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News and specifications about Intel's upcoming Kaby Lake-based desktop CPUs are thin, but a recent leak has made it possible to discern at least some details, due to an Intel product change notification (PCN) document.
A PCN is a document issued by a manufacturer to inform customers about a change to a mass-produced product or its manufacturing process. In this PCN, Intel details a new factory in Vietnam which will work in order to "ensure a continuous supply of the Select Intel Xeon Processor E3-1205, Intel Core i5-7400 Processor, Intel Core i5-7400T Processor, Intel Core i5-7500 Processor, Intel Core i5-7500T Processor, Intel Core i5-7600 Processor, Intel Core i5-7600K Processor, Intel Core i5-7600T Processor, Intel Core i7-7700 Processor, Intel Core i7-7700T Processor and Intel Core i7-7700K Processor products".
According to the document, Intel is readying a first release wave of at least 11 quad-core processors. The chips keep the usual Intel nomenclature of cores and Hyper-Threading scaling from i3 (2 cores, 4 threads) through i5 (4 cores, 4 threads) and i7 (4 cores, eight threads) models. As has been the case in the past, Intel will have available high-performance K variants (i.e., with an unlocked multiplier and 95W TDP), T variants (low-power, 35 W TDP) and standard, 65 W versions of their Kaby Lake processors. THE PCN also "details" what looks like a Xeon part, E3-1205v6, though not much about it is known at this time, with the exception of its 3.0 GHz frequency.
Of these 11 processors, three will be Core i7 models, filling TDP levels of 95, 65 and 35 W (i7-7700K, with base frequency of 4.2 GHz and 95 W TDP; i7-7700, with reduced clockspeed of 3.6 GHz and 65 W TDP, and a a low-power, 2.9 GHz i7-7700T). Another seven CPUs will fit in the i5 bracket (from the top-of-the-line i5-7600K, an unlocked-multiplier CPU operating at 3.8 GHz and 95W TDP through to the lowest-performing processor, the 35 W, 2.4 GHz i5-7400T.
Architecture-wise, not much of a difference is expected between the upcoming Kaby Lake family of processors compared to their Skylake predecessors, barring some eventual refinements here and there (if you choose to count Intel's Speed Shift v2 technology here, feel free to do so). The same is true for their manufacturing process, with Intel's 14nm+ basically enabling a bump in frequencies for all Kaby Lake processors' stock clocks when compared to their Skylake predecessors ranging between a moderate 300 Mhz (i5-7600K against the i5-6600K, for instance) and a measly 100 MHz increase (i7-7700T against its 17-6700T counterpart).
It's likely that most performance improvements with Kaby Lake will stem from their increased frequency, as well as the ability to more quickly change between frequency states, but to how much of an improvement that will bring remains to be seen. It may be that the refined 14nm+ manufacturing process that Intel is leveraging here will allow for increased overclocking potential - and then again, those eventual gains may already be reflected in the base frequency bump Intel has applied to the Kaby Lake family.
View at TechPowerUp Main Site
A PCN is a document issued by a manufacturer to inform customers about a change to a mass-produced product or its manufacturing process. In this PCN, Intel details a new factory in Vietnam which will work in order to "ensure a continuous supply of the Select Intel Xeon Processor E3-1205, Intel Core i5-7400 Processor, Intel Core i5-7400T Processor, Intel Core i5-7500 Processor, Intel Core i5-7500T Processor, Intel Core i5-7600 Processor, Intel Core i5-7600K Processor, Intel Core i5-7600T Processor, Intel Core i7-7700 Processor, Intel Core i7-7700T Processor and Intel Core i7-7700K Processor products".
According to the document, Intel is readying a first release wave of at least 11 quad-core processors. The chips keep the usual Intel nomenclature of cores and Hyper-Threading scaling from i3 (2 cores, 4 threads) through i5 (4 cores, 4 threads) and i7 (4 cores, eight threads) models. As has been the case in the past, Intel will have available high-performance K variants (i.e., with an unlocked multiplier and 95W TDP), T variants (low-power, 35 W TDP) and standard, 65 W versions of their Kaby Lake processors. THE PCN also "details" what looks like a Xeon part, E3-1205v6, though not much about it is known at this time, with the exception of its 3.0 GHz frequency.
Of these 11 processors, three will be Core i7 models, filling TDP levels of 95, 65 and 35 W (i7-7700K, with base frequency of 4.2 GHz and 95 W TDP; i7-7700, with reduced clockspeed of 3.6 GHz and 65 W TDP, and a a low-power, 2.9 GHz i7-7700T). Another seven CPUs will fit in the i5 bracket (from the top-of-the-line i5-7600K, an unlocked-multiplier CPU operating at 3.8 GHz and 95W TDP through to the lowest-performing processor, the 35 W, 2.4 GHz i5-7400T.
Architecture-wise, not much of a difference is expected between the upcoming Kaby Lake family of processors compared to their Skylake predecessors, barring some eventual refinements here and there (if you choose to count Intel's Speed Shift v2 technology here, feel free to do so). The same is true for their manufacturing process, with Intel's 14nm+ basically enabling a bump in frequencies for all Kaby Lake processors' stock clocks when compared to their Skylake predecessors ranging between a moderate 300 Mhz (i5-7600K against the i5-6600K, for instance) and a measly 100 MHz increase (i7-7700T against its 17-6700T counterpart).
It's likely that most performance improvements with Kaby Lake will stem from their increased frequency, as well as the ability to more quickly change between frequency states, but to how much of an improvement that will bring remains to be seen. It may be that the refined 14nm+ manufacturing process that Intel is leveraging here will allow for increased overclocking potential - and then again, those eventual gains may already be reflected in the base frequency bump Intel has applied to the Kaby Lake family.
View at TechPowerUp Main Site
