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Square green ceramic package with gold contacts and silver heatspreader marked Ryzen 9 9900X3D

AMD

AMD Ryzen 9 9900X3D 12-Core 4.4 GHz Socket AM5 desktop processor

SKU CH-MR14-7TRMG

12-core desktop CPU with 128 MB L3 cache, 5.5 GHz max boost and integrated Radeon graphics

  • Processors TypeDesktop
  • NameRyzen 9 9900X3D
  • CPU Socket TypeSocket AM5
  • Core NameGranite Ridge (Zen 5)
  • # of Cores12-Core
  • # of Threads24-Threads
  • 12 cores and 24 threads handle heavy multitasking workloads
  • 4 GHz base clock with 5.5 GHz max turbo delivers high single-thread speed
  • 128 MB L3 cache reduces latency for gaming and data tasks
  • Integrated Radeon graphics at 2200 MHz provides display output without a discrete card
  • DDR5 support up to 5600 MHz and 192 GB capacity enables fast, high-capacity memory

12-Core Socket AM5 Desktop Processor

The AMD Ryzen 9 9900X3D delivers 12 cores and 24 threads for demanding desktop workloads. It operates at a 4.4 GHz base frequency with a max turbo frequency up to 5.5 GHz. The processor integrates AMD Radeon Graphics running at 2200 MHz. It fits Socket AM5 motherboards and carries a 120W TDP.

DDR5 Memory Limits By Population

Supported DDR5 speeds depend on how many ranks are installed across the memory channels. Two single-rank or two dual-rank modules run at 5600 MT/s. Four single-rank or four dual-rank modules drop to 3600 MT/s. Maximum addressable memory capacity is 192 GB. ECC memory is supported when the motherboard also supports it.

128MB L3 Cache Defines Gaming Throughput

The 128MB L3 cache is the largest cache size in this product line and directly determines gaming and latency-sensitive performance. Combined with 12MB of L2 cache, it reduces memory accesses for high-frame-rate scenarios. This cache capacity is the primary factor when deciding if this processor matches the workload.

Punti di forza

  • 12 cores and 24 threads handle heavy multitasking workloads
  • 4 GHz base clock with 5.5 GHz max turbo delivers high single-thread speed
  • 128 MB L3 cache reduces latency for gaming and data tasks
  • Integrated Radeon graphics at 2200 MHz provides display output without a discrete card
  • DDR5 support up to 5600 MHz and 192 GB capacity enables fast, high-capacity memory

Caratteristiche tecniche

BrandAMD
Processors TypeDesktop
SeriesRyzen 9 9000 Series
NameRyzen 9 9900X3D
Model100-100001368WOZ
CPU Socket TypeSocket AM5
Core NameGranite Ridge (Zen 5)
# of Cores12-Core
# of Threads24-Threads
Operating Frequency4.4 GHz
Max Turbo FrequencyUp to 5.5 GHz
L1 Cache960KB
L2 Cache12MB
L3 Cache128MB
Manufacturing TechTSMC 4nm FinFET
Memory TypesMax Memory Speed:
- 2x1R DDR5-5600
- 2x2R DDR5-5600
- 4x1R DDR5-3600
- 4x2R DDR5-3600
Max Memory Size192 GB
ECC MemoryYes (Requires mobo support)
Integrated GraphicsAMD Radeon Graphics
Graphics Base Frequency2200 MHz
PCI Express Revision5.0
Max Number of PCI Express Lanes28 Total / 24 Usable
Multimedia InstructionAES, AMD-V, AVX512, AVX2, AVX, FMA3, MMX-plus, SHA, SSE2, SSE4.2, SSE4A, SSE4.1, SSE3, SSSE3, SSE, x86-64
Thermal Design Power120W
Compatible Desktop ChipsetsAMD A620 / AMD B650 / AMD B650E / AMD B840 / AMD B850 / AMD X670 / AMD X670E / AMD X870 / AMD X870E
Operating System SupportedWindows 11 - 64-Bit Edition , Windows 10 - 64-Bit Edition , RHEL x86 64-Bit , Ubuntu x86 64-Bit
Advanced TechnologiesAMD EXPO Technology, AMD Ryzen Technologies

Domande su questo articolo

Should I choose the 12-core 9900X3D or a different Ryzen 9 9000 model?

The 9900X3D provides 12 cores and 24 threads with 128 MB L3 cache and a 5.5 GHz max turbo, while other 9000-series SKUs vary in core count, cache size and boost clocks.

What does the 5.5 GHz max turbo mean once the CPU is installed?

It is the highest single-core frequency the processor can reach under load when power, thermal and current limits allow; sustained all-core speeds will sit lower.

Which memory standard does the AM5 socket cap at, and what speeds are supported?

The memory controller supports DDR5 up to 5600 MT/s with two single-rank modules, dropping to 3600 MT/s when four modules are populated.

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