Ryzen 5 8640U vs Ryzen 5 7545U
Ryzen 5 8640U
Ryzen 5 7545U
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
Performance Per Dollar Ryzen 5 7545U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 8640U | Ryzen 5 7545U |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Hawk Point-U (Zen 4) (2023−2025) / 4 nm) | ✨ Modern (Phoenix (Zen4) (2023) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 5 8640U | Ryzen 5 7545U |
|---|---|---|
| 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 8640U and Ryzen 5 7545U
Ryzen 5 8640U
The Ryzen 5 8640U is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-U (Zen 4) (2023−2025) 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: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 20,274 points. Launch price was $299.
Ryzen 5 7545U
The Ryzen 5 7545U is manufactured by AMD. It was released in 2 November 2023 (2 years ago). It is based on the Phoenix (Zen4) (2023) architecture. It features 6 cores and 12 threads. Base frequency is 3.2 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: 20,185 points. Launch price was $299.
Processing Power
Both the Ryzen 5 8640U and Ryzen 5 7545U share an identical 6-core/12-thread configuration. Boost clocks reach 4.9 GHz on the Ryzen 5 8640U versus 4.9 GHz on the Ryzen 5 7545U — identical boost frequencies (base: 3.5 GHz vs 3.2 GHz). The Ryzen 5 8640U uses the Hawk Point-U (Zen 4) (2023−2025) architecture (4 nm), while the Ryzen 5 7545U uses Phoenix (Zen4) (2023) (4 nm). In PassMark, the Ryzen 5 8640U scores 20,274 against the Ryzen 5 7545U's 20,185 — a 0.4% lead for the Ryzen 5 8640U. Both processors carry 16 MB (total) of L3 cache.
| Feature | Ryzen 5 8640U | Ryzen 5 7545U |
|---|---|---|
| Cores / Threads | 6 / 12 | 6 / 12 |
| Boost Clock | 4.9 GHz | 4.9 GHz |
| Base Clock | 3.5 GHz+9% | 3.2 GHz |
| L3 Cache | 16 MB (total) | 16 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Hawk Point-U (Zen 4) (2023−2025) | Phoenix (Zen4) (2023) |
| PassMark | 20,274 | 20,185 |
| Cinebench R23 Multi | 10,675 | — |
| Geekbench 6 Single | 2,519 | — |
| Geekbench 6 Multi | 10,308 | — |
Memory & Platform
The Ryzen 5 8640U uses the FP8 socket (PCIe 4.0), while the Ryzen 5 7545U uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to LPDDR5x-7500 memory speed. The Ryzen 5 8640U supports up to 256 GB of RAM compared to 64 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes.
| Feature | Ryzen 5 8640U | Ryzen 5 7545U |
|---|---|---|
| Socket | FP8 | FP7 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | LPDDR5x-7500 | DDR5-5600 |
| Max RAM Capacity | 256 GB+300% | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 20 | 20 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V (SVM) (Ryzen 5 8640U) vs AMD-V (Ryzen 5 7545U). Both include integrated graphics — Radeon 760M (Ryzen 5 8640U) and Radeon 740M (Ryzen 5 7545U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 5 8640U targets Productivity, Ryzen 5 7545U targets Mobile. Direct competitor: Ryzen 5 8640U rivals Core i5-1335U.
| Feature | Ryzen 5 8640U | Ryzen 5 7545U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon 760M | Radeon 740M |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V (SVM) | AMD-V |
| Target Use | Productivity | Mobile |
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