EPYC 7773X vs EPYC 9355P
EPYC 7773X
EPYC 9355P
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 EPYC 9355P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7773X | EPYC 9355P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($8,800) | ✅ More affordable ($3,026) |
| Longevity | ✨ Modern (Milan-X (2022) / 7 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 7773X | EPYC 9355P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+210%) |
| Upfront Cost | ⚠️ Higher cost ($8,800) | ✅ More affordable ($3,026) |
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 EPYC 9355P
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.
EPYC 9355P
The EPYC 9355P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 32 cores and 64 threads. Base frequency is 3.55 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 280 Watt. Memory support: DDR5. Passmark benchmark score: 97,249 points. Launch price was $2,998.
Processing Power
The EPYC 7773X packs 64 cores / 128 threads, while the EPYC 9355P offers 32 cores / 64 threads — the EPYC 7773X has 32 more cores. Boost clocks reach 3.5 GHz on the EPYC 7773X versus 4.4 GHz on the EPYC 9355P — a 22.8% clock advantage for the EPYC 9355P (base: 2.2 GHz vs 3.55 GHz). The EPYC 7773X uses the Milan-X (2022) architecture (7 nm), while the EPYC 9355P uses Turin (2024) (4 nm). In PassMark, the EPYC 7773X scores 91,340 against the EPYC 9355P's 97,249 — a 6.3% lead for the EPYC 9355P. L3 cache: 768 MB (total) on the EPYC 7773X vs 256 MB (total) on the EPYC 9355P.
| Feature | EPYC 7773X | EPYC 9355P |
|---|---|---|
| Cores / Threads | 64 / 128+100% | 32 / 64 |
| Boost Clock | 3.5 GHz | 4.4 GHz+26% |
| Base Clock | 2.2 GHz | 3.55 GHz+61% |
| L3 Cache | 768 MB (total)+200% | 256 MB (total) |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 7 nm | 4 nm-43% |
| Architecture | Milan-X (2022) | Turin (2024) |
| PassMark | 91,340 | 97,249+6% |
| Geekbench 6 Single | 1,536 | — |
| Geekbench 6 Multi | 45,000 | — |
Memory & Platform
The EPYC 7773X uses the SP3 socket (PCIe 4.0), while the EPYC 9355P uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7773X versus DDR5-6000 on the EPYC 9355P — the EPYC 9355P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9355P supports up to 6 TB of RAM compared to 4 TB — 40% more capacity for professional workloads. Memory channels: 8 (EPYC 7773X) vs 12 (EPYC 9355P). Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7773X) and SP5 (EPYC 9355P).
| Feature | EPYC 7773X | EPYC 9355P |
|---|---|---|
| Socket | SP3 | SP5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | DDR5-6000+25% |
| Max RAM Capacity | 4 TB | 6 TB+50% |
| RAM Channels | 8 | 12+50% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Virtualization support: AMD-V (EPYC 7773X) vs AMD-V, SEV-SNP (EPYC 9355P). Primary use case: EPYC 7773X targets Server, EPYC 9355P targets Data Center / Single Socket. Direct competitor: EPYC 7773X rivals EPYC 9654; EPYC 9355P rivals Xeon 6740P.
| Feature | EPYC 7773X | EPYC 9355P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | AMD-V, SEV-SNP |
| Target Use | Server | Data Center / Single Socket |
Value Analysis
The EPYC 7773X launched at $8800 MSRP, while the EPYC 9355P debuted at $2998. At current prices ($8800 vs $3026), the EPYC 9355P is $5774 cheaper. In terms of value (PassMark points per dollar), the EPYC 7773X delivers 10.4 pts/$ vs 32.1 pts/$ for the EPYC 9355P — making the EPYC 9355P the 102.4% better value option.
| Feature | EPYC 7773X | EPYC 9355P |
|---|---|---|
| MSRP | $8800 | $2998-66% |
| Avg Price (30d) | $8800 | $3026-66% |
| Performance per Dollar | 10.4 | 32.1+209% |
| Release Date | 2022 | 2024 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on EPYC 7773X and EPYC 9355P
