus: NVMe (17)
Model #2 Name
Samsung SSD 980 PRO 2TB (FW: 5B2QGXA7)
Model #2 Capacity
1863.0 GiB (~2000 GB)
Model #2 Type
Fixed, SSD - Bus: NVMe (17)
Display
Screen #1
Samsung LU28R55 (SAM1015)
Screen #1 Spec
28.6 inches (72.6 cm) / 3840 x 2160 pixels @ 30-75 Hz
Screen #2
Samsung LU28R55 (SAM1015)
Screen #2 Spec
28.6 inches (72.6 cm) / 3840 x 2160 pixels @ 30-75 Hz
Miscellaneous
Windows Version
Microsoft Windows 11 Professional (x64)
CPU-Z Version
2.16.0 (64 bit)