Intel processor

Intel Core Ultra 5 processor 250K Plus

Intel Core Ultra 5 processor 250K Plus is a 18-core, 18-thread desktop processor for FCLGA1851, with up to 5.3 GHz turbo frequency.

Intel Core Ultra Processors (Series 2)FCLGA1851Lion CoveSkymontDesktop

Key Metrics

Architecture
Lion Cove, Skymont
Release
2026-Q1
Cores / threads
18 / 18
Boost
5.3 GHz
L3 cache
30 MB
Memory
DDR5
Power
125 W

Intel Core Ultra 5 processor 250K Plus is an exact Arrow Lake desktop model with 6 Performance-cores and 12 Efficient-cores. Intel Processor Base Power and Maximum Turbo Power remain separate where both are specified. Socket matching alone does not establish motherboard or firmware support.

Core topology2 rows
RoleArchitectureCoresThreads/coreBase MHzBoost MHzCondition
performanceintel-lion-cove6142005300Intel Performance-core frequency domain.
efficiencyintel-skymont12133004600Intel Efficient-core frequency domain.
Memory support1 row
StandardMaximum MT/sConditionChannelsECC
DDR57200Intel official maximum.2conditional
Declared power2 rows
TypeWattsProfileNotes
Intel Processor Base Power125baseVendor specification.
Intel Maximum Turbo Power159turboDistinct from base power.
Integrated graphics1 row
StateModelArchitectureUnitCountBoost MHz
presentIntel Graphicsexecution units41900
Accelerators1 row
TypeModelTOPSPrecisionScopeCondition
NPUIntel AI Boost13INT8NPU onlyOverall platform TOPS is a separate figure.
Sources and review evidence1 source

Last reviewed: 2026-09-14. Data confidence: High.