AMD Ryzen 7 8840HX VS AMD Ryzen 9 8940HX

Both the AMD Ryzen 7 8840HX and AMD Ryzen 9 8940HX are designed for both laptops and desktops, offering integrated graphics for enhanced performance. They share several key specifications, including a 55W Thermal Design Power (TDP), 5 nm semiconductor size, and a maximum CPU temperature of 100 °C, ensuring they maintain similar power and thermal characteristics. Additionally, both processors support 64-bit architecture and feature PCI Express (PCIe) version 5 for high-speed data transfer.

With the same set of features across these specs, there is no clear difference in terms of general specifications between the two processors. Both the Ryzen 7 8840HX and Ryzen 9 8940HX provide identical performance parameters in terms of supported features like integrated graphics, TDP, CPU temperature, semiconductor size, and PCIe version.

In summary, for this particular group of specifications, the AMD Ryzen 7 8840HX and AMD Ryzen 9 8940HX are identical, offering the same set of general capabilities without any distinctions in thermal management, architecture, or connectivity support.

The AMD Ryzen 7 8840HX and AMD Ryzen 9 8940HX differ significantly in their core CPU speeds and configuration. The Ryzen 7 8840HX operates at a CPU speed of 12 x 2.9 GHz, while the Ryzen 9 8940HX has a higher base speed of 16 x 2.4 GHz. Despite the Ryzen 9 having more cores, the Ryzen 7 has a higher per-core clock speed. The turbo clock speeds also show a small difference, with the Ryzen 9 reaching 5.3 GHz compared to the Ryzen 7's 5.1 GHz, providing slightly more potential boost performance for the Ryzen 9.

In terms of threads, the Ryzen 7 8840HX supports 24 threads, while the Ryzen 9 8940HX offers 32 threads, which can be beneficial for heavily multi-threaded tasks. Both processors have unlocked multipliers, giving users flexibility for overclocking. The L2 cache for the Ryzen 7 is 12 MB, compared to the Ryzen 9's 16 MB, and the L1 cache is 768 KB for the Ryzen 7 versus 1024 KB for the Ryzen 9.

The L3 cache is the same size at 64 MB for both processors, but the Ryzen 7 8840HX has a larger L3 cache per core at 5.33 MB, compared to the Ryzen 9 8940HX's 4 MB per core. Neither processor uses big.LITTLE technology, and the clock multiplier is higher for the Ryzen 7 at 29, compared to the Ryzen 9's 24. Overall, while both processors offer impressive performance, the Ryzen 9 has more threads and a slightly higher turbo clock speed, but the Ryzen 7 offers better per-core performance with a higher base clock speed and larger L3 cache per core.

The PassMark results for the AMD Ryzen 7 8840HX and AMD Ryzen 9 8940HX show a noticeable difference in overall performance. The Ryzen 7 8840HX achieves a PassMark result of 45268, while the Ryzen 9 8940HX scores higher with 51227. This indicates that the Ryzen 9 offers a better overall performance in multi-threaded tasks compared to the Ryzen 7.

For single-threaded performance, both processors are very close. The Ryzen 7 8840HX scores 3862, while the Ryzen 9 8940HX scores slightly lower at 3860. This minimal difference suggests that for tasks relying on single-threaded performance, both processors perform almost identically.

In summary, while the Ryzen 9 8940HX outperforms the Ryzen 7 8840HX in multi-threaded PassMark tests, both processors deliver very similar performance in single-threaded tasks.

Both the AMD Ryzen 7 8840HX and AMD Ryzen 9 8940HX are equipped with the same integrated graphics, the Radeon 610M. Their GPU clock speed is identical at 400 MHz, and both processors have the same GPU turbo boost speed of 2200 MHz. Additionally, both feature 2 GPU execution units, 8 texture mapping units (TMUs), 4 render output units (ROPs), and 128 shading units, suggesting that their graphical capabilities are nearly identical.

In terms of software support, both processors support DirectX 12, with the Ryzen 7 supporting DirectX 12 Ultimate, while the Ryzen 9 supports the standard DirectX 12. Both also support OpenGL version 4.6 and OpenCL version 2.1, ensuring compatibility with a wide range of applications and games.

Overall, the integrated graphics of the Ryzen 7 8840HX and Ryzen 9 8940HX are almost identical, with only a minor difference in DirectX support, where the Ryzen 7 supports the higher-end DirectX 12 Ultimate, while the Ryzen 9 is limited to DirectX 12.

The memory specifications for the AMD Ryzen 7 8840HX and AMD Ryzen 9 8940HX are identical. Both processors support a maximum RAM speed of 5200 MHz, DDR5 memory version, and have 2 memory channels. Additionally, both processors can handle up to 64GB of maximum memory, which provides ample capacity for most demanding applications. Neither processor supports ECC memory, which is typically used for error correction in certain professional environments.

Since all memory-related specifications are the same between the two products, there is no difference in how they handle RAM or memory speeds. Both processors offer the same memory capabilities, making them equally capable in terms of memory performance.

In summary, the memory specifications for both the Ryzen 7 8840HX and Ryzen 9 8940HX are fully matched, with no notable differences between them in terms of maximum RAM, speed, or channels.

The features of the AMD Ryzen 7 8840HX and AMD Ryzen 9 8940HX are identical. Both processors support the same set of instruction sets, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, providing broad compatibility with a variety of software. Additionally, both processors support multithreading, which allows them to handle multiple tasks simultaneously, improving efficiency in multi-tasking scenarios.

Both the Ryzen 7 8840HX and Ryzen 9 8940HX also feature the NX bit, which enhances security by helping to prevent certain types of malicious code from executing on the processor.

Since all of the key features are the same across both processors, there are no differences to note in this category. Both the Ryzen 7 and Ryzen 9 offer the same core feature set, making them equally capable in terms of these specific functionalities.