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Intel

Intel Core Ultra 5 250KF Plus

Arrow Lake Refresh · Core Ultra Series 2 · Socket LGA1851 · 18 cores and 18 threads

Intel Core Ultra 5 250KF Plus

Specifications

Manufacturer data. Some data is still pending verification.

Processing

Cores
18 (6P + 12E)
Threads
18
Base frequency
Data not available
Boost / turbo frequency
5.3 GHz
L2 cache
Data not available
L3 cache
30 MB
L2 + L3 cache
Data not available

Power and temperature

TDP / base power
Data not available
Maximum power (PPT / turbo)
Data not available
Maximum temperature (Tjmax)
Data not available

Platform

Socket
LGA1851
RAM
DDR5
Official RAM speed
Data not available
PCIe
PCIe 5.0 y 4.0
Integrated graphics
No
Architecture
Arrow Lake Refresh
Generation
Core Ultra Series 2
Release
March 2026
Unlocked multiplier
Yes

Verification (07/10/2026). Specifications loaded on 2026-10-07 from the manufacturer's public data, without checking each one against the official page. Confirm them before publishing.

Loaded but yet to be confirmed: Base and boost frequencies, Release date (month), Official RAM speed, PCIe version.

Not loaded, to avoid making them up: Maximum turbo power, Maximum temperature (Tjmax), PCIe lanes, Maximum RAM capacity, Base frequency, L2 cache, TDP, Official RAM speed.

Benchmarks

Each result states its source and the date it was taken.

There are no sourced benchmarks for this processor yet

Once you load real results in src/data/benchmarks.ts they will appear here, grouped by use.

Gaming

No sourced gaming benchmarks.

Productivity

No sourced productivity benchmarks.

Power draw

No sourced power measurements. What we do have is the manufacturer's official power rating (specifications table).

Temperatures

No sourced temperature measurements. The official maximum temperature (Tjmax) appears in the table when it has been verified.

Compatibility

Which motherboard and memory you need, with a warning if a combination won't work.

  1. CPU

    Intel Core Ultra 5 250KF Plus

  2. Socket

    LGA1851

  3. Chipset

    H810 / B860 / H870 / Z890

  4. RAM

    DDR5

  5. GPU

    PCIe 5.0 y 4.0 (any current PCIe GPU)

Check your combination

Choose a chipset or a RAM type to see if they fit this processor.

Price on Amazon

Key features

Objective summary based on the official specifications.

  • 18 (6P + 12E) cores and 18 threads (hybrid architecture: performance and efficiency cores).
  • Maximum frequency of 5.3 GHz on the performance cores.
  • LGA1851 socket and DDR5 memory.
  • Does not include integrated graphics: it requires a dedicated graphics card.
  • Unlocked multiplier for overclocking.

Alternative processors