$ Bottom line: Which one is better?
Bottom line: Intel Core i7-7700K is a better processor than Intel Core i7-7740X as it has superior features.
Intel Core i7-7700K is a better device as it has the following outstanding features in this review of i7-7740X vs i7-7700K; 128KB bigger L1 cache, 21W lower TDP, has integrated graphics, has Tri-Gate transistors, 2mm narrower, 13.5mm shorter and has Intel Quick Sync Video.
Intel Core i7- 7700K vs Intel Core i7-7740X: GENERAL INFO
The review below of 7700K vs 7740X is about the general info features of the two devices compared;
Supports 64-bit; Intel Core i7-7700K and Intel Core i7-7740X support 64-bit.
Thermal Design Power; Intel Core i7-7700k has 91W whereas Intel Core i7-7740X has 112W.
Semiconductor size; Intel Core i7-7700K and Intel Core i7-7740X have the same semiconductor sizes of 14nm.
PCI express (PCIE) version; Intel Core i7-7700K and Intel Core i7-7740X have the 3 PCI Express (PCIE) versions of 3.
Integrated graphics; Intel Core i7-7700K has integrated graphics.
Width; Intel Core i7-7700K has 37.5mm whereas Intel Core i7-7740X has 58.5mm.
Bottom line: Intel Core i7-77000K is better as it has lower TDP and has integrated graphics.
Intel Core i7- 7700K vs Intel Core i7-7740X: PERFORMANCE
In terms of performance of 7740X vs 7700K, we have the following feature reviews;
CPU speed; Intel Core i7-7700K has 4 × 4.2GHz whereas Intel Core i7-7740K has 4 × 4.3GHz.
L2 cache; Intel Core i7-7700K has 1MB whereas Intel Core i7-7740K has 4MB.
L3 cache; Intel Core i7-7700K and Intel Core i7-7740X have 8MB each.
CPU threads; Intel Core i7-7700K and Intel Core i7-7740X have 8 CPU threads each.
L1 cache; Intel Core i7-7700K has 256KB whereas Intel Core i7-7740K has 128KB.
L2 core; Intel core i7-7700K has 0.25MB/core while intel core i7-7740X has 1MB/core.
Bottom line: Intel Core i7-7740K is better in performance than Intel Core i7-7700K.
Intel Core i7- 7700K vs Intel Core i7-7740X: MEMORY
Memory features of i7-7740X vs i7-7700K have the following review;
RAM speed; Intel Core i7-7700K has 2400MHz while Intel Core i7-7740X has 2666MHz.
Memory channels; Intel Core i7-7700K and Intel Core i7-7740X have each 2 memory channels.
Maximum memory size; Intel Core i7-7700K and Intel Core i7-7740X have 64GB each.
Bus transfer rate; Intel Core i7-7700K and Intel Core i7-7740X have each 8GT/s bus transfer rates.
Bottom line: Intel core i7-7740X is better as it has a faster RAM speed than Intel Core i7-7700K.
Intel Core i7- 7700K vs Intel Core i7-7740X: KEY FEATURES
Key features of i7-7740X vs 7700K include; dynamic frequency scaling, have AES, supports hardware-assisted virtualization, uses hyperthreading technology and have AVX. However, Intel Core i7-7700K has Tri-Gate transistors which make it superior than Intel Core i7-7740X.
Bottom line: Intel Core i7-7700K is better because it has Tri-Gate transistors in addition to other key features.
Conclusion
To conclude, it is clear that indeed Intel Core i7-7700K is an ideal processor in this review of i7-7700K vs i7-7740X as it supersedes Intel Core i7-7740K in terms of key features and general info. Additionally, it has Intel Quick Sync Video as an added superior feature.