Ryzen 9 9900X3D vs Ryzen 5 5600X
Ryzen 9 9900X3D
Popular choices:
Ryzen 5 5600X
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Ryzen 9 9900X3D
Performance Per Dollar Ryzen 5 5600X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 9900X3D | Ryzen 5 5600X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($589) | ✅ More affordable ($135) |
| Longevity | ✨ Modern (Granite Ridge (2024−2025) / 4 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Ryzen 9 9900X3D | Ryzen 5 5600X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+69%) |
| Upfront Cost | ⚠️ Higher cost ($589) | ✅ More affordable ($135) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Ryzen 9 9900X3D and Ryzen 5 5600X
Ryzen 9 9900X3D
The Ryzen 9 9900X3D is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.5 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 56,301 points. Launch price was $599.
Ryzen 5 5600X
The Ryzen 5 5600X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 21,845 points. Launch price was $299.
Processing Power
The Ryzen 9 9900X3D packs 12 cores / 24 threads, while the Ryzen 5 5600X offers 6 cores / 12 threads — the Ryzen 9 9900X3D has 6 more cores. Boost clocks reach 5.5 GHz on the Ryzen 9 9900X3D versus 4.6 GHz on the Ryzen 5 5600X — a 17.8% clock advantage for the Ryzen 9 9900X3D (base: 4.4 GHz vs 3.7 GHz). The Ryzen 9 9900X3D uses the Granite Ridge (2024−2025) architecture (4 nm), while the Ryzen 5 5600X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Ryzen 9 9900X3D scores 56,301 against the Ryzen 5 5600X's 21,845 — a 88.2% lead for the Ryzen 9 9900X3D. L3 cache: 128 MB (total) on the Ryzen 9 9900X3D vs 32 MB on the Ryzen 5 5600X.
| Feature | Ryzen 9 9900X3D | Ryzen 5 5600X |
|---|---|---|
| Cores / Threads | 12 / 24+100% | 6 / 12 |
| Boost Clock | 5.5 GHz+20% | 4.6 GHz |
| Base Clock | 4.4 GHz+19% | 3.7 GHz |
| L3 Cache | 128 MB (total)+300% | 32 MB |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 4 nm-43% | 7 nm, 12 nm |
| Architecture | Granite Ridge (2024−2025) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 56,301+158% | 21,845 |
| Geekbench 6 Single | 3,400 | — |
| Geekbench 6 Multi | 26,000 | — |
Memory & Platform
The Ryzen 9 9900X3D uses the AM5 socket (PCIe 5.0), while the Ryzen 5 5600X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 9900X3D versus DDR4-3200 on the Ryzen 5 5600X — the Ryzen 9 9900X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 9900X3D supports up to 192 GB of RAM compared to 128 GB — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 24 PCIe lanes. Chipset compatibility: X670,X670E,X870,X870E (Ryzen 9 9900X3D) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 5 5600X).
| Feature | Ryzen 9 9900X3D | Ryzen 5 5600X |
|---|---|---|
| Socket | AM5 | AM4 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5600+25% | DDR4-3200 |
| Max RAM Capacity | 192 GB+50% | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24 | 24 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9900X3D supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 9 9900X3D includes integrated graphics (AMD Radeon Graphics (2 Cores)), while the Ryzen 5 5600X requires a dedicated GPU. Primary use case: Ryzen 9 9900X3D targets High End Gaming/Creation, Ryzen 5 5600X targets Desktop. Direct competitor: Ryzen 9 9900X3D rivals Core Ultra 9 285K.
| Feature | Ryzen 9 9900X3D | Ryzen 5 5600X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics (2 Cores) | — |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | High End Gaming/Creation | Desktop |
Value Analysis
The Ryzen 9 9900X3D launched at $599 MSRP, while the Ryzen 5 5600X debuted at $299. At current prices ($589 vs $135), the Ryzen 5 5600X is $454 cheaper. In terms of value (PassMark points per dollar), the Ryzen 9 9900X3D delivers 95.6 pts/$ vs 161.8 pts/$ for the Ryzen 5 5600X — making the Ryzen 5 5600X the 51.5% better value option.
| Feature | Ryzen 9 9900X3D | Ryzen 5 5600X |
|---|---|---|
| MSRP | $599 | $299-50% |
| Avg Price (30d) | $589 | $135-77% |
| Performance per Dollar | 95.6 | 161.8+69% |
| Release Date | 2025 | 2020 |
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