Ryzen 9 7950X3D vs Ryzen 9 9955HX
Ryzen 9 7950X3D
Ryzen 9 9955HX
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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 7950X3D
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7950X3D | Ryzen 9 9955HX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($486) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm, 6 nm) | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 7950X3D | Ryzen 9 9955HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($486) | ✅ More affordable ($0) |
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 7950X3D and Ryzen 9 9955HX
Ryzen 9 7950X3D
The Ryzen 9 7950X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 16 cores and 32 threads. Base frequency is 4.2 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 62,323 points. Launch price was $699.
Ryzen 9 9955HX
The Ryzen 9 9955HX is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 55,711 points. Launch price was $650.
Processing Power
Both the Ryzen 9 7950X3D and Ryzen 9 9955HX share an identical 16-core/32-thread configuration. Boost clocks reach 5.7 GHz on the Ryzen 9 7950X3D versus 5.4 GHz on the Ryzen 9 9955HX — a 5.4% clock advantage for the Ryzen 9 7950X3D (base: 4.2 GHz vs 2.5 GHz). The Ryzen 9 7950X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm, 6 nm), while the Ryzen 9 9955HX uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the Ryzen 9 7950X3D scores 62,323 against the Ryzen 9 9955HX's 55,711 — a 11.2% lead for the Ryzen 9 7950X3D. Cinebench R23 multi-core: 38,581 vs 38,010 (1.5% advantage for the Ryzen 9 7950X3D). Geekbench 6 single-core — the metric most relevant to gaming — records 2,926 vs 3,219, a 9.5% lead for the Ryzen 9 9955HX that directly translates to higher frame rates. Multi-core Geekbench: 19,643 vs 19,563 (0.4% advantage for the Ryzen 9 7950X3D). L3 cache: 128 MB (total) on the Ryzen 9 7950X3D vs 64 MB (total) on the Ryzen 9 9955HX.
| Feature | Ryzen 9 7950X3D | Ryzen 9 9955HX |
|---|---|---|
| Cores / Threads | 16 / 32 | 16 / 32 |
| Boost Clock | 5.7 GHz+6% | 5.4 GHz |
| Base Clock | 4.2 GHz+68% | 2.5 GHz |
| L3 Cache | 128 MB (total)+100% | 64 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm, 6 nm | 4 nm-20% |
| Architecture | Raphael (Zen4) (2022−2023) | Fire Range-HX (Zen 5) (2025) |
| PassMark | 62,323+12% | 55,711 |
| Cinebench R23 Multi | 38,581+2% | 38,010 |
| Geekbench 6 Single | 2,926 | 3,219+10% |
| Geekbench 6 Multi | 19,643 | 19,563 |
Memory & Platform
The Ryzen 9 7950X3D uses the AM5 socket (PCIe 5.0), while the Ryzen 9 9955HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-5200 memory speed. The Ryzen 9 7950X3D supports up to 128 GB of RAM compared to 96 GB — 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 28 PCIe lanes. Chipset compatibility: AMD X670E,AMD X670,AMD B650E,AMD B650 (Ryzen 9 7950X3D) and AMD FL1 (Ryzen 9 9955HX).
| Feature | Ryzen 9 7950X3D | Ryzen 9 9955HX |
|---|---|---|
| Socket | AM5 | FL1 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5200 | DDR5-5600 |
| Max RAM Capacity | 128 GB+33% | 96 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 28 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support true virtualization. Both include integrated graphics — Radeon Graphics (Ryzen 9 7950X3D) and Radeon 610M (Ryzen 9 9955HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Ryzen 9 7950X3D rivals Core i9-13900K; Ryzen 9 9955HX rivals Core Ultra 9 275HX.
| Feature | Ryzen 9 7950X3D | Ryzen 9 9955HX |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon Graphics | Radeon 610M |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | true | true |
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