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Rectangular green PCB chip with silver metal heatspreader and gold contact pads

Intel

Intel Core Ultra 7 265KF Arrow Lake 20-Core LGA 1851 125W desktop processor BX80768265KF

SKU CH-GNQ9-CZ3J3 MPN BX80768265KF

A 20-core desktop processor with 30 MB L3 cache, up to 5.5 GHz turbo, DDR5-6400 support and 125 W base power for LGA 1851 platforms

  • Processors TypeDesktop
  • NameCore Ultra 7 265KF
  • CPU Socket TypeLGA 1851
  • Core NameArrow Lake
  • # of Cores20-Core (8P+12E)
  • # of Threads20-Threads
  • 20 cores and 20 threads handle heavy multitasking
  • Turbo Boost Max 3.0 reaches up to 5.5 GHz for peak single-thread speed
  • 36 MB L2 plus 30 MB L3 cache cut data latency
  • DDR5 6400 dual-channel support feeds fast memory bandwidth
  • 3 nm Arrow Lake architecture at 125 W base power

Socket and core layout

This Intel Core Ultra 7 265KF is a 20-core desktop processor built on the Arrow Lake architecture for the LGA 1851 platform. It combines eight performance cores and twelve efficient cores to deliver 20 threads for multitasking and heavy workloads.

Platform and memory compatibility

Verify that your motherboard uses the LGA 1851 socket and supports the Core Ultra Series 2 family with an appropriate chipset. The memory controller runs DDR5 6400 in dual-channel mode up to 256 GB, so confirm your board and modules match that specification.

Power and thermal envelope

The processor carries a 125 W base power rating and can draw up to 250 W under maximum turbo, so a cooler rated for that thermal load is required. No cooling device is included in the box.

Points forts

  • 20 cores and 20 threads handle heavy multitasking
  • Turbo Boost Max 3.0 reaches up to 5.5 GHz for peak single-thread speed
  • 36 MB L2 plus 30 MB L3 cache cut data latency
  • DDR5 6400 dual-channel support feeds fast memory bandwidth
  • 3 nm Arrow Lake architecture at 125 W base power

Caractéristiques

BrandIntel
Processors TypeDesktop
SeriesCore Ultra 7 (Series 2)
NameCore Ultra 7 265KF
ModelBX80768265KF
CPU Socket TypeLGA 1851
Core NameArrow Lake
# of Cores20-Core (8P+12E)
# of Threads20-Threads
Operating FrequencyPerformance-core Base Frequency: 3.9 GHz
Efficient-core Base Frequency: 3.3 GHz
Max Turbo FrequencyIntel Turbo Boost Max Technology 3.0 Frequency: Up to 5.5 GHz
P-core Max Turbo Frequency: Up to 5.4 GHz
E-core Max Turbo Frequency: Up to 4.6 GHz
L2 Cache36MB
L3 Cache30MB
Manufacturing Tech3nm (TSMC N3B)
Instruction Set64-Bit
Memory TypesDDR5 6400
Memory Channel2
Max Memory Size256 GB
Integrated GraphicsNone Integrated Graphics
Scalability1S Only
PCI Express Revision5.0 / 4.0
PCI Express ConfigurationsUp to 1x16+2x4, 2x8+2x4, 1x8+4x4
Max Number of PCI Express Lanes24
Thermal Design Power125W
Max Turbo Power250W
Cooling DeviceCooling device not included - Processor Only
Advanced TechnologiesIntel Gaussian & Neural Accelerator: 3.5
Intel Thread Director: Yes
Intel Speed Shift Technology: Yes
Intel Turbo Boost Max Technology 3.0: 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 & ReliabilityIntel Threat Detection Technology (TDT): Yes
Intel Active Management Technology (AMT): No
Intel Standard Manageability (ISM): Yes
Intel Remote Platform Erase (RPE): No
Intel One-Click Recovery: No
Intel Secure Key: Yes
Intel Control-Flow Enforcement Technology: Yes
Intel Total Memory Encryption - Multi Key: No
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): No
Intel Virtualization Technology with Redirect Protection
Poids d’expédition0.09 kg
Dimensions du colis114 × 102 × 44 mm

Questions sur cet article

Does the BX80768265KF box include a cooler or do I need to buy one separately?

The processor is sold without a cooling device, so a compatible LGA 1851 cooler must be purchased separately.

Should I choose the 265KF or another Core Ultra 7 model if I want the highest turbo frequency?

This 265KF reaches up to 5.5 GHz with Turbo Boost Max 3.0, the peak frequency listed for the series.

What does the 5.5 GHz figure mean once the chip is installed in a real system?

It is the maximum single-core speed under Intel Turbo Boost Max Technology 3.0, available when thermal and power headroom allow.

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