EPYC 7402 vs Ryzen 9 PRO 7945
EPYC 7402
Ryzen 9 PRO 7945
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 7402
Performance Per Dollar Ryzen 9 PRO 7945
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7402 | Ryzen 9 PRO 7945 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,285) | ✅ More affordable ($450) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) | ✨ Modern (Raphael (2023−2025) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 7402 | Ryzen 9 PRO 7945 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+417%) |
| Upfront Cost | ⚠️ Higher cost ($2,285) | ✅ More affordable ($450) |
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 7402 and Ryzen 9 PRO 7945
EPYC 7402
The EPYC 7402 is manufactured by AMD. It was released in 7 August 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 24 cores and 48 threads. Base frequency is 2.8 GHz, with boost up to 3.35 GHz. L3 cache: 32 MB (total). L2 cache: 512 kB (per core). Built on 7 nm, 14 nm process technology. Socket: SP3. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 46,012 points. Launch price was $1,783.
Ryzen 9 PRO 7945
The Ryzen 9 PRO 7945 is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Raphael (2023−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 46,828 points. Launch price was $499.
Processing Power
The EPYC 7402 packs 24 cores / 48 threads, while the Ryzen 9 PRO 7945 offers 12 cores / 24 threads — the EPYC 7402 has 12 more cores. Boost clocks reach 3.35 GHz on the EPYC 7402 versus 5.4 GHz on the Ryzen 9 PRO 7945 — a 46.9% clock advantage for the Ryzen 9 PRO 7945 (base: 2.8 GHz vs 3.7 GHz). The EPYC 7402 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the Ryzen 9 PRO 7945 uses Raphael (2023−2025) (5 nm). In PassMark, the EPYC 7402 scores 46,012 against the Ryzen 9 PRO 7945's 46,828 — a 1.8% lead for the Ryzen 9 PRO 7945. Cinebench R23 multi-core: 28,546 vs 28,905 (1.2% advantage for the Ryzen 9 PRO 7945). Geekbench 6 single-core — the metric most relevant to gaming — records 1,299 vs 2,206, a 51.8% lead for the Ryzen 9 PRO 7945 that directly translates to higher frame rates. Multi-core Geekbench: 12,622 vs 16,832 (28.6% advantage for the Ryzen 9 PRO 7945). L3 cache: 32 MB (total) on the EPYC 7402 vs 64 MB (total) on the Ryzen 9 PRO 7945.
| Feature | EPYC 7402 | Ryzen 9 PRO 7945 |
|---|---|---|
| Cores / Threads | 24 / 48+100% | 12 / 24 |
| Boost Clock | 3.35 GHz | 5.4 GHz+61% |
| Base Clock | 2.8 GHz | 3.7 GHz+32% |
| L3 Cache | 32 MB (total) | 64 MB (total)+100% |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 14 nm | 5 nm-29% |
| Architecture | Zen 2 (2017−2020) | Raphael (2023−2025) |
| PassMark | 46,012 | 46,828+2% |
| Cinebench R23 Multi | 28,546 | 28,905+1% |
| Geekbench 6 Single | 1,299 | 2,206+70% |
| Geekbench 6 Multi | 12,622 | 16,832+33% |
Memory & Platform
The EPYC 7402 uses the SP3 socket (PCIe 4.0), while the Ryzen 9 PRO 7945 uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7402 versus DDR5-5200 on the Ryzen 9 PRO 7945 — the Ryzen 9 PRO 7945 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7402 supports up to 4096 GB of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 7402) vs 2 (Ryzen 9 PRO 7945). PCIe lanes: 128 (EPYC 7402) vs 28 (Ryzen 9 PRO 7945) — the EPYC 7402 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,Rome (EPYC 7402) and AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 PRO 7945).
| Feature | EPYC 7402 | Ryzen 9 PRO 7945 |
|---|---|---|
| Socket | SP3 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | DDR5-5200+25% |
| Max RAM Capacity | 4096 GB+3100% | 128 GB |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Only the Ryzen 9 PRO 7945 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 9 PRO 7945 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V, SEV, IOMMU (EPYC 7402) vs true (Ryzen 9 PRO 7945). The Ryzen 9 PRO 7945 includes integrated graphics (Radeon Graphics), while the EPYC 7402 requires a dedicated GPU. Primary use case: EPYC 7402 targets Server / Workstation. Direct competitor: EPYC 7402 rivals Xeon Gold 6242; Ryzen 9 PRO 7945 rivals Core i9-13900.
| Feature | EPYC 7402 | Ryzen 9 PRO 7945 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon Graphics |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | AMD-V, SEV, IOMMU | true |
| Target Use | Server / Workstation | — |
Value Analysis
The EPYC 7402 launched at $1783 MSRP, while the Ryzen 9 PRO 7945 debuted at $409. At current prices ($2285 vs $450), the Ryzen 9 PRO 7945 is $1835 cheaper. In terms of value (PassMark points per dollar), the EPYC 7402 delivers 20.1 pts/$ vs 104.1 pts/$ for the Ryzen 9 PRO 7945 — making the Ryzen 9 PRO 7945 the 135.1% better value option.
| Feature | EPYC 7402 | Ryzen 9 PRO 7945 |
|---|---|---|
| MSRP | $1783 | $409-77% |
| Avg Price (30d) | $2285 | $450-80% |
| Performance per Dollar | 20.1 | 104.1+418% |
| Release Date | 2019 | 2023 |
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