Intel Core Ultra 5 250K Plus Desktop Processor – LGA1851, 18 cores (6P+12E)
Intel Core Ultra 5 250K Plus Desktop Processor – LGA1851, 18 cores (6P+12E)
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The Intel Core Ultra 5 250K Plus Desktop Processor is an unlocked Arrow Lake Refresh chip for LGA1851 desktops. If you want an 18-core Core Ultra 5 for gaming and content creation, it offers 6 performance cores plus 12 efficient cores, a top turbo of 5.3 GHz, 30MB of Intel Smart Cache and DDR5 memory support up to 7200 MT/s.
Key Specifications
| Brand | Intel |
| Model | Core Ultra 5 250K Plus |
| Architecture | Core Ultra Series 2 (Arrow Lake Refresh), TSMC N3B |
| Socket | FCLGA1851 |
| Cores | 18 (6 Performance-cores + 12 Efficient-cores) |
| Threads | 18 |
| Base clock | 4.2 GHz (P-core) / 3.3 GHz (E-core) |
| Max turbo clock | Up to 5.3 GHz (E-core 4.6 GHz) |
| L2 cache | 30MB total |
| L3 / smart cache | 30MB Intel Smart Cache |
| Processor base power | 125W (maximum turbo power 159W) |
| Memory support | DDR5 up to 7200 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 159W maximum turbo power, so pair it with a suitable CPU cooler and 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 5 250K Plus good for gaming?
Yes. With 6 performance cores that turbo up to 5.3 GHz and 12 efficient cores, it is built for gaming and creator workloads at 18 cores.
What power supply do I need for the Core Ultra 5 250K Plus?
Intel lists a 125W processor base power and a 159W maximum turbo power. Choose a good-quality power supply sized for your processor and graphics card together, plus a suitable CPU cooler.
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 18 cores (6 performance and 12 efficient), 18 threads and 30MB of Intel Smart Cache.
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