Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851
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Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 (BX80768250KF)

18 (6P+12E) Cores 18 Threads @ 5.3 GHz | FCLGA1851

Total CPU cores: 18 (6P+12E). P-cores handle heavy workloads, E-cores handle background tasks.
Cores18 (6P+12E)
Maximum single-core turbo frequency under Intel Turbo Boost Technology.
Max Boost5.3 GHz
Total cache (L2 + L3) for fast data access during compute-intensive tasks.
Cache30 MB
Base power consumption (TDP). Ensure adequate cooling and PSU capacity.
TDP125W
BoxBX80768250KF
TrayAT807683B9B4887
CategoryDesktop Processors
Technical Snapshot

The Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 is a desktop processor for the FCLGA1851 platform, based on the Arrow Lake architecture (TSMC N3B). It features 18 (6P+12E) cores and 18 threads, with a base frequency of 4.2 GHz and boost up to 5.3 GHz. The CPU has 30 MB of cache with a 125 W base TDP. Memory support includes DDR5.

Use Case
Desktop computing, gaming, content creation
Compatibility
FCLGA1851 motherboard (Core Ultra 5 200S)
Category
Desktop Processor — Arrow Lake

Key Specifications

SocketFCLGA1851
P-Cores6
E-Cores12
Base Clock4.2 GHz
Boost Clock5.3 GHz
L3 Cache30 MB
L2 Cache30 MB
Base TDP125W
Turbo Power159W
MemoryDDR5

Full Specifications

Manufacturer-verified specifications (Manufacturer-Verified (MV-1) · Source: Intel ARK)

Processor Architecture
CodenameArrow Lake
SeriesCore Ultra 5 200S
Launch DateQ1'26
Cores / Threads18 (6P+12E) / 18
ProcessTSMC N3B
SocketFCLGA1851
UnlockedYes
Spec CodeSA4V3
SteppingB0
Intel SKU245689
Performance
Base Clock4.2 GHz
Max Turbo Clock5.3 GHz
Cache
L3 Cache30 MB
L2 Cache30 MB
Memory
Memory TypeDDR5
Memory Speed7200 MT/s
Memory Channels2
Max Memory256 GB
Power
Base Power (TDP)125 W
Max Turbo Power159 W
Connectivity
PCIe Version5.0, 4.0
PCIe Lanes24
Product Information
Ordering Code (Box)BX80768250KF
Ordering Code (Tray)AT807683B9B4887
PackageBox, Tray

Support & Downloads

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Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 SpecificationsProduct specifications on Intel ARK
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Frequently Asked Questions

What socket does the Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 use?

The Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 uses the FCLGA1851 socket (Core Ultra 5 200S platform).

What memory does the Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 support?

The Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 supports DDR5 with a maximum of 256 GB.

How many cores does the Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 have?

The Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 has 18 (6P+12E) cores and 18 threads, with a max turbo frequency of 5.3 GHz.

What is the TDP of the Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851?

The Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851 has a base power (TDP) of 125 W and max turbo power of 159 W.

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Product: Intel Core Ultra 5 250KF Plus Boxed 18C/18T 5.3GHz 30MB L3 125W LGA1851
MPN: BX80768250KF
Schemas: Product + BreadcrumbList
Properties: 18 additionalProperty entries