





Intel Core Ultra 9 285K Desktop Processor (24 Cores: 8P+16E, 24 Threads, up to 5.7 GHz, LGA 1851)
Brand: Intel
Model: Core Ultra 9 285K (Unlocked)
Cores / Threads: 24 Cores (8P + 16E) / 24 Threads
Clocks: 3.7 GHz P-core base, up to 5.7 GHz turbo
Cache: 36 MB Smart Cache
Graphics: Intel Graphics
Socket: LGA 1851, DDR5-6400, PCIe 5.0
Base Power: 125 W
Product Overview
The Intel® Core™ Ultra 9 285K is a Core Ultra Series 2 (Arrow Lake) desktop processor with 24 cores (8 Performance + 16 Efficient) and 24 threads, reaching up to 5.7 GHz, 36 MB Intel® Smart Cache, and integrated Intel® Graphics. This unlocked LGA 1851 flagship is built for high-end gaming, content creation and heavy multi-threaded workloads.
Key Features
- Brand: Intel
- Model: Core Ultra 9 285K (unlocked)
- Architecture: Core Ultra Series 2, Arrow Lake (TSMC N3B, 3 nm)
- Cores / Threads: 24 Cores (8 P-cores + 16 E-cores), 24 Threads
- P-core Base: 3.7 GHz; Max Turbo: up to 5.7 GHz
- Cache: 36 MB Intel Smart Cache
- Integrated Graphics: Intel Graphics
- Memory: DDR5-6400, up to 256 GB, dual channel
- Expansion: PCIe 5.0 & 4.0
- Base Power: 125 W (Max Turbo Power 250 W)
- Socket: LGA 1851 (800-series chipsets)
- Cooler: Not included
Performance
With 24 next-generation cores reaching 5.7 GHz, the Core Ultra 9 285K delivers flagship gaming and creator performance with improved power efficiency, using P-cores for demanding tasks and E-cores for background work.
Platform & Compatibility
The LGA 1851 socket supports 800-series motherboards, DDR5-6400 memory (up to 256 GB, dual channel) and PCIe 5.0 for the latest GPUs and NVMe SSDs. Integrated Intel Graphics supports display output without a discrete card.
Ideal For
- High-end gaming
- Content creation and video editing
- Workstation and heavy multitasking
- Enthusiast LGA 1851 builds
General
- CPU SocketLGA 1851
- SeriesCore Ultra 9
- GenerationIntel Core Ultra Series 2
- Cores24 Core
- Speed3.50 to 3.99 GHz
- Processor Count1
- Cache36 MB
CPU Details
- Socket TypeLGA 1851
- Threads24 Threads
- Integrated GraphicsIntel Graphics
- TDP (W)125 W
- Max Boost Clock5.7 GHz
- Cooler IncludedNo
- Warranty Duration3 Years
Memory & Platform
- Memory TypeDDR5-6400
- Max Memory Supported256 GB
- Memory ChannelsDual Channel
- PCIe VersionPCIe 5.0
- Lithography3 nm
- Launch Year2024



