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Intel Core Ultra 7 265K desktop processor in a square green substrate with gold contacts and silver integrated heat spreader marked

Intel

Intel Core Ultra 7 265K Arrow Lake 20-Core LGA 1851 125W BX80768265K desktop processor

SKU CH-1J2F-N0FXQ MPN BX80768265K

20-core desktop CPU with 8 performance and 12 efficient cores, 3.9 GHz base frequency, up to 5.5 GHz turbo, 30 MB L3 and 36 MB L2 cache, DDR5-6400 support up to 256 GB, integrated Intel Graphics

  • 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
  • 20 cores and 20 threads handle heavy multitasking
  • 5 GHz max turbo frequency speeds single-thread work
  • 36 MB L2 plus 30 MB L3 cache reduce data latency
  • DDR5 6400 MT/s support with 256 GB capacity feeds large datasets
  • Intel Graphics built in provides display output without a discrete card

Intel Core Ultra 7 265K Arrow Lake 20-Core LGA

This desktop processor targets enthusiasts and professionals who need high thread counts for rendering, compilation and multi-tasking. The 20-core hybrid design combines 8 performance cores and 12 efficient cores to scale across single-thread and parallel workloads. A 125 W base power rating fits standard tower cooling solutions.

20-Core Hybrid Architecture With 30 MB L3 And 36

Eight P-cores reach 5.4 GHz max turbo while twelve E-cores hit 4.6 GHz, with Intel Turbo Boost Max 3.0 pushing the best core to 5.5 GHz. The large L2 and L3 caches keep data close for heavy compute and large dataset tasks. Dual-channel DDR5 6400 MT/s support and 256 GB max memory capacity provide headroom for memory-intensive applications before bandwidth becomes a bottleneck.

Upgrade From Older LGA 1851 Platforms Or Competing

Moving to the Arrow Lake architecture on LGA 1851 delivers the 3 nm TSMC N3B process, 20 threads and integrated Intel Graphics in one package. The jump is worthwhile when current hardware limits multi-thread throughput or when DDR5 6400 MT/s memory support is required for new workloads.

How it compares

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

Price $233.99
Pricier than about 66% 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).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

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

Questions about this item

Will the LGA 1851 socket on this Core Ultra 7 265K let me reuse my current DDR5 6400 MT/s memory kit?

The processor supports DDR5 up to 6400 MT/s across two channels with a maximum capacity of 256 GB, so existing DDR5 6400 modules will run at their rated speed.

How can I verify the 8P+12E core configuration is active after installing the BX80768265K?

In Task Manager or CPU-Z the core count will show 20 cores and 20 threads, with performance cores running at a 3.9 GHz base and efficient cores at 3.3 GHz.

Does the BX80768265K retail box include a cooler, or do I need to buy one separately?

The boxed processor ships without a thermal solution; a compatible LGA 1851 cooler rated for at least 125 W must be purchased separately.

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