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Intel Core Ultra 9 285K BOX (BX80768285K)

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Intel Core Ultra 9 285K BOX
Main
SeriesCore Ultra 9
Code nameArrow Lake
SocketIntel LGA 1851
Lithography3 nm
In boxBOX (no cooler)
Cores and Threads
Cores24 cores
Performance8 cores
Efficient16 cores
Threads24 threads
Speed
Performance-core Base3.7 GHz
Efficient-core Base3.2 GHz
TurboBoost / TurboCore5.7 GHz / Intel Thermal Velocity Boost /
TurboBoost Max 3.05.6 GHz
Performance-core Max5.5 GHz
Efficient-core Max4.6 GHz
Cache
L3 cache36 MB
Specs
AI accelerator (NPU)Intel AI (13 TOPS)
IGPIntel Graphics
TDP125 W
Thermal Dissipation Max(TDP)250 W
InstructionSSE4.1, SSE4.2, AVX2
Free multiplier
PCIe support5.0
PCIe lanes5.0 x20 / 4.0 x4
Max. operating temperature105 °С
Passmark CPU Mark test67373 points
Memory
Max. RAM192 GB
Max. DDR5 speed6400 MHz
Channels2
Official Websiteintel.com
Added to E-CatalogOctober 2024
P/N
BX80768285K

It uses P-cores with Lion Cove architecture and E-cores Skymont. A separate NPU block with a performance of 13 TOPS.
Lack of Hyper-Threading support for both types of cores.

High-performance 9th series processors designed for demanding tasks, including 4K gaming and working on complex projects in professional applications such as video editing, code compiling, 3D modeling, etc. They are positioned as high-end products aimed at the most demanding users who find the capabilities of high-tier Core Ultra 7 processors insufficient. They rank highly in benchmarks, comparable to models like the Ryzen 9 7950X3D and Core i9-14900KS.

Core Ultra 9 chips represent an entirely new generation of Intel processors replacing Intel Core chips. According to the manufacturer, the introduction of the "Core Ultra" brand marks significant changes in the company's processor lineup, which include an increase in the number of cores, enhanced core-specific power, improved energy efficiency, and advancements in AI technology.

The downside is the abandonment of the proprietary Hyper-Threading multi-threading technology. The Core Ultra 9-285 (Arrow Lake) subseries includes several similar processors with a hybrid architecture combining performance cores (P-cores) and energy-efficient cores (E-cores). This combination allows the processor to handle high-load tasks efficiently while ensuring energy efficiency during less intensive tasks.

P-cores operate at a base frequency of 3.7 GHz and can boost up to 5.5 GHz, while E-cores run at 3.2 GHz with a boost potential up to 4.6 GHz. TurboBoost Max 3.0 technology support can provide a temporary frequency increase up to 5.6 GHz — 5.7 GHz. The L3 cache size is 36 MB. The maximum supported DDR5 memory frequency reaches 6400 MHz. Additionally, PCIe 5.0 interface support and SSE4.1/SSE4.2/AVX2 instructions are declared. Installing Core Ultra 9 Arrow Lake chips will require a high-performance motherboard with an Intel LGA 1851 socket.

E-Catalog UK editor, CPUs
Valerii Lenko, edited 23.06.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Intel Core Ultra 9 285K LGA1851 24 cores 36 MB cache 5,7 BX80768285K

Intel Core Ultra 9 285K. Processor family: Intel Core Ultra 9, Processor socket: LGA 1851 (Socket V1), Package type: Box. Neu... moreral processor unit (NPU): Intel AI Boost, AI software frameworks supported by NPU: DirectML, OpenVINO, Windows ML, ONNX RT, WebNN, Total processor performance up to: 36 TOPs. Memory channels: Dual-channel, Maximum internal memory supported by processor: 192 GB, Memory types supported by processor: DDR5-SDRAM. On-board graphics card model: Intel® Graphics, On-board graphics card outputs supported: HDMI 2.1, Embedded DisplayPort (eDP) 1.4b, DisplayPort 2.1, On-board graphics card base frequency: 300 MHz. Market segment: Desktop, Use conditions: Workstation, PC/Client/Tablet, PCI Express slots version: 4.0, 5.0...
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