Ryzen 9 9955HX vs EPYC 8324P
Ryzen 9 9955HX
EPYC 8324P
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 EPYC 8324P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 9955HX | EPYC 8324P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($3,598) |
| Longevity | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) | ✨ Modern (Siena (2023−2024) / 5 nm) |
💎 Value Proposition
| Insight | Ryzen 9 9955HX | EPYC 8324P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($3,598) |
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.
League of Legends
Valorant
Technical Specifications
Side-by-side comparison of Ryzen 9 9955HX and EPYC 8324P
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.
EPYC 8324P
The EPYC 8324P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.65 GHz, with boost up to 3 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 180 Watt. Memory support: DDR5. Passmark benchmark score: 57,127 points. Launch price was $1,895.
Processing Power
The Ryzen 9 9955HX packs 16 cores / 32 threads, while the EPYC 8324P offers 32 cores / 64 threads — the EPYC 8324P has 16 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX versus 3 GHz on the EPYC 8324P — a 57.1% clock advantage for the Ryzen 9 9955HX (base: 2.5 GHz vs 2.65 GHz). The Ryzen 9 9955HX uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the EPYC 8324P uses Siena (2023−2024) (5 nm). In PassMark, the Ryzen 9 9955HX scores 55,711 against the EPYC 8324P's 57,127 — a 2.5% lead for the EPYC 8324P. L3 cache: 64 MB (total) on the Ryzen 9 9955HX vs 128 MB (total) on the EPYC 8324P.
| Feature | Ryzen 9 9955HX | EPYC 8324P |
|---|---|---|
| Cores / Threads | 16 / 32 | 32 / 64+100% |
| Boost Clock | 5.4 GHz+80% | 3 GHz |
| Base Clock | 2.5 GHz | 2.65 GHz+6% |
| L3 Cache | 64 MB (total) | 128 MB (total)+100% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm-20% | 5 nm |
| Architecture | Fire Range-HX (Zen 5) (2025) | Siena (2023−2024) |
| PassMark | 55,711 | 57,127+3% |
| Cinebench R23 Multi | 38,010 | — |
| Geekbench 6 Single | 3,219 | — |
| Geekbench 6 Multi | 19,563 | — |
Memory & Platform
The Ryzen 9 9955HX uses the FL1 socket (PCIe 5.0), while the EPYC 8324P uses SP6 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 9955HX versus 4800 on the EPYC 8324P — the EPYC 8324P supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8324P supports up to 1152 of RAM compared to 96 GB — 169.2% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9955HX) vs 6 (EPYC 8324P). PCIe lanes: 28 (Ryzen 9 9955HX) vs 96 (EPYC 8324P) — the EPYC 8324P offers 68 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD FL1 (Ryzen 9 9955HX) and SP6 (EPYC 8324P).
| Feature | Ryzen 9 9955HX | EPYC 8324P |
|---|---|---|
| Socket | FL1 | SP6 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5600 | 4800+95900% |
| Max RAM Capacity | 96 GB+8738033% | 1152 |
| RAM Channels | 2 | 6+200% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 96+243% |
Advanced Features
Only the Ryzen 9 9955HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Ryzen 9 9955HX) vs VT-x, VT-d (EPYC 8324P). The Ryzen 9 9955HX includes integrated graphics (Radeon 610M), while the EPYC 8324P requires a dedicated GPU. Direct competitor: Ryzen 9 9955HX rivals Core Ultra 9 275HX; EPYC 8324P rivals Xeon Platinum 8452Y.
| Feature | Ryzen 9 9955HX | EPYC 8324P |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon 610M | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d |
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