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Silver rectangular CPU with gold contacts and green substrate visible

Intel

Intel Core Ultra 9 285K BX80768285K desktop processor

SKU CH-VJ95-MZGCV MPN BX80768285K

24-core Arrow Lake desktop CPU with 8 performance and 16 efficient cores, 5.7 GHz max turbo, 36 MB L3 cache, DDR5-6400 support, and integrated Intel graphics on LGA 1851 socket

  • Processors TypeDesktop
  • NameCore Ultra 9 285K
  • CPU Socket TypeLGA 1851
  • Core NameArrow Lake
  • # of Cores24-Core (8P+16E)
  • # of Threads24-Threads

Options Core Ultra 9 285K

  • 24 cores (8 performance + 16 efficient) handle heavy multitasking
  • 7 GHz max turbo frequency speeds single-thread workloads
  • 3 nm TSMC N3B process improves performance per watt
  • 36 MB L3 and 40 MB L2 cache reduce latency
  • DDR5 6400 dual-channel support up to 256 GB memory

Built for Enthusiast Workloads

The Intel Core Ultra 9 285K is a 24-core desktop processor with 8 performance cores and 16 efficient cores. It targets enthusiasts and entry workstation users who need high single-thread speed and strong multi-thread throughput. The boxed unit ships without a cooler.

LGA 1851 Platform Limits

The CPU fits the new LGA 1851 socket and supports DDR5 6400 memory in dual-channel mode up to 256 GB. Base power is 125 W, while maximum turbo power will be higher under heavy loads. Integrated graphics run on the Xe LPG architecture at 300 MHz base frequency.

Check Cooler and Memory Clearance

Verify that your motherboard uses the LGA 1851 socket and a compatible chipset before purchase. Ensure your CPU cooler is rated for at least 125 W base power and clears the socket keep-out zone. Confirm DDR5 6400 modules are on the board's qualified vendor list for stable operation.

Points forts

  • 24 cores (8 performance + 16 efficient) handle heavy multitasking
  • 7 GHz max turbo frequency speeds single-thread workloads
  • 3 nm TSMC N3B process improves performance per watt
  • 36 MB L3 and 40 MB L2 cache reduce latency
  • DDR5 6400 dual-channel support up to 256 GB memory

Caractéristiques

BrandIntel
Processors TypeDesktop
SeriesCore Ultra 9 (Series 2)
NameCore Ultra 9 285K
ModelBX80768285K
CPU Socket TypeLGA 1851
Core NameArrow Lake
# of Cores24-Core (8P+16E)
# of Threads24-Threads
Operating FrequencyPerformance-core Base Frequency: 3.7 GHz
Efficient-core Base Frequency: 3.2 GHz
Max Turbo FrequencyIntel Thermal Velocity Boost Frequency: 5.7 GHz
Intel Turbo Boost Max Technology 3.0 Frequency: 5.6 GHz
Performance-core Max Turbo Frequency: 5.5 GHz
Efficient-core Max Turbo Frequency: 4.6 GHz
L2 Cache40MB
L3 Cache36MB
Manufacturing Tech3nm (TSMC N3B)
Instruction Set64-Bit
Memory TypesDDR5 6400
Memory Channel2
Max Memory Size256 GB
Integrated GraphicsIntel Graphics
Graphics Base Frequency300 MHz
Scalability1S Only
PCI Express Revision5.0 / 4.0
PCI Express ConfigurationsUp to 1x16+2x4, 2x8+2x4, 1x8+4x4
Max Number of PCI Express Lanes24
Thermal Design Power125W
Max Turbo Power250W
Cooling DeviceCooling device not included - Processor Only
Advanced TechnologiesIntel Gaussian & Neural Accelerator: 3.5
Intel Thread Director: Yes
Intel Speed Shift Technology: Yes
Intel Thermal Velocity Boost: Yes
Intel Turbo Boost Max Technology 3.0: Yes
Intel Turbo Boost Technology: 2.0
Intel Hyper-Threading Technology: No
Intel 64: Yes
Instruction Set: 64-bit
Instruction Set Extensions: Intel SSE4.1, Intel SSE4.2, Intel AVX2
Idle States: Yes
Enhanced Intel SpeedStep Technology: Yes
Thermal Monitoring Technologies: Yes
Intel Volume Management Device (VMD): Yes
Security & ReliabilityIntel vPro Eligibility: Intel vPro Enterprise
Intel Threat Detection Technology (TDT): Yes
Intel Active Management Technology (AMT): Yes
Intel Standard Manageability (ISM): Yes
Intel Remote Platform Erase (RPE): Yes
Intel One-Click Recovery: Yes
Intel Secure Key: Yes
Intel Control-Flow Enforcement Technology: Yes
Intel Total Memory Encryption - Multi Key: Yes
Intel AES New Instructions: Yes
Intel Trusted Execution Technology: Yes
Execute Disable Bit: Yes
Intel OS Guard: Yes
Intel Boot Guard: Yes
Mode-based Execute Control (MBEC): Yes
Intel Stable IT Platform Program (SIPP): Yes
Intel
Poids d’expédition0.32 kg
Dimensions du colis165 × 153 × 64 mm

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Questions sur cet article

Which Core Ultra 9 285K variant should I pick?

The boxed BX80768285K is the only retail version sold; it ships as a processor-only unit without a cooler, so plan for a separate LGA 1851-compatible cooling solution.

What does the 5.7 GHz Thermal Velocity Boost mean in daily use?

That is the peak single-core speed the chip can reach when power, temperature and workload allow; sustained all-core speeds will sit lower, typically around the 5.5 GHz P-core and 4.6 GHz E-core max turbo figures.

How does the DDR5 6400 memory controller limit my RAM choice?

The integrated controller officially supports up to DDR5 6400 at two channels with a maximum capacity of 256 GB; faster kits will run at 6400 unless the motherboard and BIOS enable higher validated speeds.

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