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Intel
Intel Core Ultra 5 245K Arrow Lake 14-Core 6P+8E LGA 1851 125W BX80768245K desktop processor
14-core Arrow Lake desktop CPU with 6 performance and 8 efficient cores, up to 5.2 GHz turbo, 24 MB L3 cache, DDR5-6400 support, integrated graphics, 125 W base power
- Processors TypeDesktop
- NameCore Ultra 5 245K
- CPU Socket TypeLGA 1851
- Core NameArrow Lake
- # of Cores14-Core (6P+8E)
- # of Threads14-Threads
- 14 cores with 6 performance and 8 efficient cores handle heavy multitasking
- 2 GHz max turbo on performance cores accelerates demanding single-thread workloads
- 3 nm TSMC N3B process improves efficiency at 125 W base power
- 24 MB L3 and 26 MB L2 cache reduce latency for large data sets
- DDR5 6400 MT/s dual-channel support feeds bandwidth-hungry applications
Core Ultra 5 245K desktop processor
The Intel Core Ultra 5 245K is a 14-core desktop CPU built on the Arrow Lake architecture for the LGA 1851 platform. Six performance cores and eight efficient cores deliver 14 threads for gaming and productivity workloads. The chip targets enthusiasts who want modern core topology without stepping up to the flagship tier. It includes integrated Intel Graphics for display output and quick-sync tasks.
14 cores with 24 MB L3 and 26 MB L2 cache
The processor combines 6 performance cores at 4.2 GHz base and 5.2 GHz max turbo with 8 efficient cores at 3.6 GHz base and 4.6 GHz max turbo. The 24 MB L3 and 26 MB L2 caches keep data close for latency-sensitive code. Dual-channel DDR5 6400 MT/s supports up to 256 GB with ECC for workstation reliability. PCIe 5.0 and 4.0 lanes total 24 for GPU and storage expansion.
125 W base power and 159 W max turbo power
Thermal design power is rated at 125 W with a maximum turbo power of 159 W under heavy loads. A cooling solution is not included so builders must pair it with a capable air or liquid cooler. Integrated graphics run at 300 MHz base and 1.9 GHz max dynamic frequency for light media tasks. Intel Gaussian & Neural Accelerator 3.5 and Thread Director handle AI and scheduling duties.
Highlights
- 14 cores with 6 performance and 8 efficient cores handle heavy multitasking
- 2 GHz max turbo on performance cores accelerates demanding single-thread workloads
- 3 nm TSMC N3B process improves efficiency at 125 W base power
- 24 MB L3 and 26 MB L2 cache reduce latency for large data sets
- DDR5 6400 MT/s dual-channel support feeds bandwidth-hungry applications
Specifications
| Brand | Intel |
|---|---|
| Processors Type | Desktop |
| Series | Core Ultra 5 (Series 2) |
| Name | Core Ultra 5 245K |
| Model | BX80768245K |
| 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 | Max Turbo Frequency: 5.2 GHz Performance-core Max Turbo Frequency: 5.2 GHz Efficient-core Max Turbo Frequency: 4.6 GHz |
| L2 Cache | 26MB |
| L3 Cache | 24MB |
| Manufacturing Tech | 3nm (TSMC N3B) |
| Instruction Set | 64-Bit |
| Memory Types | Up to DDR5 6400 MT/s |
| Memory Channel | 2 |
| Max Memory Size | 256 GB |
| ECC Memory | Supported |
| Integrated Graphics | Intel Graphics |
| Graphics Base Frequency | 300 MHz |
| Graphics Max Dynamic Frequency | 1.9 GHz |
| Scalability | 1S Only |
| PCI Express Revision | 5.0 / 4.0 |
| PCI Express Configurations | Up to 1x16+2x4, 2x8+2x4, 1x8+4x4 |
| Max Number of PCI Express Lanes | 24 |
| Thermal Design Power | 125W |
| Max Turbo Power | 159W |
| Cooling Device | Cooling device not included - Processor Only |
| Advanced Technologies | Intel Gaussian & Neural Accelerator: 3.5 Intel Thread Director: Yes Intel Speed Shift Technology: Yes Intel Turbo Boost Technology: 2.0 Intel Hyper-Threading Technology: No Intel 64: Yes Instruction Set: 64-bit Instruction Set Extensions: Intel SSE4.1, Intel SSE4.2, Intel AVX2 Idle States: Yes Enhanced Intel SpeedStep Technology: Yes Thermal Monitoring Technologies: Yes Intel Volume Management Device (VMD): Yes |
| Security & Reliability | Intel vPro Eligibility: Intel vPro Enterprise Intel Threat Detection Technology (TDT): Yes Intel Active Management Technology (AMT): Yes Intel Standard Manageability (ISM): Yes Intel Remote Platform Erase (RPE): Yes Intel One-Click Recovery: Yes Intel Secure Key: Yes Intel Control-Flow Enforcement Technology: Yes Intel Total Memory Encryption - Multi Key: Yes Intel AES New Instructions: Yes Intel Trusted Execution Technology: Yes Execute Disable Bit: Yes Intel OS Guard: Yes Intel Boot Guard: Yes Mode-based Execute Control (MBEC): Yes Intel Stable IT Platform Program (SIPP): Yes Intel |
| Shipping weight | 0.09 kg |
| Package size | 142 × 102 × 44 mm |
Questions about this item
Will my current DDR5-6400 memory run at its rated speed with the Core Ultra 5 245K?
Yes, the processor supports up to DDR5 6400 MT/s across two channels, so existing modules at that speed will operate at their rated frequency.
How can I verify the Core Ultra 5 245K is boosting to 5.2 GHz after installation?
Monitor the performance-core frequency in Task Manager or a hardware utility while running a single-threaded load; it should reach 5.2 GHz if thermal and power headroom allow.
Does the BX80768245K box include a cooler or must I buy one separately?
The processor is sold without a cooling device, so a compatible LGA 1851 cooler must be purchased separately.
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