
EPYC 9555 vs Ryzen 7 7800X3D

EPYC 9555
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Ryzen 7 7800X3D
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 9555
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9555 | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($7,973) | ✅ More affordable ($384) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 9555 | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+434%) |
| Upfront Cost | ⚠️ Higher cost ($7,973) | ✅ More affordable ($384) |
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 9555 and Ryzen 7 7800X3D

EPYC 9555
The EPYC 9555 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 64 cores and 128 threads. Base frequency is 3.2 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): 360 Watt. Memory support: DDR5. Passmark benchmark score: 133,253 points. Launch price was $9,826.

Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Processing Power
The EPYC 9555 packs 64 cores / 128 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the EPYC 9555 has 56 more cores. Boost clocks reach 4.4 GHz on the EPYC 9555 versus 5 GHz on the Ryzen 7 7800X3D — a 12.8% clock advantage for the Ryzen 7 7800X3D (base: 3.2 GHz vs 4.4 GHz). The EPYC 9555 uses the Turin (2024) architecture (4 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the EPYC 9555 scores 133,253 against the Ryzen 7 7800X3D's 34,293 — a 118.1% lead for the EPYC 9555. L3 cache: 256 MB (total) on the EPYC 9555 vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | EPYC 9555 | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 64 / 128+700% | 8 / 16 |
| Boost Clock | 4.4 GHz | 5 GHz+14% |
| Base Clock | 3.2 GHz | 4.4 GHz+38% |
| L3 Cache | 256 MB (total)+167% | 96 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm-20% | 5 nm |
| Architecture | Turin (2024) | Raphael (Zen4) (2022−2023) |
| PassMark | 133,253+289% | 34,293 |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | — | 2,700 |
| Geekbench 6 Multi | — | 15,000 |
Memory & Platform
The EPYC 9555 uses the SP5 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6000 memory speed. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 6 TB — 182.1% more capacity for professional workloads. Memory channels: 12 (EPYC 9555) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 128 (EPYC 9555) vs 28 (Ryzen 7 7800X3D) — the EPYC 9555 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9555) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | EPYC 9555 | Ryzen 7 7800X3D |
|---|---|---|
| Socket | SP5 | AM5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6000 | DDR5-5200 |
| Max RAM Capacity | 6 TB+4700% | 128 GB |
| RAM Channels | 12+500% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Virtualization support: AMD-V, SEV-SNP (EPYC 9555) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 9555 requires a dedicated GPU. Primary use case: EPYC 9555 targets Data Center, Ryzen 7 7800X3D targets Gaming. Direct competitor: EPYC 9555 rivals Xeon 6972P; Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | EPYC 9555 | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | AMD Radeon Graphics (2-core) |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | AMD-V, SEV-SNP | AMD-V |
| Target Use | Data Center | Gaming |
Value Analysis
The EPYC 9555 launched at $9826 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($7973 vs $384), the Ryzen 7 7800X3D is $7589 cheaper. In terms of value (PassMark points per dollar), the EPYC 9555 delivers 16.7 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 136.9% better value option.
| Feature | EPYC 9555 | Ryzen 7 7800X3D |
|---|---|---|
| MSRP | $9826 | $449-95% |
| Avg Price (30d) | $7973 | $384-95% |
| Performance per Dollar | 16.7 | 89.3+435% |
| Release Date | 2024 | 2023 |
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