Ryzen 9 9955HX vs Ryzen 7 7800X3D
Ryzen 9 9955HX
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Ryzen 7 7800X3D
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
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 9955HX | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($384) |
| Longevity | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Ryzen 9 9955HX | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($384) |
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 9955HX and Ryzen 7 7800X3D
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.
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.
Processing Power
The Ryzen 9 9955HX packs 16 cores / 32 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 9 9955HX has 8 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX versus 5 GHz on the Ryzen 7 7800X3D — a 7.7% clock advantage for the Ryzen 9 9955HX (base: 2.5 GHz vs 4.4 GHz). The Ryzen 9 9955HX uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Ryzen 9 9955HX scores 55,711 against the Ryzen 7 7800X3D's 34,293 — a 47.6% lead for the Ryzen 9 9955HX. Cinebench R23 multi-core: 38,010 vs 18,500 (69% advantage for the Ryzen 9 9955HX). Geekbench 6 single-core — the metric most relevant to gaming — records 3,219 vs 2,700, a 17.5% lead for the Ryzen 9 9955HX that directly translates to higher frame rates. Multi-core Geekbench: 19,563 vs 15,000 (26.4% advantage for the Ryzen 9 9955HX). L3 cache: 64 MB (total) on the Ryzen 9 9955HX vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Ryzen 9 9955HX | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 16 / 32+100% | 8 / 16 |
| Boost Clock | 5.4 GHz+8% | 5 GHz |
| Base Clock | 2.5 GHz | 4.4 GHz+76% |
| L3 Cache | 64 MB (total) | 96 MB (total)+50% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm-20% | 5 nm |
| Architecture | Fire Range-HX (Zen 5) (2025) | Raphael (Zen4) (2022−2023) |
| PassMark | 55,711+62% | 34,293 |
| Cinebench R23 Multi | 38,010+105% | 18,500 |
| Geekbench 6 Single | 3,219+19% | 2,700 |
| Geekbench 6 Multi | 19,563+30% | 15,000 |
Memory & Platform
The Ryzen 9 9955HX uses the FL1 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-5600 memory speed. The Ryzen 7 7800X3D 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 FL1 (Ryzen 9 9955HX) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | Ryzen 9 9955HX | Ryzen 7 7800X3D |
|---|---|---|
| Socket | FL1 | AM5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5600 | DDR5-5200 |
| Max RAM Capacity | 96 GB | 128 GB+33% |
| 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: true (Ryzen 9 9955HX) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — Radeon 610M (Ryzen 9 9955HX) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 9 9955HX rivals Core Ultra 9 275HX; Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Ryzen 9 9955HX | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon 610M | AMD Radeon Graphics (2-core) |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | true | AMD-V |
| Target Use | — | Gaming |
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