This morning's "Tech Tea Time" featured an article about the impressive performance of the Core i7-8700K, but as I read through it, something seemed off. Upon closer inspection, I spotted an issue worth discussing. I want to focus on one aspect today.
The multi-threaded performance of the i7-8700K has seen remarkable improvements. The test results clearly demonstrate this, showing a significant jump in multi-threaded performance, which is quite rare for both Intel and AMD. This substantial boost in multi-threaded performance underscores the depth of Intel's technological capabilities. They have been able to swiftly adapt their strategies and bring to market products that align well with consumer needs.
In comparison, the i7-8700K has moved from having four cores and eight threads like the i7-7700K to six cores and twelve threads. While this increase in core count might seem straightforward, there’s more to it than just the number of cores. Improvements in the instruction set, internal multi-core architecture optimizations, and advancements in manufacturing processes have all contributed significantly to this leap.
When it comes to process technology, people might wonder why Intel is still using 14nm technology, even after three generations. For instance, the i7-8700K has a TDP of 95W compared to the i7-7700K's 91W, despite having two additional cores and four threads. This reflects Intel's third-generation enhanced 14nm process technology—referred to as 14nm++. Each iteration of this process brings noticeable improvements. These refinements help mitigate leakage issues and maximize the efficiency of each new generation. To put it simply, even current 10nm processes from competitors might not match the maturity and performance of Intel's 14nm+++.
Of course, the benefits of these technological advancements come with trade-offs. To keep the TDP under control, the i7-8700K had to make some concessions. One notable compromise is the reduction in single-threaded performance. The base frequency of the i7-8700K is 3.8GHz, with a single-core boost clock of 4.7GHz and all-core boost clock of 4.3GHz. In contrast, the i7-7700K boasts a base frequency of 4.2GHz, a single-core boost clock of 4.5GHz, and an all-core boost clock of 4.4GHz. The differences in clock speeds—400MHz higher base, 200MHz lower single-core boost, and 100MHz higher all-core boost—are evident in the performance metrics.
In summary, my current take is that the gaming performance of the i7-8700K doesn’t differ much from the i7-7700K, and it might even perform slightly worse in single-core scenarios. However, its multi-threaded performance is drastically better! For high-end users looking to leverage multi-threaded applications, the i7-8700K is a solid choice. But for gamers or budget-conscious buyers, the i7-7700K remains a great value, especially when paired with affordable motherboards. Additionally, I’m particularly optimistic about the i5-8400, which features six cores and six threads. Whether in single-threaded or multi-threaded tasks, it’s expected to outperform the i5-7400 significantly, potentially becoming a mainstream favorite in the near future. Let’s stay tuned for its release!
[Image captions and descriptions omitted for brevity]
This analysis is based on initial observations and early benchmarks. As more data becomes available, we’ll have a clearer picture of how these processors stack up against each other. Stay tuned for updates!
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