Intel processor

Intel Core i9-12900KS Processor

Intel Core i9-12900KS Processor is a 16-core, 24-thread desktop processor for FCLGA1700, with up to 5.5 GHz turbo frequency.

12th Generation Intel Core i9 ProcessorsFCLGA1700Golden CoveGracemontDesktop

Key Metrics

Architecture
Golden Cove, Gracemont
Release
2022-Q1
Cores / threads
16 / 24
Boost
5.5 GHz
L3 cache
30 MB
Memory
DDR5 / DDR4
Power
150 W

Intel Core i9-12900KS Processor is an exact Alder Lake desktop model with 8 Performance-cores and 8 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-golden-cove8234005200Intel Performance-core frequency domain.
efficiencyintel-gracemont8125004000Intel Efficient-core frequency domain.
Memory support2 rows
StandardMaximum MT/sConditionChannelsECC
DDR54800Intel official maximum.2conditional
DDR43200Intel official maximum.2conditional
Declared power2 rows
TypeWattsProfileNotes
Intel Processor Base Power150baseVendor specification.
Intel Maximum Turbo Power241turboDistinct from base power.
Integrated graphics1 row
StateModelArchitectureUnitCountBoost MHz
presentIntel UHD Graphics 770execution units321550
Sources and review evidence1 source

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