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.
Key Takeaways
- Firstly, the Ryzen 9 7940HS leads with an impressive advantage in multi-core benchmarks by 17.2% on average, making it the go-to choice for resource-heavy multitasking scenarios.
- Moreover, the Ryzen 9 7940HS outperforms 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 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.
Ryzen 9 7940HS Vs Ryzen 7 7840U: Comparison Table
Key Specifications | Ryzen 9 7940HS | Ryzen 7 7840U |
---|---|---|
Vendor | AMD | AMD |
Release Date | January 4, 2023 | January 5, 2023 |
Device Type | Laptop | Laptop |
Instruction Set | x86-64 | x86-64 |
Integrated GPU | Radeon 780M | Radeon 780M |
Performance Cores | 8 | 8 |
Performance Threads | 16 | 16 |
Base Clock | 4.0 GHz | 3.3 GHz |
Boost Clock | 5.2 GHz | 5.1 GHz |
Total Cores | 8 | 8 |
Total Threads | 16 | 16 |
L1 Cache | 64K (per core) | 64K (per core) |
L2 Cache | 1MB (per core) | 1MB (per core) |
Transistors | 25 billion | 25 billion |
Fabrication Process | 4nm | 4nm |
TDP (PL1) | 35-54W (configurable) | 15-30W (configurable) |
Socket | FP8 | FP8 |
GPU Base Clock | 1500 MHz | 1500 MHz |
GPU Boost Clock | 3000 MHz | 2700 MHz |
Cuda Cores | 768 | 768 |
Execution Units | 12 | 12 |
Memory Support | – DDR5-5600 – LPDDR5x-7500 |
– DDR5-5600 – LPDDR5x-7500 |
ECC Support | Yes | Yes |
Memory Size | 256GB | 256GB |
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.
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)

- The Ryzen 9 7940HS slightly outperforms the Ryzen 7 7840U by 0.4% in single-core performance, with a score of 1839 compared to 1830, indicating its capability for handling individual tasks efficiently.
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 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)

- Impressing in the realm of multi-core tasks, the Ryzen 9 7940HS maintains a lead with a score of 12602, showing a 21% advantage over the Ryzen 7 7840U’s score of 10391, making it a strong contender for handling parallel workloads.
Ryzen 7 7840U Vs Ryzen 9 7940HS: Which Chip Suits Your Needs Best?
- The Ryzen 9 7940HS showcases a remarkable lead in multi-core performance benchmarks over the Ryzen 7 7840U, making it the ideal choice for handling resource-intensive multitasking scenarios.
- Moreover, showcasing its advantage in single-core benchmarks as well, the Ryzen 9 7940HS outperforms the Ryzen 7 7840U, delivering faster processing for individual tasks and applications.
- While both processors support ECC Memory, the Ryzen 9 7940HS demands a configurable TDP of 35-54W, while the Ryzen 7 7840U excels with a lower TDP of 15-30W, allowing users to prioritize power efficiency based on their needs.
- Equipped with support for up to 256GB of DDR5-5600 and LPDDR5x-7500 memory, both chips cater to memory-intensive tasks, ensuring ample bandwidth and smoother data access for demanding computing needs.
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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