AMD processor

AMD Ryzen 9 9900X3D

AMD Ryzen 9 9900X3D is a 12-core, 24-thread desktop processor for Socket AM5, with a 4.4 GHz base clock and up to 5.5 GHz boost.

Ryzen 9000 SeriesAM5Zen 5Desktop

Key Metrics

Architecture
Zen 5
Release
2025-03-12
Cores / threads
12 / 24
Boost
5.5 GHz
L3 cache
128 MB
Memory
DDR5
Power
120 W

AMD Ryzen 9 9900X3D is an exact Granite Ridge AM5 desktop model in the Ryzen 9000 Series. AMD specifies a 120 W default TDP and 5600 MT/s system memory support. It includes AMD Radeon Graphics. Socket matching alone does not establish motherboard firmware support.

Core topology1 row
RoleArchitectureCoresThreads/coreBase MHzBoost MHzCondition
general-purposeamd-zen-512244005500Maximum boost is workload and thermal dependent.
Memory support1 row
StandardMaximum MT/sConditionChannelsECC
DDR55600Official maximum; module population can reduce the supported rate.2
Declared power1 row
TypeWattsProfileNotes
AMD default TDP120defaultVendor specification, not measured whole-system draw.
Integrated graphics1 row
StateModelArchitectureUnitCountBoost MHz
presentAMD Radeon GraphicsRDNA 2graphics cores22200
Sources and review evidence3 sources

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