Intel Core i5-6400
Intel Core i5-6400 VS. Intel Core i7-6700
Intel Core i7-6700

Intel Core i5-6400 vs. Intel Core i7-6700

November 13, 2019
                         
Bottom line: Which one is better?

In this review of i5-6400 vs i7-6700, the following features makes Intel Core i7-6700 a better processor; 29.93% faster CPU speed, 4 more CPU threads, 0.7GHz higher turbo clock speed, 3419 higher PassMark result, 2MB bigger L3 cache, l3982 higher GeekBench result (multi-core), 0.5MB/core more L3 cache per core and uses hyperthreading technology.

GENERAL INFO

In terms of general info of i5-6400 vs i7-6700, we have the following features;

GPU clock speed; Intel Core i5-6400 and Intel Core i7-6700 have the same GPU clock speed of 350MHz.

DirectX version; Intel core i5-6400 and Intel Core i7-6700 have DirectX versions of 12

Supports 64-bit; Intel Core i5-6400 and Intel Core i7-6700 support 64-bit.

Thermal Design Power; Intel Core i5-6400 has TDP of 65W, the same as Intel Core i7-6700.

GPU turbo; Intel Core i5-6400 has GPU turbo of 950MHz, the same as Intel Core i7-6700.

Semiconductor size; Intel Core i5-6400 and Intel Core i7-6700 have 14nm each.

Bottom Line general info
Intel Core i5-6400 and Intel Core i7-6700 have same general info.
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PERFORMANCE

CPU speed; Intel Core i5-6400 has 4 × 2.7GHz whereas Intel Core i7-6700 has 4 × 3.4GHz.

L2 cache; Intel Core i5-6400 and Intel Core i7-6700 have 1MB each.

L3 cache; Intel Core i5-6400 has 6MB whereas Intel Core i7-6700 has 8MB.

CPU threads; Intel Core i5-6400 has 4 CPU threads whereas Intel Core i7-6700 has 8MB.

L1 cache; Intel Core i5-6400 has 128KB, the same as Intel Core i7-6700.

L2 core; Intel Core i5-6400 and Intel Core i7-6700 have 0.2MB/core each.

Bottom Line performance
Intel Core i7-6700 has a better performance than Intel Core i5-6400.
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MEMORY

RAM speed; Intel Core i5-6400 has 2133MHz which is the same as Intel Core i7-6700.

Maximum memory bandwidth; Intel Core i5-6400 and Intel Core i7-6700 have a maximum memory bandwidth of 34.1GB/s each.

Memory channels; Intel Core i5-6400 and Intel Core i7-6700 have 2 memory channels each.

Maximum memory size; Intel Core i5-6400 and Intel Core i7-6700 have maximum memory sizes of 54MB each.

Bus transfer rate; Intel Core i5-6400 and Intel Core i7-6700 have bus transfer rates of 8GT/s.

Bottom Line memory
Intel Core i5-6400 and Intel Core i7-6700 have similar memory features.
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KEY FEATURES

In reviewing i7-6700 vs i5-6400, we find out that the two devices have dynamic frequency scaling, AES, supports hardware-assisted virtualization, have 4.2 SSE versions and AVX. In addition, Intel Core i7-6700 uses hyperthreading technology which isn’t the same with Intel Core i5-6400.

Bottom Line key features
Intel I7-6700 is better as it uses hyperthreading technology in addition to other features.
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BENCHMARKS

PassMark result; Intel core i5-6400 has 6554 whereas Intel Core i7-6700 has 9973.

PassMark result (single); Intel Core i5-6400 has 1825 whereas Intel Core i7-6700 has 2142

GeekBench result; Intel Core i5-6400 has 15397 whereas Intel Core i7-6700 has 19379.

Performance per watt; Intel Core i5-6400 has 236.8 while Intel Core i7-6700 has 298.1

PassMark result (overlocked); Intel Core i5-6400 has 7199 whereas Intel Core i7-6700 has 10176.

Bottom Line benchmarks
Intel Core i7-6700 is better than Intel Core i5-6400 in terms of benchmarks.
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Conclusion

Intel Core i7-6700 is a better device as it has quality features that determine a good processor.

$ 265.00