Intel Core Ultra 9 285K Desktop Processor – LGA1851, 24 cores (8P+16E)
Intel Core Ultra 9 285K Desktop Processor – LGA1851, 24 cores (8P+16E)
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The Intel Core Ultra 9 285K Desktop Processor is an unlocked Core Ultra Series 2 chip for LGA1851 desktops. If you are shopping for a 24-core Core Ultra 9 for gaming, streaming and heavy multitasking, it pairs 8 performance cores with 16 efficient cores, a top turbo of 5.7 GHz, 36MB of Intel Smart Cache and DDR5 memory support.
Key Specifications
| Brand | Intel |
| Model | Core Ultra 9 285K |
| Architecture | Core Ultra Series 2 (Arrow Lake), TSMC N3B |
| Socket | FCLGA1851 |
| Cores | 24 (8 Performance-cores + 16 Efficient-cores) |
| Threads | 24 |
| Base clock | 3.7 GHz (P-core) / 3.2 GHz (E-core) |
| Max turbo clock | Up to 5.7 GHz (P-core 5.5 GHz, E-core 4.6 GHz) |
| L2 cache | 40MB total |
| L3 / smart cache | 36MB Intel Smart Cache |
| Processor base power | 125W (maximum turbo power 250W) |
| Memory support | DDR5 up to 6400 MT/s, dual channel, up to 256GB, ECC supported |
| Integrated graphics | Intel Graphics, 4 Xe-cores |
| PCI Express | 5.0 and 4.0, up to 24 lanes |
| Product type | Desktop processor (CPU) |
Compatibility
This processor fits motherboards with an LGA1851 (FCLGA1851) socket and uses DDR5 memory. It does not fit LGA1700 or LGA1200 boards. It is an unlocked K-series part with a 125W base power and 250W maximum turbo power, so plan for a capable CPU cooler and a good-quality power supply. Check your motherboard maker's CPU support list before buying.
Pairs Well With
- Sapphire Nitro+ AMD Radeon RX 9070 XT OC 16GB GDDR6 Graphics Card
- ZOTAC GeForce RTX 4060 Ti Twin Edge 8GB GDDR6 Graphics Card
- 1TB NVMe M.2 2280 SSD
- Browse all Graphics Cards
Frequently Asked Questions
Is the Core Ultra 9 285K good for gaming?
Yes. It combines 8 performance cores that turbo up to 5.5 GHz (5.7 GHz maximum turbo) with 16 efficient cores, which suits high-refresh gaming and streaming at the same time.
What power supply and cooler do I need for the Core Ultra 9 285K?
Intel lists a 125W processor base power and a 250W maximum turbo power, so choose a high-quality power supply and a strong air or liquid cooler suited to a 250W-class CPU.
Will it fit my motherboard?
It fits motherboards with an LGA1851 socket and DDR5 memory slots. It is not compatible with LGA1700 or LGA1200 boards.
How many cores and how much cache does it have?
It has 24 cores (8 performance and 16 efficient), 24 threads, 36MB of Intel Smart Cache and 40MB of total L2 cache.
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