AMD Ryzen 5 8645HS VS AMD Ryzen 5 8640U
We are comparing the AMD Ryzen 5 8645HS (AMD) with the AMD Ryzen 5 8640U (AMD). Scroll down to the pros and cons of each processor, in-depth specs, and benchmark comparisons.
Overall Comparison
KEY DIFFERENCES OF AMD Ryzen 5 8645HS AND AMD Ryzen 5 8640U
Here’s how AMD Ryzen 5 8645HS and AMD Ryzen 5 8640U stack up against each other in their most impactful areas.
Why AMD Ryzen 5 8645HS is the best choice:
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2% higher P-core turbo frequency (5000 MHz vs 4900 MHz)
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23% higher P-core base frequency (4300 MHz vs 3500 MHz)
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9% higher Geekbench V6 multi-core score (11216 vs 10308)
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6% higher Geekbench V6 single-core score (2668 vs 2519)
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3% higher PassMark single-core score (3572 vs 3453)
SPECIFICATION TABLE COMPARISON OF AMD Ryzen 5 8645HS AND AMD Ryzen 5 8640U
Below is the detailed specification table comparing AMD Ryzen 5 8645HS and AMD Ryzen 5 8640U.
Note: Highlighted specs mean that CPU wins that spec row.
If neither side is highlighted, it is a tie or there is not enough data for both specs.
| Specification | AMD Ryzen 5 8645HS | AMD Ryzen 5 8640U |
|---|---|---|
|
General Information
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| CPU Name: | AMD Ryzen 5 8645HS | AMD Ryzen 5 8640U |
| Vendor: | AMD | AMD |
| Release Date: | December 6, 2023 | December 6, 2023 |
| Type: | Laptop | Laptop |
| Instruction Set: | x86-64 | x86-64 |
| Codename: | Zen 4 (Hawk Point) | Zen 4 (Hawk Point) |
|
Package and Thermals
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| Manufacturing Process: | 4 nm | 4 nm |
| Transistor Count: | 25 billion | 25 billion |
| TDP (PL1): | 35-54 W | 15-30 W |
| Socket: | FP8 | FP8 |
| Max Temp (TJMax): | 100 C | 100 C |
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CPU Cores
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Total Cores
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| Total Cores | 6 | 6 |
| Total Threads | 12 | 12 |
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P-Cores
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| P-Cores | 6 | 6 |
| P-Threads | 12 | 12 |
| P-Core Base Frequency | 4300 MHz | 3500 MHz |
| P-Core Turbo Frequency | 5000 MHz | 4900 MHz |
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NPU
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| NPU |
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Cache and Bus
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| Multiplier | Locked | Locked |
| Bus Frequency | 100 MHz | 100 MHz |
| L1 Cache | 64 KB | 64 KB |
| L2 Cache | 1 MB | 1 MB |
| L3 Cache | 16 MB | 16 MB |
|
Memory Support
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| Memory Types: | DDR5-5600, LPDDR5x-7500 | DDR5-5600, LPDDR5x-7500 |
| Max Memory Size: | 256 GB | 256 GB |
| Memory Channels: | 2 | 2 |
| ECC Support: |
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| Technologies: | AVX-512, BMI1, BMI2, F16C, SHA, XDNA2, Precision Boost 2, SMT, AMD-V, EVP, NX-Bit, SMAP, SMEP | AVX-512, BMI1, BMI2, F16C, SHA, XDNA2, Precision Boost 2, SMT, AMD-V, EVP, NX-Bit, SMAP, SMEP |
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Benchmarks
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Geekbench V6
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| Multi-Core | 11216 | 10308 |
| Single-Core | 2668 | 2519 |
| File Compression | 1150 | 1080 |
| Clang Compression | 85 | 71 |
| HTML5 Browser | 211 | 227 |
| PDF Renderer | 283 | 261 |
| Text Processing | 283 | 260 |
| Background Blur | 59 | 48 |
| Photo Processing | 83 | 95 |
| Ray Tracing | 18 | 16 |
|
PassMark CPU
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| Multi-Core | 22121 | 19961 |
| Single-Core | 3572 | 3453 |
| Integer Math | 71100 | 66300 |
| Floating Point | 43900 | 39500 |
| Prime Numbers | 74 | 69 |
| String Sorting | 31300 | 27600 |
| Data Encryption | 15300 | 13700 |
| Data Compression | 259300 | 226400 |
| Physics | 1083 | 1015 |
| Extended Instructions | 19600 | 16300 |
|
Cinebench 2024
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| Multi-Core | 727 | 611 |
| Single-Core | 103 | 103 |
|
Blender
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| Render Score | 148 | — |
Tip: ▲ indicates a higher-is-better spec advantage, while ▼ indicates a lower-is-better advantage.
PERFORMANCE CHART COMPARISON OF AMD Ryzen 5 8645HS AND AMD Ryzen 5 8640U
The charts below visualize how AMD Ryzen 5 8645HS and AMD Ryzen 5 8640U stack up in key performance metrics.
Performance Radar Chart
Performance Benchmarks
Release Timeline of AMD Ryzen 5 8645HS and AMD Ryzen 5 8640U
AMD Ryzen 5 8645HS and AMD Ryzen 5 8640U were released on the same day.
Value For Money Calculator
Prices use available launch or current data. Enter your own prices to see which CPU gives better value.
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Domain Score Summary
Scores are generated by Comparigon's scoring algorithm and are intended as a high-level guide. They may not map 1-to-1 with the individual spec-by-spec comparisons shown in the table.
Our Verdict
In conclusion, the AMD Ryzen 5 8645HS has a narrow overall lead compared to the AMD Ryzen 5 8640U. Its strongest advantages are in Single-Core Performance, Multi-Core Performance, CPU Architecture and Energy Efficiency. They are still fairly close in Memory Architecture.
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Disclaimer: Specs, pricing, and benchmarks are sourced from official manufacturer data and verified test results. While we strive for precision, product details and pricing may change. Comparigon may earn an affiliate commission on qualifying purchases.