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Intel
Intel Core Ultra 5 245KF BX80768245KF desktop processor
Refurbished 14-core Arrow Lake desktop processor for LGA 1851 with 24 MB L3 cache, 26 MB L2 cache, DDR5-6400 support and 125 W base power
- Processors TypeDesktop
- NameCore Ultra 5 245KF
- CPU Socket TypeLGA 1851
- Core NameArrow Lake
- # of Cores14-Core (6P+8E)
- # of Threads14-Threads
- 14 cores with 6 performance and 8 efficient cores
- Up to 5.2 GHz P-core turbo for responsive workloads
- 24 MB L3 and 26 MB L2 cache reduce latency
- DDR5 6400 dual-channel support up to 256 GB
- LGA 1851 socket with PCIe 5.0 and 4.0 lanes
14-core Arrow Lake desktop CPU
The Intel Core Ultra 5 245KF is a 14-core desktop processor with six performance cores and eight efficient cores. It fits the LGA 1851 socket and has a 125 W base power rating. The chip is sold as a refurbished unit without integrated graphics.
Best for discrete graphics builds
This CPU suits builders who will pair it with a dedicated graphics card and want PCIe 5.0 and DDR5 6400 support. Systems that rely on integrated graphics or need a lower power envelope should look at other models.
125 W base power decides cooling
The processor runs at a 125 W base power with performance cores reaching up to 5.2 GHz and efficient cores up to 4.6 GHz. Your cooler and case airflow must handle this thermal load for sustained boost clocks.
商品特色
- 14 cores with 6 performance and 8 efficient cores
- Up to 5.2 GHz P-core turbo for responsive workloads
- 24 MB L3 and 26 MB L2 cache reduce latency
- DDR5 6400 dual-channel support up to 256 GB
- LGA 1851 socket with PCIe 5.0 and 4.0 lanes
商品規格
| Brand | Intel |
|---|---|
| Processors Type | Desktop |
| Series | Core Ultra 5 (Series 2) |
| Name | Core Ultra 5 245KF |
| Model | BX80768245KF |
| CPU Socket Type | LGA 1851 |
| Core Name | Arrow Lake |
| # of Cores | 14-Core (6P+8E) |
| # of Threads | 14-Threads |
| Operating Frequency | Performance-core Base Frequency: 4.2 GHz Efficient-core Base Frequency: 3.6 GHz |
| Max Turbo Frequency | P-core Max Turbo Frequency: Up to 5.2 GHz E-core Max Turbo Frequency: Up to 4.6 GHz |
| L2 Cache | 26MB |
| L3 Cache | 24MB |
| Manufacturing Tech | 3nm (TSMC N3B) |
| Instruction Set | 64-Bit |
| Memory Types | DDR5 6400 |
| Memory Channel | 2 |
| Max Memory Size | 256 GB |
| Integrated Graphics | None Integrated Graphics |
| PCI Express Revision | 5.0 / 4.0 |
| Max Number of PCI Express Lanes | 24 |
| Thermal Design Power | 125W |
| Max Turbo Power | 159W |
| Cooling Device | Cooling device not included - Processor Only |
| 出貨重量 | 0.09 kg |
| 包裝尺寸 | 127 × 114 × 51 mm |
商品問答
What motherboard socket does the Core Ultra 5 245KF require?
The processor fits the LGA 1851 socket, so the motherboard must use that exact socket.
Which step is often missed when installing this CPU?
Applying thermal paste and securing the cooler before powering on is the step people forget, and the chip has no integrated graphics to fall back on.
What memory will need replacing if I upgrade capacity later?
The CPU supports DDR5 6400 in dual-channel up to 256 GB, so any future capacity increase means buying DDR5 modules.
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