Ryzen 7 7800X3D vs Ryzen 5 PRO 7645
Ryzen 7 7800X3D
Ryzen 5 PRO 7645
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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 7 7800X3D
Performance Per Dollar Ryzen 5 PRO 7645
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 7800X3D | Ryzen 5 PRO 7645 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($384) | ✅ More affordable ($192) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) | ✨ Modern (Raphael (2023−2025) / 5 nm) |
💎 Value Proposition
| Insight | Ryzen 7 7800X3D | Ryzen 5 PRO 7645 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+61%) |
| Upfront Cost | ⚠️ Higher cost ($384) | ✅ More affordable ($192) |
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 7 7800X3D and Ryzen 5 PRO 7645
Ryzen 7 7800X3D
The Ryzen 7 7800X3D 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 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
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.
Processing Power
The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Ryzen 5 PRO 7645 offers 6 cores / 12 threads — the Ryzen 7 7800X3D has 2 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 5.1 GHz on the Ryzen 5 PRO 7645 — a 2% clock advantage for the Ryzen 5 PRO 7645 (base: 4.4 GHz vs 3.8 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Ryzen 5 PRO 7645 uses Raphael (2023−2025) (5 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Ryzen 5 PRO 7645's 27,565 — a 21.8% lead for the Ryzen 7 7800X3D. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 32 MB (total) on the Ryzen 5 PRO 7645.
| Feature | Ryzen 7 7800X3D | Ryzen 5 PRO 7645 |
|---|---|---|
| Cores / Threads | 8 / 16+33% | 6 / 12 |
| Boost Clock | 5 GHz | 5.1 GHz+2% |
| Base Clock | 4.4 GHz+16% | 3.8 GHz |
| L3 Cache | 96 MB (total)+200% | 32 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 5 nm |
| Architecture | Raphael (Zen4) (2022−2023) | Raphael (2023−2025) |
| PassMark | 34,293+24% | 27,565 |
| Cinebench R23 Multi | 18,500 | — |
| Geekbench 6 Single | 2,700 | — |
| Geekbench 6 Multi | 15,000 | — |
Memory & Platform
Both processors use the AM5 socket with PCIe 5.0.
| Feature | Ryzen 7 7800X3D | Ryzen 5 PRO 7645 |
|---|---|---|
| Socket | AM5 | AM5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 28 | — |
Advanced Features
Virtualization: AMD-V (Ryzen 7 7800X3D) / not specified (Ryzen 5 PRO 7645). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Ryzen 5 PRO 7645 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Ryzen 7 7800X3D | Ryzen 5 PRO 7645 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | AMD Radeon Graphics (2-core) | — |
| Unlocked | Yes | — |
| AVX-512 | Yes | — |
| Virtualization | AMD-V | — |
| Target Use | Gaming | — |
Value Analysis
The Ryzen 7 7800X3D launched at $449 MSRP, while the Ryzen 5 PRO 7645 debuted at $229. At current prices ($384 vs $192), the Ryzen 5 PRO 7645 is $192 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 7800X3D delivers 89.3 pts/$ vs 143.6 pts/$ for the Ryzen 5 PRO 7645 — making the Ryzen 5 PRO 7645 the 46.6% better value option.
| Feature | Ryzen 7 7800X3D | Ryzen 5 PRO 7645 |
|---|---|---|
| MSRP | $449 | $229-49% |
| Avg Price (30d) | $384 | $192-50% |
| Performance per Dollar | 89.3 | 143.6+61% |
| Release Date | 2023 | 2023 |
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