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Rectangular green desktop CPU with silver heat spreader and gold contact pads

Intel

Intel Core Ultra 7 265K BX80768265K desktop processor

SKU CH-75Q0-GE8HF MPN BX80768265K

20-core Arrow Lake desktop CPU with 30 MB L3 cache, up to 5.5 GHz turbo and DDR5-6400 support

  • Product nameCore Ultra 7 265K
  • CPU cores20-Core (8P+12E)
  • CPU socketLGA 1851
  • Maximum turbo clockIntel Turbo Boost Max Technology 3.0 Frequency: Up to 5.5 GH
  • TDP rating125 W
  • Processor classDesktop

Model Core Ultra 7 265K

  • 20 cores and 20 threads handle heavy multitasking
  • 5 GHz max turbo boost accelerates single-thread workloads
  • 3 nm Arrow Lake architecture improves performance per watt
  • DDR5 6400 MT/s dual-channel support feeds data faster
  • Integrated Intel Graphics provides display output without a discrete card

Product identity

The Intel Core Ultra 7 265K is a 20-core desktop processor built on the Arrow Lake architecture for the LGA 1851 socket. It targets enthusiasts and entry workstation users who need strong single-thread speed and multi-thread throughput for demanding daily tasks. The chip combines 8 performance cores and 12 efficient cores with a 125 W base power rating.

Bundled impact

The boxed unit includes Intel Graphics based on the Xe LPG architecture and an integrated neural processing unit for AI workloads. Thread Director 4.0 helps the operating system place threads on the most suitable cores. Support for DDR5 up to 6400 MT/s across two channels and a 256 GB memory ceiling with ECC gives flexibility for large datasets.

Setup checks

Verify that your motherboard uses the LGA 1851 socket and a chipset compatible with Core Ultra Series 2 processors. Confirm the board’s VRM and cooling can sustain 125 W base power and higher turbo loads. Ensure the BIOS is updated to the revision that enables Arrow Lake support before installation.

How it compares

Measured against everything we stock in Desktop Processors, at today’s prices. Recalculated every night.

Price $236.99
Pricier than about 67% of the 494 comparable items (median $149.99).
CPU cores 20-Core (8P+12E)
Higher than about 85% of the 271 comparable items (median 8).
TDP rating 125 W
Higher than about 70% of the 320 comparable items (median 95 W).

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Specifications

Product
Brand nameIntel
Product lineCore Ultra 7 (Series 2)
Model nameBX80768265K
Product nameCore Ultra 7 265K
Performance
Working frequencyPerformance-core Base Frequency: 3.9 GHz
Efficient-core Base Frequency: 3.3 GHz
Processor
CPU cores20-Core (8P+12E)
CPU socketLGA 1851
Maximum turbo clockIntel 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
TDP rating125 W
Processor classDesktop
Processor codenameArrow Lake
CPU threads20-Threads
Level 2 cache36 MB
Level 3 cache30 MB
Process node3 nm (TSMC N3B)
CPU instruction set64-Bit
CPU socket scalability1S Only
Max PCIe lanes24
Memory
Supported memoryUp to DDR5 6400 MT/s
Channel configuration2
Memory limit256 GB
ECC memorySupported
Graphics
Built-in graphicsIntel Graphics
GPU base clock300 MHz
Ports & slots
PCIe generation5.0 / 4.0
Power
Maximum turbo power250 W
Size & build
Shipping weight0.09 kg
Package size121 × 102 × 44 mm
In the box
Included coolerNot included - Processor Only
More details
PCI express configurationsUp to 1 × 16+2 × 4, 2 × 8+2 × 4, 1 × 8+4 × 4

Other versions of this model

5 more in the same range

Questions about this item

Will the LGA 1851 socket on this Core Ultra 7 265K require a new motherboard when I upgrade later?

Yes, the processor uses the LGA 1851 socket which is specific to Intel Core Ultra Series 2 desktop CPUs, so future upgrades will need a motherboard with this same socket.

What thermal limit appears first during sustained heavy workloads on the 20-core Arrow Lake chip?

The 125W base power rating sets the sustained thermal envelope; under continuous all-core loads the processor will throttle to stay within this limit.

How loud and hot does the integrated Intel Graphics run when the system is on all day?

The on-die Intel Graphics shares the 125W package power budget, so heat and fan noise depend on the total CPU plus graphics load rather than a separate GPU thermal zone.

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