AMD Ryzen 7 8840U VS AMD Ryzen 5 8640U
We are comparing the AMD Ryzen 7 8840U (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 7 8840U AND AMD Ryzen 5 8640U
Here’s how AMD Ryzen 7 8840U and AMD Ryzen 5 8640U stack up against each other in their most impactful areas.
Reasons to consider the AMD Ryzen 7 8840U
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33% more CPU threads (16 vs 12)
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33% more CPU cores (8 vs 6)
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4% higher P-core turbo frequency (5100 MHz vs 4900 MHz)
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33% more performance-core threads (16 vs 12)
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33% more performance cores (8 vs 6)
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11% higher Geekbench V6 multi-core score (11459 vs 10308)
Reasons to consider the AMD Ryzen 5 8640U
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6% higher P-core base frequency (3500 MHz vs 3300 MHz)
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6% higher Geekbench V6 single-core score (2519 vs 2382)
SPECIFICATION TABLE COMPARISON OF AMD Ryzen 7 8840U AND AMD Ryzen 5 8640U
Below is the detailed specification table comparing AMD Ryzen 7 8840U 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 7 8840U | AMD Ryzen 5 8640U |
|---|---|---|
|
General Information
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| CPU Name: | AMD Ryzen 7 8840U | 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): | 15-30 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 | 8 | 6 |
| Total Threads | 16 | 12 |
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P-Cores
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| P-Cores | 8 | 6 |
| P-Threads | 16 | 12 |
| P-Core Base Frequency | 3300 MHz | 3500 MHz |
| P-Core Turbo Frequency | 5100 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 | 11459 | 10308 |
| Single-Core | 2382 | 2519 |
| File Compression | 984 | 1080 |
| Clang Compression | 88 | 71 |
| HTML5 Browser | 235 | 227 |
| PDF Renderer | 346 | 261 |
| Text Processing | 248 | 260 |
| Background Blur | 48 | 48 |
| Photo Processing | 103 | 95 |
| Ray Tracing | 20 | 16 |
|
PassMark CPU
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| Multi-Core | 23354 | 19961 |
| Single-Core | 3541 | 3453 |
| Integer Math | 85600 | 66300 |
| Floating Point | 48800 | 39500 |
| Prime Numbers | 78 | 69 |
| String Sorting | 32200 | 27600 |
| Data Encryption | 16200 | 13700 |
| Data Compression | 266800 | 226400 |
| Physics | 1178 | 1015 |
| Extended Instructions | 18700 | 16300 |
|
Cinebench 2024
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| Multi-Core | 725 | 611 |
| Single-Core | 98 | 103 |
|
Blender
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| Render Score | 155 | — |
Tip: ▲ indicates a higher-is-better spec advantage, while ▼ indicates a lower-is-better advantage.
PERFORMANCE CHART COMPARISON OF AMD Ryzen 7 8840U AND AMD Ryzen 5 8640U
The charts below visualize how AMD Ryzen 7 8840U and AMD Ryzen 5 8640U stack up in key performance metrics.
Performance Radar Chart
Performance Benchmarks
Release Timeline of AMD Ryzen 7 8840U and AMD Ryzen 5 8640U
AMD Ryzen 7 8840U 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 7 8840U 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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