EPYC 9684X vs Ryzen 9 5900X
EPYC 9684X
Ryzen 9 5900X
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 9684X
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9684X | Ryzen 9 5900X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($14,756) | ✅ More affordable ($350) |
| Longevity | ✨ Modern (Genoa-X (2023) / 5 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | EPYC 9684X | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1246%) |
| Upfront Cost | ⚠️ Higher cost ($14,756) | ✅ More affordable ($350) |
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 9684X and Ryzen 9 5900X
EPYC 9684X
The EPYC 9684X is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Genoa-X (2023) architecture. It features 96 cores and 192 threads. Base frequency is 2.55 GHz, with boost up to 3.7 GHz. L3 cache: 1152 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 122,017 points. Launch price was $14,756.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The EPYC 9684X packs 96 cores / 192 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the EPYC 9684X has 84 more cores. Boost clocks reach 3.7 GHz on the EPYC 9684X versus 4.8 GHz on the Ryzen 9 5900X — a 25.9% clock advantage for the Ryzen 9 5900X (base: 2.55 GHz vs 3.7 GHz). The EPYC 9684X uses the Genoa-X (2023) architecture (5 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the EPYC 9684X scores 122,017 against the Ryzen 9 5900X's 38,955 — a 103.2% lead for the EPYC 9684X. L3 cache: 1152 MB (total) on the EPYC 9684X vs 64 MB on the Ryzen 9 5900X.
| Feature | EPYC 9684X | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 96 / 192+700% | 12 / 24 |
| Boost Clock | 3.7 GHz | 4.8 GHz+30% |
| Base Clock | 2.55 GHz | 3.7 GHz+45% |
| L3 Cache | 1152 MB (total)+1700% | 64 MB |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 5 nm-29% | 7 nm, 12 nm |
| Architecture | Genoa-X (2023) | Vermeer (Zen3) (2020−2022) |
| PassMark | 122,017+213% | 38,955 |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The EPYC 9684X uses the SP5 socket (PCIe 5.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the EPYC 9684X versus DDR4-3200 on the Ryzen 9 5900X — the EPYC 9684X supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 6 TB — 182.1% more capacity for professional workloads. Memory channels: 12 (EPYC 9684X) vs 2 (Ryzen 9 5900X). PCIe lanes: 128 (EPYC 9684X) vs 24 (Ryzen 9 5900X) — the EPYC 9684X offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9684X) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | EPYC 9684X | Ryzen 9 5900X |
|---|---|---|
| Socket | SP5 | AM4 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-4800+25% | DDR4-3200 |
| Max RAM Capacity | 6 TB+4700% | 128 GB |
| RAM Channels | 12+500% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+433% | 24 |
Advanced Features
Virtualization support: AMD-V, SEV-SNP (EPYC 9684X) vs AMD-V (Ryzen 9 5900X). Primary use case: EPYC 9684X targets HPC / Cache Sensitive Workloads, Ryzen 9 5900X targets Workstation. Direct competitor: EPYC 9684X rivals Xeon 6979P; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | EPYC 9684X | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | AMD-V, SEV-SNP | AMD-V |
| Target Use | HPC / Cache Sensitive Workloads | Workstation |
Value Analysis
The EPYC 9684X launched at $14756 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($14756 vs $350), the Ryzen 9 5900X is $14406 cheaper. In terms of value (PassMark points per dollar), the EPYC 9684X delivers 8.3 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 172.3% better value option.
| Feature | EPYC 9684X | Ryzen 9 5900X |
|---|---|---|
| MSRP | $14756 | $549-96% |
| Avg Price (30d) | $14756 | $350-98% |
| Performance per Dollar | 8.3 | 111.3+1241% |
| Release Date | 2023 | 2020 |
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