Ryzen 7 7800X3D vs EPYC 9655
Ryzen 7 7800X3D
EPYC 9655
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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 Ryzen 7 7800X3D
Performance Per Dollar EPYC 9655
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 7800X3D | EPYC 9655 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($384) | ⚠️ Higher cost ($11,852) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 7 7800X3D | EPYC 9655 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+578%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($384) | ⚠️ Higher cost ($11,852) |
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 Ryzen 7 7800X3D and EPYC 9655
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.
EPYC 9655
The EPYC 9655 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 96 cores and 192 threads. Base frequency is 2.6 GHz, with boost up to 4.5 GHz. L3 cache: 384 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 156,110 points. Launch price was $11,852.
Processing Power
The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the EPYC 9655 offers 96 cores / 192 threads — the EPYC 9655 has 88 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 4.5 GHz on the EPYC 9655 — a 10.5% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 2.6 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the EPYC 9655 uses Turin (2024) (4 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the EPYC 9655's 156,110 — a 128% lead for the EPYC 9655. Geekbench 6 single-core — the metric most relevant to gaming — records 2,700 vs 2,830, a 4.7% lead for the EPYC 9655 that directly translates to higher frame rates. Multi-core Geekbench: 15,000 vs 29,329 (64.6% advantage for the EPYC 9655). L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 384 MB (total) on the EPYC 9655.
| Feature | Ryzen 7 7800X3D | EPYC 9655 |
|---|---|---|
| Cores / Threads | 8 / 16 | 96 / 192+1100% |
| Boost Clock | 5 GHz+11% | 4.5 GHz |
| Base Clock | 4.4 GHz+69% | 2.6 GHz |
| L3 Cache | 96 MB (total) | 384 MB (total)+300% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 4 nm-20% |
| Architecture | Raphael (Zen4) (2022−2023) | Turin (2024) |
| PassMark | 34,293 | 156,110+355% |
| Cinebench R23 Multi | 18,500 | — |
| Geekbench 6 Single | 2,700 | 2,830+5% |
| Geekbench 6 Multi | 15,000 | 29,329+96% |
Memory & Platform
The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the EPYC 9655 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-5200 memory speed. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 9 TB — 173.7% more capacity for professional workloads. Memory channels: 2 (Ryzen 7 7800X3D) vs 12 (EPYC 9655). PCIe lanes: 28 (Ryzen 7 7800X3D) vs 128 (EPYC 9655) — the EPYC 9655 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D) and SP5 (EPYC 9655).
| Feature | Ryzen 7 7800X3D | EPYC 9655 |
|---|---|---|
| Socket | AM5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5200 | DDR5-6000 |
| Max RAM Capacity | 128 GB | 9 TB+7100% |
| RAM Channels | 2 | 12+500% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 128+357% |
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: AMD-V (Ryzen 7 7800X3D) vs AMD-V, SEV-SNP (EPYC 9655). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 9655 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming, EPYC 9655 targets Data Center. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K; EPYC 9655 rivals Xeon 6979P.
| Feature | Ryzen 7 7800X3D | EPYC 9655 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics (2-core) | — |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V | AMD-V, SEV-SNP |
| Target Use | Gaming | Data Center |
Value Analysis
The Ryzen 7 7800X3D launched at $449 MSRP, while the EPYC 9655 debuted at $11852. At current prices ($384 vs $11852), the Ryzen 7 7800X3D is $11468 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 7800X3D delivers 89.3 pts/$ vs 13.2 pts/$ for the EPYC 9655 — making the Ryzen 7 7800X3D the 148.6% better value option.
| Feature | Ryzen 7 7800X3D | EPYC 9655 |
|---|---|---|
| MSRP | $449-96% | $11852 |
| Avg Price (30d) | $384-97% | $11852 |
| Performance per Dollar | 89.3+577% | 13.2 |
| Release Date | 2023 | 2024 |
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