Ryzen 9 7950X3D vs EPYC 4345P
Ryzen 9 7950X3D
EPYC 4345P
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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 9 7950X3D
Performance Per Dollar EPYC 4345P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7950X3D | EPYC 4345P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($486) | ✅ More affordable ($329) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm, 6 nm) | ✨ Modern (Grado (2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 7950X3D | EPYC 4345P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+17%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($486) | ✅ More affordable ($329) |
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 9 7950X3D and EPYC 4345P
Ryzen 9 7950X3D
The Ryzen 9 7950X3D 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 16 cores and 32 threads. Base frequency is 4.2 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 62,323 points. Launch price was $699.
EPYC 4345P
The EPYC 4345P is manufactured by AMD. It was released in 13 May 2025 (less than a year ago). It is based on the Grado (2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 36,006 points. Launch price was $329.
Processing Power
The Ryzen 9 7950X3D packs 16 cores / 32 threads, while the EPYC 4345P offers 8 cores / 16 threads — the Ryzen 9 7950X3D has 8 more cores. Boost clocks reach 5.7 GHz on the Ryzen 9 7950X3D versus 5.5 GHz on the EPYC 4345P — a 3.6% clock advantage for the Ryzen 9 7950X3D (base: 4.2 GHz vs 3.8 GHz). The Ryzen 9 7950X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm, 6 nm), while the EPYC 4345P uses Grado (2025) (4 nm). In PassMark, the Ryzen 9 7950X3D scores 62,323 against the EPYC 4345P's 36,006 — a 53.5% lead for the Ryzen 9 7950X3D. L3 cache: 128 MB (total) on the Ryzen 9 7950X3D vs 32 MB (total) on the EPYC 4345P.
| Feature | Ryzen 9 7950X3D | EPYC 4345P |
|---|---|---|
| Cores / Threads | 16 / 32+100% | 8 / 16 |
| Boost Clock | 5.7 GHz+4% | 5.5 GHz |
| Base Clock | 4.2 GHz+11% | 3.8 GHz |
| L3 Cache | 128 MB (total)+300% | 32 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm, 6 nm | 4 nm-20% |
| Architecture | Raphael (Zen4) (2022−2023) | Grado (2025) |
| PassMark | 62,323+73% | 36,006 |
| Cinebench R23 Multi | 38,581 | — |
| Geekbench 6 Single | 2,926 | — |
| Geekbench 6 Multi | 19,643 | — |
Memory & Platform
Both processors use the AM5 socket with PCIe 5.0. Maximum memory speed reaches DDR5-5200 on the Ryzen 9 7950X3D versus 5600 on the EPYC 4345P — the EPYC 4345P supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 28 PCIe lanes. Chipset compatibility: AMD X670E,AMD X670,AMD B650E,AMD B650 (Ryzen 9 7950X3D) and AM5 (EPYC 4345P).
| Feature | Ryzen 9 7950X3D | EPYC 4345P |
|---|---|---|
| Socket | AM5 | AM5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5200 | 5600+111900% |
| Max RAM Capacity | 128 GB+104857500% | 128 |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 28 |
Advanced Features
Only the Ryzen 9 7950X3D 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: true (Ryzen 9 7950X3D) vs AMD-V, IOMMU (EPYC 4345P). Both include integrated graphics — Radeon Graphics (Ryzen 9 7950X3D) and AMD Radeon Graphics (EPYC 4345P) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Ryzen 9 7950X3D rivals Core i9-13900K; EPYC 4345P rivals Xeon E-2488.
| Feature | Ryzen 9 7950X3D | EPYC 4345P |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon Graphics | AMD Radeon Graphics |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | true | AMD-V, IOMMU |
Value Analysis
The Ryzen 9 7950X3D launched at $699 MSRP, while the EPYC 4345P debuted at $329. At current prices ($486 vs $329), the EPYC 4345P is $157 cheaper. In terms of value (PassMark points per dollar), the Ryzen 9 7950X3D delivers 128.2 pts/$ vs 109.4 pts/$ for the EPYC 4345P — making the Ryzen 9 7950X3D the 15.8% better value option.
| Feature | Ryzen 9 7950X3D | EPYC 4345P |
|---|---|---|
| MSRP | $699 | $329-53% |
| Avg Price (30d) | $486 | $329-32% |
| Performance per Dollar | 128.2+17% | 109.4 |
| Release Date | 2023 | 2025 |
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