EPYC 7773X vs Ryzen 9 5900X
EPYC 7773X
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 7773X
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7773X | Ryzen 9 5900X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($8,800) | ✅ More affordable ($350) |
| Longevity | ✨ Modern (Milan-X (2022) / 7 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | EPYC 7773X | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+972%) |
| Upfront Cost | ⚠️ Higher cost ($8,800) | ✅ 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 7773X and Ryzen 9 5900X
EPYC 7773X
The EPYC 7773X is manufactured by AMD. It was released in 2022-03-22. It is based on the Milan-X (2022) architecture. It features 64 cores and 128 threads. Base frequency is 2.2 GHz, with boost up to 3.5 GHz. L3 cache: 768 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 91,340 points. Launch price was $8,800.
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 7773X packs 64 cores / 128 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the EPYC 7773X has 52 more cores. Boost clocks reach 3.5 GHz on the EPYC 7773X versus 4.8 GHz on the Ryzen 9 5900X — a 31.3% clock advantage for the Ryzen 9 5900X (base: 2.2 GHz vs 3.7 GHz). The EPYC 7773X uses the Milan-X (2022) architecture (7 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the EPYC 7773X scores 91,340 against the Ryzen 9 5900X's 38,955 — a 80.4% lead for the EPYC 7773X. Geekbench 6 single-core — the metric most relevant to gaming — records 1,536 vs 2,174, a 34.4% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 45,000 vs 11,888 (116.4% advantage for the EPYC 7773X). L3 cache: 768 MB (total) on the EPYC 7773X vs 64 MB on the Ryzen 9 5900X.
| Feature | EPYC 7773X | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 64 / 128+433% | 12 / 24 |
| Boost Clock | 3.5 GHz | 4.8 GHz+37% |
| Base Clock | 2.2 GHz | 3.7 GHz+68% |
| L3 Cache | 768 MB (total)+1100% | 64 MB |
| L2 Cache | 512K (per core) | 512K (per core) |
| Process | 7 nm | 7 nm, 12 nm |
| Architecture | Milan-X (2022) | Vermeer (Zen3) (2020−2022) |
| PassMark | 91,340+134% | 38,955 |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | 1,536 | 2,174+42% |
| Geekbench 6 Multi | 45,000+279% | 11,888 |
Memory & Platform
The EPYC 7773X uses the SP3 socket (PCIe 4.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 4 TB — 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 7773X) vs 2 (Ryzen 9 5900X). PCIe lanes: 128 (EPYC 7773X) vs 24 (Ryzen 9 5900X) — the EPYC 7773X offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7773X) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | EPYC 7773X | Ryzen 9 5900X |
|---|---|---|
| Socket | SP3 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 4 TB+3100% | 128 GB |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+433% | 24 |
Advanced Features
Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AMD-V virtualization. Primary use case: EPYC 7773X targets Server, Ryzen 9 5900X targets Workstation. Direct competitor: EPYC 7773X rivals EPYC 9654; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | EPYC 7773X | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Server | Workstation |
Value Analysis
The EPYC 7773X launched at $8800 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($8800 vs $350), the Ryzen 9 5900X is $8450 cheaper. In terms of value (PassMark points per dollar), the EPYC 7773X delivers 10.4 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 165.9% better value option.
| Feature | EPYC 7773X | Ryzen 9 5900X |
|---|---|---|
| MSRP | $8800 | $549-94% |
| Avg Price (30d) | $8800 | $350-96% |
| Performance per Dollar | 10.4 | 111.3+970% |
| Release Date | 2022 | 2020 |
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