Ryzen 5 PRO 7645 vs Ryzen 7 5800X
Ryzen 5 PRO 7645
Popular choices:
Ryzen 7 5800X
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 5 PRO 7645
Performance Per Dollar Ryzen 7 5800X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 PRO 7645 | Ryzen 7 5800X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($192) | ✅ More affordable ($180) |
| Longevity | ✨ Modern (Raphael (2023−2025) / 5 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Ryzen 5 PRO 7645 | Ryzen 7 5800X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+7%) |
| Upfront Cost | ⚠️ Higher cost ($192) | ✅ More affordable ($180) |
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 5 PRO 7645 and Ryzen 7 5800X
Ryzen 5 PRO 7645
The Ryzen 5 PRO 7645 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 6 cores and 12 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 32 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: 27,565 points. Launch price was $299.
Ryzen 7 5800X
The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.
Processing Power
The Ryzen 5 PRO 7645 packs 6 cores / 12 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 2 more cores. Boost clocks reach 5.1 GHz on the Ryzen 5 PRO 7645 versus 4.7 GHz on the Ryzen 7 5800X — a 8.2% clock advantage for the Ryzen 5 PRO 7645 (base: 3.8 GHz vs 3.8 GHz). The Ryzen 5 PRO 7645 uses the Raphael (2023−2025) architecture (5 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Ryzen 5 PRO 7645 scores 27,565 against the Ryzen 7 5800X's 27,712 — a 0.5% lead for the Ryzen 7 5800X. L3 cache: 32 MB (total) on the Ryzen 5 PRO 7645 vs 32 MB on the Ryzen 7 5800X.
| Feature | Ryzen 5 PRO 7645 | Ryzen 7 5800X |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 5.1 GHz+9% | 4.7 GHz |
| Base Clock | 3.8 GHz | 3.8 GHz |
| L3 Cache | 32 MB (total) | 32 MB |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 5 nm-29% | 7 nm, 12 nm |
| Architecture | Raphael (2023−2025) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 27,565 | 27,712 |
Memory & Platform
The Ryzen 5 PRO 7645 uses the AM5 socket (PCIe 4.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 5 PRO 7645 | Ryzen 7 5800X |
|---|---|---|
| Socket | AM5 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | — | DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 24 |
Advanced Features
Virtualization: not specified (Ryzen 5 PRO 7645) / AMD-V (Ryzen 7 5800X). Primary use case: Ryzen 7 5800X targets Desktop.
| Feature | Ryzen 5 PRO 7645 | Ryzen 7 5800X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Desktop |
Value Analysis
The Ryzen 5 PRO 7645 launched at $229 MSRP, while the Ryzen 7 5800X debuted at $449. At current prices ($192 vs $180), the Ryzen 7 5800X is $12 cheaper. In terms of value (PassMark points per dollar), the Ryzen 5 PRO 7645 delivers 143.6 pts/$ vs 154.0 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 7% better value option.
| Feature | Ryzen 5 PRO 7645 | Ryzen 7 5800X |
|---|---|---|
| MSRP | $229-49% | $449 |
| Avg Price (30d) | $192 | $180-6% |
| Performance per Dollar | 143.6 | 154.0+7% |
| Release Date | 2023 | 2020 |
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