Core i7-7700 CPU by Intel Review

Intro

We tested the Core i7-7700, a seventh-generation CPU from Intel, based on the Kaby Lake architecture, with four cores, Hyper-Threading, and 4.2 GHz maximum clock. Let’s test it and check if is it faster than other similarly priced processors.

Recently, Intel launched the seventh generation Core i processors, codenamed Kaby Lake. At first, were launched the Core i7 and Core i5 CPUs, and soon after, the Core i3, Pentium, and Celeron models. Those processors bring small changes compared to the sixth-generation ones: new video decoder for 4K video, improved Speed Shift technology (that dynamically adjusts the CPU clock,) and support to Optane technology (which is a future kind of high performance SSDs.)

We already tested the Core i7-7700K, which is the higher-end seventh-gen Core i7 CPU. The Core i7-7700 is a less expensive version, with a lower clock rate, locked multiplied (so you cannot overclocking it just by changing its clock multiplier) and a lower TDP.

The Core i7-7700 has four cores (with eight threads thanks to the Hyper-Threading technology), base clock of 3.6 GHz, maximum clock of 4.2 GHz, 8 MiB of L3 cache and TDP of 65 W.

The direct competitor of the Core i7-7700 is the Ryzen 7 1700 from AMD, which has a similar price. So, we compared this CPU to the Ryzen 7 1700, and to the Core i7-7700K, to see which one has the best cost/benefit ratio. We also included in our comparison the Core i5-7600K, which is a less expensive option based on the same architecture.

Figure 1 unveils the Core i7-7700 CPU.

Core i7-7700 ReviewFigure 1: the Core i7-7700 CPU

In our benchmarks, we used the integrated video for the processing tests. However, for the gaming benchmarks, we disabled the integrated video and used a GeForce GTX 1080 video card on both CPUs, in order to see how the CPU power impact games, not the iGPU.

As the Ryzen 7 1700 has no integrated video, we didn’t include it on the PCMark and 3DMark comparisons, because it whould be not fair to compare one CPU using integrated video to one using a high-end video card in a benchmark where the video card performance matters.

Let’s compare the main specs of the reviewed CPUs in the next page.

Author: Rafael Coelho

Rafael Otto Coelho is a physicist with a master's degree in Education, and is a college professor in Brazil.

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