
Ryzen 5 PRO 8640U vs Ryzen 9 5900HX

Ryzen 5 PRO 8640U

Ryzen 9 5900HX
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 8640U
Performance Per Dollar Ryzen 9 5900HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 PRO 8640U | Ryzen 9 5900HX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Hawk Point (2024−2025) / 4 nm) | ✨ Modern (Cezanne-H (Zen 3) (2021) / 7 nm) |
💎 Value Proposition
| Insight | Ryzen 5 PRO 8640U | Ryzen 9 5900HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 8640U and Ryzen 9 5900HX

Ryzen 5 PRO 8640U
The Ryzen 5 PRO 8640U is manufactured by AMD. It was released in 16 April 2024 (1 year ago). It is based on the Hawk Point (2024−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 22,373 points. Launch price was $299.

Ryzen 9 5900HX
The Ryzen 9 5900HX is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Cezanne-H (Zen 3) (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 22,198 points. Launch price was $299.
Processing Power
The Ryzen 5 PRO 8640U packs 6 cores / 12 threads, while the Ryzen 9 5900HX offers 8 cores / 16 threads — the Ryzen 9 5900HX has 2 more cores. Boost clocks reach 4.9 GHz on the Ryzen 5 PRO 8640U versus 4.6 GHz on the Ryzen 9 5900HX — a 6.3% clock advantage for the Ryzen 5 PRO 8640U (base: 3.5 GHz vs 3.3 GHz). The Ryzen 5 PRO 8640U uses the Hawk Point (2024−2025) architecture (4 nm), while the Ryzen 9 5900HX uses Cezanne-H (Zen 3) (2021) (7 nm). In PassMark, the Ryzen 5 PRO 8640U scores 22,373 against the Ryzen 9 5900HX's 22,198 — a 0.8% lead for the Ryzen 5 PRO 8640U. Both processors carry 16 MB (total) of L3 cache.
| Feature | Ryzen 5 PRO 8640U | Ryzen 9 5900HX |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 4.9 GHz+7% | 4.6 GHz |
| Base Clock | 3.5 GHz+6% | 3.3 GHz |
| L3 Cache | 16 MB (total) | 16 MB (total) |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 4 nm-43% | 7 nm |
| Architecture | Hawk Point (2024−2025) | Cezanne-H (Zen 3) (2021) |
| PassMark | 22,373 | 22,198 |
| Cinebench R23 Multi | — | 13,955 |
| Geekbench 6 Single | — | 1,845 |
| Geekbench 6 Multi | — | 7,587 |
Memory & Platform
The Ryzen 5 PRO 8640U uses the FP7 socket (PCIe 4.0), while the Ryzen 9 5900HX uses FP6 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 5 PRO 8640U | Ryzen 9 5900HX |
|---|---|---|
| Socket | FP7 | FP6 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | — | DDR4-3200, LPDDR4-4266 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Ryzen 5 PRO 8640U) / AMD-V (Ryzen 9 5900HX). The Ryzen 9 5900HX includes integrated graphics (Radeon RX Vega 8), while the Ryzen 5 PRO 8640U requires a dedicated GPU. Primary use case: Ryzen 9 5900HX targets Gaming Laptop / Mobile Workstation. Direct competitor: Ryzen 9 5900HX rivals Core i9-11980HK.
| Feature | Ryzen 5 PRO 8640U | Ryzen 9 5900HX |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon RX Vega 8 |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Gaming Laptop / Mobile Workstation |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















