EPYC 9255 vs Ryzen 7 7800X3D
EPYC 9255
Popular choices:
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 9255
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9255 | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,934) | ✅ More affordable ($384) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 9255 | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+128%) |
| Upfront Cost | ⚠️ Higher cost ($1,934) | ✅ 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 9255 and Ryzen 7 7800X3D
EPYC 9255
The EPYC 9255 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 24 cores and 48 threads. Base frequency is 3.25 GHz, with boost up to 4.8 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 75,809 points. Launch price was $2,495.
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 9255 packs 24 cores / 48 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the EPYC 9255 has 16 more cores. Boost clocks reach 4.8 GHz on the EPYC 9255 versus 5 GHz on the Ryzen 7 7800X3D — a 4.1% clock advantage for the Ryzen 7 7800X3D (base: 3.25 GHz vs 4.4 GHz). The EPYC 9255 uses the Turin (2024) architecture (4 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the EPYC 9255 scores 75,809 against the Ryzen 7 7800X3D's 34,293 — a 75.4% lead for the EPYC 9255. L3 cache: 128 MB (total) on the EPYC 9255 vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | EPYC 9255 | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 24 / 48+200% | 8 / 16 |
| Boost Clock | 4.8 GHz | 5 GHz+4% |
| Base Clock | 3.25 GHz | 4.4 GHz+35% |
| L3 Cache | 128 MB (total)+33% | 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 | 75,809+121% | 34,293 |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | — | 2,700 |
| Geekbench 6 Multi | — | 15,000 |
Memory & Platform
The EPYC 9255 uses the SP5 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the EPYC 9255 versus DDR5-5200 on the Ryzen 7 7800X3D — the EPYC 9255 supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9255 supports up to 6144 of RAM compared to 128 GB — 191.8% more capacity for professional workloads. Memory channels: 12 (EPYC 9255) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 128 (EPYC 9255) vs 28 (Ryzen 7 7800X3D) — the EPYC 9255 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9255) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | EPYC 9255 | Ryzen 7 7800X3D |
|---|---|---|
| Socket | SP5 | AM5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 4800+95900% | DDR5-5200 |
| Max RAM Capacity | 6144 | 128 GB+2184433% |
| RAM Channels | 12+500% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Only the Ryzen 7 7800X3D 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, SEV-SNP (EPYC 9255) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 9255 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: EPYC 9255 rivals Xeon Platinum 8480+; Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | EPYC 9255 | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics (2-core) |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, SEV-SNP | AMD-V |
| Target Use | — | Gaming |
Value Analysis
The EPYC 9255 launched at $2495 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($1934 vs $384), the Ryzen 7 7800X3D is $1550 cheaper. In terms of value (PassMark points per dollar), the EPYC 9255 delivers 39.2 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 78% better value option.
| Feature | EPYC 9255 | Ryzen 7 7800X3D |
|---|---|---|
| MSRP | $2495 | $449-82% |
| Avg Price (30d) | $1934 | $384-80% |
| Performance per Dollar | 39.2 | 89.3+128% |
| Release Date | 2024 | 2023 |
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