EPYC 8324P vs Ryzen 9 9955HX
EPYC 8324P
Ryzen 9 9955HX
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 EPYC 8324P
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 8324P | Ryzen 9 9955HX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($3,598) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Siena (2023−2024) / 5 nm) | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 8324P | Ryzen 9 9955HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($3,598) | ✅ 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 EPYC 8324P and Ryzen 9 9955HX
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.
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
The EPYC 8324P packs 32 cores / 64 threads, while the Ryzen 9 9955HX offers 16 cores / 32 threads — the EPYC 8324P has 16 more cores. Boost clocks reach 3 GHz on the EPYC 8324P versus 5.4 GHz on the Ryzen 9 9955HX — a 57.1% clock advantage for the Ryzen 9 9955HX (base: 2.65 GHz vs 2.5 GHz). The EPYC 8324P uses the Siena (2023−2024) architecture (5 nm), while the Ryzen 9 9955HX uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the EPYC 8324P scores 57,127 against the Ryzen 9 9955HX's 55,711 — a 2.5% lead for the EPYC 8324P. L3 cache: 128 MB (total) on the EPYC 8324P vs 64 MB (total) on the Ryzen 9 9955HX.
| Feature | EPYC 8324P | Ryzen 9 9955HX |
|---|---|---|
| Cores / Threads | 32 / 64+100% | 16 / 32 |
| Boost Clock | 3 GHz | 5.4 GHz+80% |
| Base Clock | 2.65 GHz+6% | 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 | 4 nm-20% |
| Architecture | Siena (2023−2024) | Fire Range-HX (Zen 5) (2025) |
| PassMark | 57,127+3% | 55,711 |
| Cinebench R23 Multi | — | 38,010 |
| Geekbench 6 Single | — | 3,219 |
| Geekbench 6 Multi | — | 19,563 |
Memory & Platform
The EPYC 8324P uses the SP6 socket (PCIe 4.0), while the Ryzen 9 9955HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the EPYC 8324P versus DDR5-5600 on the Ryzen 9 9955HX — 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: 6 (EPYC 8324P) vs 2 (Ryzen 9 9955HX). PCIe lanes: 96 (EPYC 8324P) vs 28 (Ryzen 9 9955HX) — the EPYC 8324P offers 68 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP6 (EPYC 8324P) and AMD FL1 (Ryzen 9 9955HX).
| Feature | EPYC 8324P | Ryzen 9 9955HX |
|---|---|---|
| Socket | SP6 | FL1 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 4800+95900% | DDR5-5600 |
| Max RAM Capacity | 1152 | 96 GB+8738033% |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 96+243% | 28 |
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: VT-x, VT-d (EPYC 8324P) vs true (Ryzen 9 9955HX). The Ryzen 9 9955HX includes integrated graphics (Radeon 610M), while the EPYC 8324P requires a dedicated GPU. Direct competitor: EPYC 8324P rivals Xeon Platinum 8452Y; Ryzen 9 9955HX rivals Core Ultra 9 275HX.
| Feature | EPYC 8324P | Ryzen 9 9955HX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon 610M |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | true |
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