EPYC 7452 vs Ryzen 9 PRO 7945
EPYC 7452
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 7452
Performance Per Dollar Ryzen 9 PRO 7945
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7452 | Ryzen 9 PRO 7945 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,025) | ✅ More affordable ($450) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) | ✨ Modern (Raphael (2023−2025) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 7452 | Ryzen 9 PRO 7945 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+360%) |
| Upfront Cost | ⚠️ Higher cost ($2,025) | ✅ 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 7452 and Ryzen 9 PRO 7945
EPYC 7452
The EPYC 7452 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 32 cores and 64 threads. Base frequency is 2.2 GHz, with boost up to 3.35 GHz. L3 cache: 128 MB (total). L2 cache: 512K (per core). Built on 7 nm, 14 nm process technology. Socket: TR4. Thermal design power (TDP): 155 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 45,764 points. Launch price was $2,025.
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 7452 packs 32 cores / 64 threads, while the Ryzen 9 PRO 7945 offers 12 cores / 24 threads — the EPYC 7452 has 20 more cores. Boost clocks reach 3.35 GHz on the EPYC 7452 versus 5.4 GHz on the Ryzen 9 PRO 7945 — a 46.9% clock advantage for the Ryzen 9 PRO 7945 (base: 2.2 GHz vs 3.7 GHz). The EPYC 7452 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 7452 scores 45,764 against the Ryzen 9 PRO 7945's 46,828 — a 2.3% lead for the Ryzen 9 PRO 7945. L3 cache: 128 MB (total) on the EPYC 7452 vs 64 MB (total) on the Ryzen 9 PRO 7945.
| Feature | EPYC 7452 | Ryzen 9 PRO 7945 |
|---|---|---|
| Cores / Threads | 32 / 64+167% | 12 / 24 |
| Boost Clock | 3.35 GHz | 5.4 GHz+61% |
| Base Clock | 2.2 GHz | 3.7 GHz+68% |
| L3 Cache | 128 MB (total)+100% | 64 MB (total) |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 14 nm | 5 nm-29% |
| Architecture | Zen 2 (2017−2020) | Raphael (2023−2025) |
| PassMark | 45,764 | 46,828+2% |
| Cinebench R23 Multi | — | 28,905 |
| Geekbench 6 Single | — | 2,206 |
| Geekbench 6 Multi | — | 16,832 |
Memory & Platform
The EPYC 7452 uses the TR4 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 3200 on the EPYC 7452 versus DDR5-5200 on the Ryzen 9 PRO 7945 — the EPYC 7452 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7452 supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 7452) vs 2 (Ryzen 9 PRO 7945). PCIe lanes: 128 (EPYC 7452) vs 28 (Ryzen 9 PRO 7945) — the EPYC 7452 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7452) and AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 PRO 7945).
| Feature | EPYC 7452 | Ryzen 9 PRO 7945 |
|---|---|---|
| Socket | TR4 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+63900% | DDR5-5200 |
| Max RAM Capacity | 4096 | 128 GB+3276700% |
| 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. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (EPYC 7452) vs true (Ryzen 9 PRO 7945). The Ryzen 9 PRO 7945 includes integrated graphics (Radeon Graphics), while the EPYC 7452 requires a dedicated GPU. Direct competitor: EPYC 7452 rivals Xeon Gold 6248R; Ryzen 9 PRO 7945 rivals Core i9-13900.
| Feature | EPYC 7452 | Ryzen 9 PRO 7945 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon Graphics |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | true |
Value Analysis
The EPYC 7452 launched at $2025 MSRP, while the Ryzen 9 PRO 7945 debuted at $409. At current prices ($2025 vs $450), the Ryzen 9 PRO 7945 is $1575 cheaper. In terms of value (PassMark points per dollar), the EPYC 7452 delivers 22.6 pts/$ vs 104.1 pts/$ for the Ryzen 9 PRO 7945 — making the Ryzen 9 PRO 7945 the 128.6% better value option.
| Feature | EPYC 7452 | Ryzen 9 PRO 7945 |
|---|---|---|
| MSRP | $2025 | $409-80% |
| Avg Price (30d) | $2025 | $450-78% |
| Performance per Dollar | 22.6 | 104.1+361% |
| Release Date | 2019 | 2023 |
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