Ryzen 7 7800X3D vs Ryzen 9 9955HX3D
Ryzen 7 7800X3D
Ryzen 9 9955HX3D
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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 7 7800X3D
Performance Per Dollar Ryzen 9 9955HX3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 7800X3D | Ryzen 9 9955HX3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($384) | ⚠️ Higher cost ($749) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 7 7800X3D | Ryzen 9 9955HX3D |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+9%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($384) | ⚠️ Higher cost ($749) |
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 7 7800X3D and Ryzen 9 9955HX3D
Ryzen 7 7800X3D
The Ryzen 7 7800X3D 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 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Ryzen 9 9955HX3D
The Ryzen 9 9955HX3D 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: 128 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: 61,578 points. Launch price was $700.
Processing Power
The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Ryzen 9 9955HX3D offers 16 cores / 32 threads — the Ryzen 9 9955HX3D has 8 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 5.4 GHz on the Ryzen 9 9955HX3D — a 7.7% clock advantage for the Ryzen 9 9955HX3D (base: 4.4 GHz vs 2.5 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Ryzen 9 9955HX3D uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Ryzen 9 9955HX3D's 61,578 — a 56.9% lead for the Ryzen 9 9955HX3D. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 128 MB (total) on the Ryzen 9 9955HX3D.
| Feature | Ryzen 7 7800X3D | Ryzen 9 9955HX3D |
|---|---|---|
| Cores / Threads | 8 / 16 | 16 / 32+100% |
| Boost Clock | 5 GHz | 5.4 GHz+8% |
| Base Clock | 4.4 GHz+76% | 2.5 GHz |
| L3 Cache | 96 MB (total) | 128 MB (total)+33% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 4 nm-20% |
| Architecture | Raphael (Zen4) (2022−2023) | Fire Range-HX (Zen 5) (2025) |
| PassMark | 34,293 | 61,578+80% |
| Cinebench R23 Multi | 18,500 | — |
| Geekbench 6 Single | 2,700 | — |
| Geekbench 6 Multi | 15,000 | — |
Memory & Platform
The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the Ryzen 9 9955HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 7800X3D versus 5600 on the Ryzen 9 9955HX3D — the Ryzen 9 9955HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 96 — 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 28 PCIe lanes. Chipset compatibility: X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D) and FL1 (Ryzen 9 9955HX3D).
| Feature | Ryzen 7 7800X3D | Ryzen 9 9955HX3D |
|---|---|---|
| Socket | AM5 | FL1 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5200 | 5600+111900% |
| Max RAM Capacity | 128 GB+139810033% | 96 |
| 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. Virtualization support: AMD-V (Ryzen 7 7800X3D) vs VT-x, VT-d, AMD-V (Ryzen 9 9955HX3D). Both include integrated graphics — AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) and AMD Radeon 610M (Ryzen 9 9955HX3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K; Ryzen 9 9955HX3D rivals Core Ultra 9 185H.
| Feature | Ryzen 7 7800X3D | Ryzen 9 9955HX3D |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | AMD Radeon Graphics (2-core) | AMD Radeon 610M |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V | VT-x, VT-d, AMD-V |
| Target Use | Gaming | — |
Value Analysis
The Ryzen 7 7800X3D launched at $449 MSRP, while the Ryzen 9 9955HX3D debuted at $749.
| Feature | Ryzen 7 7800X3D | Ryzen 9 9955HX3D |
|---|---|---|
| MSRP | $449-40% | $749 |
| Avg Price (30d) | $384 | — |
| Release Date | 2023 | 2025 |
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