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