After testing and comparing multiple processors from both AMD and Intel, this time, we will be diving into the internal domain of the Ryzen 7 series in order to test out the performance of two of these processors when pitted against each other. In this article, we will be looking into the specifications, benchmarks, and architectural differences of the Ryzen 7 7840U vs Ryzen 7 6800U. Let’s get started!
Key Takeaways
- Firstly, the Ryzen 7 7840U excels in both single-core and multi-core performance benchmarks by 21.5% and 32.7% on average, respectively, making it a top choice for swift and efficient processing across various tasks.
- Moreover, with support for up to 256GB of DDR5-5600 and LPDDR5x-7500 memory, Ryzen 7 7840U offers faster data access for memory-intensive computing needs.
- Users prioritizing power efficiency may prefer Ryzen 7 6800U, as it features a lower configurable TDP of 15-28W compared to Ryzen 7 7840U’s 15-30W, resulting in a cooler and more energy-efficient operation.
- For critical computing tasks requiring enhanced error correction, Ryzen 7 7840U’s support for ECC memory provides an advantage not available in Ryzen 7 6800U.
Comparison Table
Key Specifications | Ryzen 7 6800U | Ryzen 7 7840U |
---|---|---|
Vendor | AMD | AMD |
Release Date | January 4, 2022 | May 3, 2023 |
Device Type | Laptop | Laptop |
Instruction Set | x86-64 | x86-64 |
Integrated GPU | Radeon 680M | Radeon 780M |
Performance Cores | 8 | 8 |
Performance Threads | 16 | 16 |
Base Clock | 2.7 GHz | 3.3 GHz |
Boost Clock | 4.7 GHz | 5.1 GHz |
Total Cores | 8 | 8 |
Total Threads | 16 | 16 |
L1 Cache | 64K (per core) | 64K (per core) |
L2 Cache | 512K (per core) | 1MB (per core) |
Transistors | – | 25 billion |
Fabrication Process | 6nm | 4 nm |
TDP (PL1) | 15-28 W (configurable) | 15-30 W (configurable) |
Socket | FP7 | FP8 |
GPU Base Clock | 2000 MHz | 1500 MHz |
GPU Boost Clock | 2200 MHz | 2700 MHz |
Cuda Cores | 768 | 768 |
Execution Units | 12 | 12 |
Memory Support | – DDR5-4800 – LPDDR5-6400 |
– DDR5-5600 – LPDDR5x-7500 |
ECC Support | No | Yes |
Memory Size | 64 GB | 256GB |
Architectural Differences
By studying the architectural differences between the Ryzen 7 7840U and Ryzen 7 6800U, we can have a better understanding of how these unique specifications come into play when it comes to the performance of these chips. These differences can include the fabrication process to clock speeds and memory support. So, let’s check them out one by one.
- Process Node: While the Ryzen 7 6800U adopts an advanced 6nm process node, the Ryzen 7 7840U boasts a cutting-edge 4nm fabrication process, signifying their commitment to technological advancements.
- Clock Speed: With a Base Clock of 2.7 GHz and Boost Clock of 4.7 GHz, the Ryzen 7 6800U provides a balance of performance and efficiency, while the Ryzen 7 7840U impresses with a Base Clock of 3.3 GHz and a Boost Clock of 5.1 GHz, catering to power-hungry tasks.
- Memory Support Variation: Furthermore, with support for 64 GB of DDR5-4800 and LPDDR5-6400 memory, the Ryzen 7 6800U accommodates data-intensive tasks, while the Ryzen 7 7840U takes it up a notch with the ability to handle up to 256GB of DDR5-5600 and LPDDR5x-7500 memory, catering to more demanding computing needs.
- TDP: While the Ryzen 7 6800U operates within a configurable TDP range of 15-28W, the Ryzen 7 7840U demands a slightly broader range of 15-30W, offering users flexibility in balancing power efficiency and performance output.
- Supported Technologies: With ECC memory support, the Ryzen 7 7840U enables enhanced error correction for critical computing tasks, setting it apart from the Ryzen 7 6800U in data integrity and reliability.
Performance Benchmarks
The performance benchmarks provide crucial insights into the capabilities of the Ryzen 7 6800U and Ryzen 7 7840U when it comes to stress testing. By delving into the single-core and multi-core scores from benchmark software, we can understand their processing power, efficiency, and suitability for different workloads.
Cinebench R23 (Single-Core)

- The Ryzen 7 7840U demonstrates a significant 22% advantage over the Ryzen 7 6800U, achieving an impressive single-core score of 1805 compared to 1483, highlighting its prowess in handling individual tasks efficiently.
Cinebench R23 (Multi-Core)

- With a notable 41% lead, the Ryzen 7 7840U outperforms the Ryzen 7 6800U in multi-core performance, attaining a score of 14706 in comparison to 10423, showcasing its superior ability in handling resource-intensive workloads.
Geekbench 5 (Single-Core)

- In the single-core benchmarks, the Ryzen 7 7840U stands out with a remarkable 27% lead over the Ryzen 7 6800U, achieving a score of 1918 compared to 1515, emphasizing its strength in processing individual tasks swiftly.
Geekbench 5 (Multi-Core)

- The Ryzen 7 7840U continues to impress with a significant 36% lead over the Ryzen 7 6800U in multi-core performance, delivering a score of 10335 in comparison to 7574, highlighting its capability for handling demanding multi-threaded applications.
Ryzen 7 6800U Vs Ryzen 7 7840U: Which Chip Should You Go For?
- Starting off, the Ryzen 7 7840U showcases a clear advantage in both single-core and multi-core performance benchmarks, making it an ideal choice for users seeking swift and efficient processing in various tasks and applications.
- With its superior memory support of up to 256GB of DDR5-5600 and LPDDR5x-7500, the Ryzen 7 7840U offers ample bandwidth and faster data access for memory-intensive computing needs, setting it apart from the Ryzen 7 6800U.
- Users who prioritize power efficiency will find the Ryzen 7 7840U less appealing, as it comes with a higher configurable TDP of 15-30W compared to the Ryzen 7 6800U’s 15-28W configurable TDP, enabling a less cooler and less energy-efficient operation.
- While both processors boast exceptional capabilities, the Ryzen 7 7840U’s added support for ECC memory makes it an attractive option for users dealing with critical computing tasks that demand enhanced error correction capabilities, a feature not available in the Ryzen 7 6800U.
FAQs
The Ryzen 7 7840U takes the lead in both the single-core and multi-core performance benchmarks, showcasing superior processing power for individual tasks.
The Ryzen 7 7840U supports up to 256GB of DDR5-5600 and LPDDR5x-7500 memory, while Ryzen 7 6800U provides support for 64GB of DDR5-4800 and LPDDR5-6400 memory.
The Ryzen 7 6800U is more power-efficient with a lower configurable TDP of 15-28W compared to Ryzen 7 7840U’s 15-30W TDP, ensuring cooler and energy-saving performance.
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[Comparisons Expert]
Shehryar Khan, a seasoned PC hardware expert, brings over three years of extensive experience and a deep passion for the world of technology. With a love for building PCs and a genuine enthusiasm for exploring the latest advancements in components, his expertise shines through his work and dedication towards this field. Currently, Shehryar is rocking a custom loop setup for his built.
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