GuidesComparisonsRyzen 7 7840U Vs Ryzen 5 7640U: We Tested Both

Ryzen 7 7840U Vs Ryzen 5 7640U: We Tested Both

In this guide we will be diving into the specification and the performance benchmarks of the Ryzen 7 7840U and Ryzen 5 7640U in order to crown a winner.

Expert Verified By

AMD Ryzen 5 7640U

Rated: 7.5/10

AMD Ryzen 7 7840U

Rated: 8.5/10


Pros And Cons

CPUProsCons
Ryzen 7 7840Uโœ… More Cores & Threads
โœ… Higher Turbo Clock
โŒ Lower L3 Cache
โŒ Higher Price
Ryzen 5 7640Uโœ… Higher Clock Multiplier
โœ… ECC Memory Support
โŒLesser Threads
โŒLower Core Count

Key Takeaways
  • Both Ryzen 5 7640U and Ryzen 7 7840U boast cutting-edge 4nm fabrication, promising optimized performance and efficiency in the benchmarks that we tested.
  • We also noticed the Ryzen 7 7840U edging ahead slightly, offering a 3.3 GHz base clock and an impressive 5.1 GHz boost clock, ensuring a seamless computing experience.
  • Both processors support up to 256GB of DDR5-5600 and LPDDR5x-7500 memory, catering to data-intensive applications and memory-hungry tasks.
  • Leveraging technological advancements, the Ryzen 7 7840U showcases better performance than the Ryzen 5 7640U, achieving higher scores in both single and multi-core benchmarks by 3.1% and 16% on average, respectively.
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  • 500+ components tested and compared by our team of comparison experts (Tech4Gamers Team).
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Comparison Table

Key SpecificationsRyzen 5 7640URyzen 7 7840U
Integrated GPURadeon 760MRadeon 780M
Performance Cores68
Performance Threads1216
Base Clock3.5 GHz3.3 GHz
Boost Clock4.9 GHz5.1 GHz
Total Cores68
Total Threads1216
GPU Base Clock1500 MHz1500 MHz
GPU Boost Clock2600 MHz2700 MHz
Cuda Cores384768
Execution Units612

Architectural Differences

As we delve into the architectural differences between the AMD Ryzen 7 7840U and Ryzen 5 7640U, we uncover the unique engineering choices and optimizations that shape their performances. These distinctions lay the foundation for a comprehensive comparison, allowing us to understand better how each processor excels in specific computing tasks.

  1. Process Node: Utilizing cutting-edge technology, the Ryzen 5 7640U and Ryzen 7 7840U are both built on a 4nm fabrication process, reflecting their dedication to innovation and performance excellence.
  2. Clock Speed: In terms of speed, the Ryzen 5 7640U and Ryzen 7 7840U showcase similar capabilities with a base clock of 3.5 GHz and boost clock of 4.9 GHz, and a base clock of 3.3 GHz and boost clock of 5.1 GHz, respectively, offering competitive performance.
  3. Memory Support Variation: Furthermore, both the Ryzen 5 7640U and Ryzen 7 7840U support up to 256GB of DDR5-5600 and LPDDR5x-7500 memory, ensuring efficient data access and ample storage for demanding tasks.
  4. TDP: Demonstrating efficiency, the Ryzen 5 7640U and Ryzen 7 7840U share a 15-30W (configurable) TDP, providing a balance between performance and power consumption for various computing needs.
  5. Supported Technologies: With a focus on enhancing capabilities, both the Ryzen 5 7640U and Ryzen 7 7840U support ECC Memory, allowing for advanced error correction for critical computing tasks.

Welcome to our comprehensive comparison between two powerhouses of the AMD Ryzen series: the AMD Ryzen 7 7840U vs Ryzen 5 7640U. In this article, we will delve into the intricate details of their specifications and performance benchmarks, helping you make an informed decision on which processor best suits your computing needs.


Performance Benchmarks

After exploring the architectural differences between the AMD Ryzen 7 7840U and Ryzen 5 7640U, it’s time to witness their true capabilities in action through rigorous performance benchmarks. These benchmarks will provide valuable insights into how these processors fare in real-world scenarios, showcasing their prowess in handling various tasks and applications.

Cinebench R23 (Single-Core)

Cinebench R23 (Single-Core)
Cinebench R23 (Single-Core) Performance Benchmarks โ€“ Image Credits (Tech4Gamers)
  • Beginning on a high note, we noticed that the Ryzen 7 7840U demonstrates a slight 3% lead with a score of 1830, whereas the Ryzen 5 7640U scores 1781, indicating the former’s marginal superiority in single-core tasks.

Cinebench R23 (Multi-Core)

Cinebench R23 (Multi-Core)
Cinebench R23 (Multi-Core) Performance Benchmarks โ€“ Image Credits (Tech4Gamers)
  • In multi-core performance, the Ryzen 7 7840U takes a significant 18% lead with a score of 14936, outperforming the Ryzen 5 7640U’s score of 12648, showcasing its superior multitasking capabilities.

Geekbench 5 (Single-Core)

Geekbench 5 (Single-Core)
Geekbench 5 (Single-Core) Performance Benchmarks โ€“ Image Credits (Tech4Gamers)
  • In terms of single-core tasks, we found that the Ryzen 7 7840U showcases a 4% lead with a score of 1937, while the Ryzen 5 7640U scores 1869, indicating its slightly better single-core processing performance.

Geekbench 5 (Multi-Core)

Geekbench 5 (Multi-Core)
Geekbench 5 (Multi-Core) Performance Benchmarks โ€“ Image Credits (Tech4Gamers)
  • In multitasking scenarios, the Ryzen 7 7840U maintains a 16% advantage with a score of 10391, while the Ryzen 5 7640U scores 8921, reinforcing its stronger performance in handling parallel tasks.

Which Chip Should You Get For Your Computing Needs?

AMD Ryzen 5 7640U: With similar clock speeds, the Ryzen 5 7640U boasts a swift base clock of 3.5 GHz and 3.3 GHz, with impressive boost clocks of 4.9 GHz and 5.1 GHz, ensuring seamless computing. However, our benchmarks showed that its performance falls short compared to the Ryzen 7 7840U.

AMD Ryzen 7 7840U: Finally, in my evaluation, despite some similarities and differences in technological advancement, I found that the Ryzen 7 7840U delivers better performance than the Ryzen 5 7640U, surpassing it in both single and multi-core scores.

We recommend users buy the AMD Ryzen 7 7840U as it dominates the competitor by a significant margin in single-core and multicore performance with the added luxury of the ECC memory support feature.


FAQs

What is the primary difference between the Ryzen 5 7640U and Ryzen 7 7840U?

The main difference lies in their performance and capabilities. The Ryzen 7 7840U offers better overall performance compared to the Ryzen 5 7640U, especially in single and multi-core tasks.

Is there a significant difference in power efficiency between the Ryzen 5 7640U and the Ryzen 7 7840U?

Both processors have a similar TDP range of 15-30W, ensuring power efficiency. However, Ryzen 7 7840U’s advanced architecture may offer slightly better power optimization in certain scenarios.

Which processor is more suitable for multitasking and memory-intensive tasks?

Both processors are equipped to handle multitasking and memory-intensive tasks with support for up to 256GB of DDR5-5600 and LPDDR5x-7500 memory.


More From Ryzen 7 7840U:

More From Ryzen 5 7640U:

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