AMD Ryzen 9 9900X3D 4.4 GHz 12-Core AMD AM5 Desktop Processor
KSh 80,000.00
- Granite Ridge 12-Core Desktop Processor
- AMD Ryzen 9 9900X3D 4.4 GHz 12-Core AMD AM5 Desktop Processor
- 12MB L2, 128MB L3 Cache
- 12 Cores, 24 Threads
- AMD A620, B650, B650E, B840, B850, X670, X670E, X870, X870E Chipsets
- 192GB DDR5-5600 Memory Supported
- Heatsink Not Included
AMD Ryzen 9 9900X3D 4.4 GHz 12-Core AMD AM5 Desktop Processor
The AMD Ryzen 9 9900X3D is a high-end 12-core desktop processor built on AMD’s Zen 5 (“Granite Ridge”) architecture for the AM5 socket. It bridges the gap between pure gaming chips and heavy production processors, combining 24 processing threads with AMD’s 2nd-generation 3D V-Cache design.
Key Technical Specifications
| Category | Specification |
| Architecture / Codename | Zen 5 / Granite Ridge (TSMC 4nm process) |
| Socket | Socket AM5 |
| Cores / Threads | 12 Cores / 24 Threads |
| Core Configuration | Dual CCDs (6 cores per CCD: 1× 3D V-Cache CCD + 1× Frequency CCD) |
| Base Clock / Boost Clock | 4.40 GHz / Up to 5.50 GHz |
| L3 Cache | 128 MB (64 MB base + 64 MB 3D V-Cache stack) |
| L2 Cache | 12 MB (1 MB per core) |
| Total Cache (L2+L3) | 140 MB |
| Default TDP / PPT | 120 W / 162 W |
| Memory Support | DDR5 (Native DDR5-5600; optimal sweet spot DDR5-6000 CL30 EXPO) |
| PCIe Interface | PCIe 5.0 (28 total lanes / 24 usable) |
| Integrated GPU | AMD Radeon Graphics (2 RDNA 2 CUs @ 2,200 MHz) |
Architecture & Design Highlights
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Second-Gen Inverted 3D V-Cache: Features AMD’s updated packaging where the 3D V-Cache die is positioned underneath the Core Complex Die (CCD) rather than sitting on top. This puts the compute cores in direct contact with the heat spreader, leading to lower operating temperatures and higher sustained clock speeds.
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Asymmetric Die Layout (6+6): Like its 7900X3D predecessor, the 9900X3D splits its 12 cores across two 6-core chiplets:
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CCD0 (V-Cache CCD): 6 cores with direct access to the stacked 96 MB local pool (32 MB base + 64 MB 3D stack), prioritized for cache-sensitive gaming workloads.
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CCD1 (Frequency CCD): 6 standard Zen 5 cores optimized for higher clock frequencies in multi-threaded productivity.
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Thermal & Power Efficiency: With a 120W TDP and 162W PPT limit, the 9900X3D is significantly easier to cool and less power-hungry than the 170W/230W 9950X3D, running comfortably on mid-range 240mm AIOs or dual-tower air coolers.
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