AMD Ryzen 9 7940HS
Rated: 9/10
AMD Ryzen 7 7840U
Rated: 8/10
Pros And Cons
| CPU | Pros | Cons |
| Ryzen 7 7840U | ✅ Better Power Efficiency ✅ Lower TDP Consumption | ❌ ECC Support Unavailable ❌ Lower Clock Multiplier |
| Ryzen 9 7940HS | ✅ Faster CPU Speed ✅ ECC Memory Support | ❌ Higher Power Consumption ❌ Higher TDP |
- In our testing, we found that the Ryzen 9 7940HS leads with an impressive advantage in multi-core benchmarks by 17.2%, making it the choice for resource-heavy multitasking scenarios.
- Moreover, the Ryzen 9 7940HS outperforms the Ryzen 7 7840U in single-core benchmarks by 2.7% on average as well, offering faster processing for individual tasks and applications.
- Furthermore, the Ryzen 7 7840U excels with a lower TDP of 15-30W, while the Ryzen 9 7940HS demands a configurable 35-54W TDP, allowing users to optimize for power efficiency or performance.
- In addition, both chips support ECC Memory and up to 256GB of DDR5-5600 and LPDDR5x-7500 memory, ensuring smooth data access and handling memory-intensive computing tasks.
Comparison Table
| Key Specifications | Ryzen 9 7940HS | Ryzen 7 7840U |
| Performance Cores | 8 | 8 |
| Performance Threads | 16 | 16 |
| Total Cores | 8 | 8 |
| Total Threads | 16 | 16 |
| GPU Base Clock | 1500 MHz | 1500 MHz |
| GPU Boost Clock | 3000 MHz | 2700 MHz |
| Cuda Cores | 768 | 768 |
Architectural Differences
The Ryzen 9 7940HS Vs Ryzen 7 7840U provide distinct specifications when it comes to their architectural foundations. These disparities although small can play a significant role when it comes to their overall computing prowess. So let’s take a look at each of these major specifications one by one:
- Process Node: Pushing the boundaries of innovation, both the Ryzen 9 7940HS and Ryzen 7 7840U harness the cutting-edge 4nm fabrication process, delivering exceptional performance efficiency.
- Clock Speed: Embracing speed supremacy, the Ryzen 9 7940HS takes the lead with an impressive Base Clock of 4.0 GHz and Boost Clock of 5.2 GHz, while the Ryzen 7 7840U showcases competitive specs with a Base Clock of 3.3 GHz and Boost Clock of 5.1 GHz.
- Memory Support Variation: Elevating memory capabilities, both the Ryzen 9 7940HS and Ryzen 7 7840U support up to 256GB of DDR5-5600 and LPDDR5x-7500 memory, unleashing higher bandwidth and faster data access.
- TDP: Striking a balance between thermal performance and power efficiency, the Ryzen 7 7840U shines with a configurable TDP of 15-30W, while the Ryzen 9 7940HS demands a broader range of 35-54W (configurable) to accommodate its higher performance potential.
- Supported Technologies: Equipped to meet diverse computing needs, the Ryzen 9 7940HS and Ryzen 7 7840U come with ECC Memory support, enhancing the ability of error corrections while carrying out critical computing tasks.
Welcome to our detailed analysis of two of AMD’s most powerful processors – the Ryzen 9 7940HS Vs Ryzen 7 7840U. This article compares the two based on their specifications and performance benchmarks. Our goal is to provide you with insightful information that will help you understand the key differences between these two contenders.
Performance Benchmarks
Now that we have dealt with the architectural disparities, we will now run the Ryzen 9 7940HS and Ryzen 7 7840U through multiple stress tests. These benchmarks act as a window into their capabilities, providing valuable insights into how these CPUs handle various tasks and applications, allowing us to discern which one excels in specific computing domains.
Cinebench R23 (Single-Core)
- In our assessment, we’ve noted that the Ryzen 9 7940HS demonstrates a marginal lead over the Ryzen 7 7840U in single-core performance, with a score of 1839 compared to 1830. This suggests its adeptness in efficiently managing individual tasks.
Cinebench R23 (Multi-Core)
- When it comes to multi-core performance, the Ryzen 9 7940HS shows a significant lead, scoring 17509, which is 17% higher than the Ryzen 7 7840U’s score of 14936, highlighting its prowess in multitasking scenarios.
Geekbench 5 (Single-Core)
- In our single-core benchmarks, the Ryzen 9 7940HS achieves a score of 2033, a 5% improvement over the Ryzen 7 7840U’s score of 1937, showcasing its ability to excel in single-threaded tasks.
Geekbench 5 (Multi-Core)
- We were impressed by the Ryzen 9 7940HS’s performance in multi-core tasks, maintaining a lead with a score of 12602. It shows a 21% advantage over the Ryzen 7 7840U’s score of 10391, making it a strong contender for handling parallel workloads.
Which Chip Suits Your Needs Best?
AMD Ryzen 9 7940HS: During our testing, the AMD 9 7940HS demonstrated a significant lead in multi-core performance benchmarks over the Ryzen 7 7840U, making it perfect for handling resource-intensive multitasking scenarios. Additionally, it also outperforms the Ryzen 7 7840U in single-core benchmarks.
AMD Ryzen 7 7840U: While both processors support ECC Memory, we noticed that the Ryzen 9 7940HS requires a configurable TDP of 35-54W, whereas the Ryzen 7 7840U excels with a lower TDP of 15-30W. This allows us to prioritize power efficiency based on our specific requirements.
We recommend that the users buy the Ryzen 9 7940HS as it dominates the competition easily with distinctive performance in the single-core as well as multicore benchmarks.
FAQs
The Ryzen 9 7940HS exhibits superior performance in both single-core and multi-core benchmarks, making it more adept at handling demanding tasks and multitasking scenarios.
The Ryzen 7 7840U excels in power efficiency with a lower configurable TDP of 15-30W, while Ryzen 9 7940HS demands a higher configurable TDP of 35-54W.
Yes, both Ryzen 9 7940HS and Ryzen 7 7840U support ECC Memory and offer memory support up to 256GB of DDR5-5600 and LPDDR5x-7500.
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More From Ryzen 9 7940HS:
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