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Intel

Intel Core Ultra 5 250KF Plus BX80768250KF desktop processor

SKU CH-D9V0-KME8R MPN BX80768250KF

An 18-core desktop processor with six performance cores, twelve efficient cores, 5.3 GHz turbo, DDR5-7200 support, PCIe 5.0 and 24 lanes for discrete graphics builds

  • Product nameCore Ultra 5 250KF Plus
  • CPU cores18-Core (6P+12E)
  • CPU socketLGA 1851
  • Maximum turbo clockP-core Max Turbo Frequency: 5.3 GHz E-core Max Turbo Frequen
  • TDP rating125 W
  • Processor classDesktop
  • 18 cores with 6 performance and 12 efficient cores for multitasking
  • P-cores reach 5.3 GHz max turbo for responsive gaming
  • 30 MB L2 and 30 MB L3 cache reduce latency
  • DDR5 7200 dual-channel support up to 256 GB memory
  • PCIe 5.0 and 4.0 with 24 lanes for fast storage and graphics

Core Ultra 5 250KF Plus overview

The Intel Core Ultra 5 250KF Plus is an 18-core desktop processor built on the Arrow Lake Refresh architecture. It targets enthusiasts who need strong multi-threaded throughput for gaming, streaming and content creation without integrated graphics overhead. The LGA 1851 socket pairs with Intel 800 Series chipset motherboards. A discrete GPU is mandatory for any video output.

Sustained load behaviour

The processor runs at a 125 W base power and can draw up to 159 W under maximum turbo. Six performance cores reach 5.3 GHz while twelve efficient cores hit 4.6 GHz, sharing 30 MB of L2 and 30 MB of L3 cache. DDR5 7200 memory on two channels feeds the cores during long render or compile sessions. The 24 PCIe 5.0 and 4.0 lanes keep high-speed storage and add-in cards saturated without throttling.

Build and connectivity implications

The absence of integrated graphics simplifies the die layout and removes a heat source, letting standard cooling solutions manage the 125 W baseline. Memory support tops out at 256 GB of DDR5, giving headroom for large project files. Native Thunderbolt and Wi-Fi 7 support on compatible boards reduce cable clutter and enable fast wireless peripherals. The LGA 1851 mounting pattern uses the existing cooler hole spacing for straightforward installation.

How it compares

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

Price $155.99
Typical for this category: the median of 494 items is $149.99.
CPU cores 18-Core (6P+12E)
Higher than about 83% of the 271 comparable items (median 8).
Maximum turbo clock P-core Max Turbo Frequency: 5.3 GHz E-core Max Turbo Frequency: 4.6 GHz
Higher than about 75% of the 246 comparable items (median 4.7 GHz).

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Specifications

Product
Brand nameIntel
Product lineCore Ultra 5 (Series 2)
Model nameBX80768250KF
Product nameCore Ultra 5 250KF Plus
Processor
CPU cores18-Core (6P+12E)
CPU socketLGA 1851
Maximum turbo clockP-core Max Turbo Frequency: 5.3 GHz
E-core Max Turbo Frequency: 4.6 GHz
TDP rating125 W
Processor classDesktop
Processor codenameArrow Lake Refresh
CPU threads18-Threads
Level 2 cache30 MB
Level 3 cache30 MB
Max PCIe lanes24
Memory
Supported memoryDDR5 7200
Channel configuration2
Memory limit256 GB
Graphics
Built-in graphicsNone Integrated Graphics
Ports & slots
PCIe generation5.0 / 4.0
Power
Maximum turbo power159 W
Size & build
Shipping weight0.09 kg
Package size114 × 102 × 44 mm
Compatibility
Compatible desktop chipsetsIntel 800 Series Chipset

Other versions of this model

5 more in the same range

Questions about this item

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

The processor runs at a 125W base power and can reach 159W max turbo power, so sustained loads will produce significant heat that requires a capable cooler.

Which motherboard socket and chipset must I already have for the LGA 1851 CPU to work?

You need a motherboard with an LGA 1851 socket and an Intel 800 Series chipset for this processor to function.

Will my existing PCIe 4.0 graphics card and DDR5 memory run at full speed with the 24 PCIe 5.0/4.0 lanes and DDR5 7200 support?

Yes, the 24 lanes support both PCIe 5.0 and 4.0, so a PCIe 4.0 GPU works at its rated speed, and the memory controller runs DDR5 up to 7200 MT/s.

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