Ryzen 9 PRO 3900 vs EPYC 4245P
Ryzen 9 PRO 3900
EPYC 4245P
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 PRO 3900
Performance Per Dollar EPYC 4245P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 PRO 3900 | EPYC 4245P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($200) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 12 nm) | ✨ Modern (Grado (2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 PRO 3900 | EPYC 4245P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($200) | ✅ More affordable ($0) |
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 PRO 3900 and EPYC 4245P
Ryzen 9 PRO 3900
The Ryzen 9 PRO 3900 is manufactured by AMD. It was released in 30 September 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 6 MB. Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 31,251 points. Launch price was $499.
EPYC 4245P
The EPYC 4245P 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 6 cores and 12 threads. Base frequency is 3.9 GHz, with boost up to 5.4 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: 31,135 points. Launch price was $239.
Processing Power
The Ryzen 9 PRO 3900 packs 12 cores / 24 threads, while the EPYC 4245P offers 6 cores / 12 threads — the Ryzen 9 PRO 3900 has 6 more cores. Boost clocks reach 4.3 GHz on the Ryzen 9 PRO 3900 versus 5.4 GHz on the EPYC 4245P — a 22.7% clock advantage for the EPYC 4245P (base: 3.1 GHz vs 3.9 GHz). The Ryzen 9 PRO 3900 uses the Zen 2 (2017−2020) architecture (7 nm, 12 nm), while the EPYC 4245P uses Grado (2025) (4 nm). In PassMark, the Ryzen 9 PRO 3900 scores 31,251 against the EPYC 4245P's 31,135 — a 0.4% lead for the Ryzen 9 PRO 3900. Cinebench R23 multi-core: 17,500 vs 12,000 (37.3% advantage for the Ryzen 9 PRO 3900). Geekbench 6 single-core — the metric most relevant to gaming — records 1,688 vs 3,347, a 65.9% lead for the EPYC 4245P that directly translates to higher frame rates. Multi-core Geekbench: 10,000 vs 14,616 (37.5% advantage for the EPYC 4245P). L3 cache: 64 MB on the Ryzen 9 PRO 3900 vs 32 MB (total) on the EPYC 4245P.
| Feature | Ryzen 9 PRO 3900 | EPYC 4245P |
|---|---|---|
| Cores / Threads | 12 / 24+100% | 6 / 12 |
| Boost Clock | 4.3 GHz | 5.4 GHz+26% |
| Base Clock | 3.1 GHz | 3.9 GHz+26% |
| L3 Cache | 64 MB+100% | 32 MB (total) |
| L2 Cache | 6 MB+500% | 1 MB (per core) |
| Process | 7 nm, 12 nm | 4 nm-43% |
| Architecture | Zen 2 (2017−2020) | Grado (2025) |
| PassMark | 31,251 | 31,135 |
| Cinebench R23 Multi | 17,500+46% | 12,000 |
| Geekbench 6 Single | 1,688 | 3,347+98% |
| Geekbench 6 Multi | 10,000 | 14,616+46% |
Memory & Platform
The Ryzen 9 PRO 3900 uses the AM4 socket (PCIe 4.0), while the EPYC 4245P uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 PRO 3900 versus DDR5-5600 on the EPYC 4245P — the EPYC 4245P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 4245P supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 24 PCIe lanes. Chipset compatibility: X570,B550,X470,B450 (Ryzen 9 PRO 3900) and AM5 platform (EPYC 4245P).
| Feature | Ryzen 9 PRO 3900 | EPYC 4245P |
|---|---|---|
| Socket | AM4 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR5-5600+25% |
| Max RAM Capacity | 128 GB | 256 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24 | 24 |
Advanced Features
Only the Ryzen 9 PRO 3900 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 4245P supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The EPYC 4245P includes integrated graphics (Radeon Graphics (RDNA 2)), while the Ryzen 9 PRO 3900 requires a dedicated GPU. Primary use case: Ryzen 9 PRO 3900 targets Professional Content Creation, EPYC 4245P targets Entry-level Server / Workstation. Direct competitor: Ryzen 9 PRO 3900 rivals Core i9-10900; EPYC 4245P rivals Xeon E-2436.
| Feature | Ryzen 9 PRO 3900 | EPYC 4245P |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon Graphics (RDNA 2) |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | AMD-V |
| Target Use | Professional Content Creation | Entry-level Server / Workstation |
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