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Square green ceramic chip with gold contact pads and silver heatspreader marked Intel Core Ultra 5 245K

Intel

Intel Core Ultra 5 245K Arrow Lake 14-Core LGA 1851 125W BX80768245K desktop processor

SKU CH-TPET-TRY47 MPN BX80768245K

14-core Arrow Lake desktop processor with 6 performance and 8 efficient cores reaching 5.2 GHz turbo, 24 MB L3 cache, DDR5-6400 support and integrated Intel Graphics

  • Processors TypeDesktop
  • NameCore Ultra 5 245K
  • CPU Socket TypeLGA 1851
  • Core NameArrow Lake
  • # of Cores14-Core (6P+8E)
  • # of Threads14-Threads
  • 14 cores with six performance and eight efficient cores balance multitasking and single-thread speed
  • Performance cores reach up to 5.2 GHz turbo for responsive high-load tasks
  • 24 MB L3 and 26 MB L2 cache reduce latency across heavy workloads
  • Built on 3 nm TSMC N3B process for efficiency at 125 W base power
  • Supports DDR5 6400 dual-channel memory up to 192 GB for high bandwidth

Core Ultra 5 245K 14-core desktop processor

The Intel Core Ultra 5 245K is a 14-core desktop CPU built on the Arrow Lake architecture using TSMC N3B 3nm process technology. It fits the LGA 1851 socket and combines six performance cores with eight efficient cores for 14 total threads. The processor supports DDR5 6400 memory across two channels up to 192 GB and includes integrated Intel Graphics with a 1.9 GHz max dynamic frequency.

Sustained multi-threaded workloads on 125W base

With a 125W thermal design power and 159W max turbo power, the chip maintains performance-core base frequency at 4.2 GHz and efficient-core base at 3.6 GHz under continuous load. The 26 MB L2 and 24 MB L3 caches help sustain throughput for compilation, rendering and encoding tasks. PCIe 5.0 and 4.0 lanes provide 24 lanes for high-bandwidth storage and accelerators.

Thermals noise and power in daily use

The 125W base power rating means typical workloads run at the rated thermal envelope without exceeding the 159W turbo limit. Integrated graphics operate at a 300 MHz base frequency, adding minimal heat during office or media use. Cooling solution is not included, so thermal performance and acoustic profile depend entirely on the chosen cooler and case airflow.

商品特色

  • 14 cores with six performance and eight efficient cores balance multitasking and single-thread speed
  • Performance cores reach up to 5.2 GHz turbo for responsive high-load tasks
  • 24 MB L3 and 26 MB L2 cache reduce latency across heavy workloads
  • Built on 3 nm TSMC N3B process for efficiency at 125 W base power
  • Supports DDR5 6400 dual-channel memory up to 192 GB for high bandwidth

商品規格

BrandIntel
Processors TypeDesktop
SeriesCore Ultra 5 (Series 2)
NameCore Ultra 5 245K
ModelBX80768245K
CPU Socket TypeLGA 1851
Core NameArrow Lake
# of Cores14-Core (6P+8E)
# of Threads14-Threads
Operating FrequencyPerformance-core Base Frequency: 4.2 GHz
Efficient-core Base Frequency: 3.6 GHz
Max Turbo FrequencyP-core Max Turbo Frequency: Up to 5.2 GHz
E-core Max Turbo Frequency: Up to 4.6 GHz
L2 Cache26MB
L3 Cache24MB
Manufacturing Tech3nm (TSMC N3B)
Instruction Set64-Bit
Memory TypesDDR5 6400
Memory Channel2
Max Memory Size192 GB
Integrated GraphicsIntel Graphics
Graphics Base Frequency300 MHz
Graphics Max Dynamic Frequency1.9 GHz
PCI Express Revision5.0 / 4.0
Max Number of PCI Express Lanes24
Thermal Design Power125W
Max Turbo Power159W
Cooling DeviceCooling device not included - Processor Only
出貨重量0.09 kg
包裝尺寸142 × 102 × 44 mm

商品問答

How much heat does the 125W base and 159W max turbo power produce during all-day loads?

The processor has a 125W base power and a 159W maximum turbo power, so sustained heavy workloads will require a cooler rated for at least that thermal output.

Which DDR5 memory speed and capacity does the Core Ultra 5 245K officially support?

It supports DDR5 6400 in dual-channel mode with a maximum capacity of 192 GB.

Can I keep my existing PCIe 4.0 graphics card and SSD with the 24 lanes of PCIe 5.0 and 4.0?

Yes, the 24 PCIe lanes operate at both 5.0 and 4.0 speeds, so current PCIe 4.0 devices will work at their rated performance.

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