Intel Core i7 7-series Kaby Lake Information leak

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Earlier this year the specs of Intel Core i7 7700K Kaby Lake already processor surfaced in the SiSoft SANDRA benchmark results page. The Core i7 7700K listed would be a quad-core with HyperThreading enabling 8 logical CPUs. The clock frequencies have changed towards higher numbers though. As it stands now this flagship quad-core processor is clocked at 4.2 GHz and can Boost to 4.50 GHz. To compare a little, a Core i7 6700K runs at 4.00 GHz with a boost to 4.20 GHz. The cache is the same, 256 KB per-core L2, and 8 MB shared L3 caches. Clock-for-clock and core for core you should not expect much performance differences though. The processors will use the current socket LGA1151 which means that after a motherboard firmware upgrade, you should be ready to go with your current motherboard. The second K model would be the Core i5-7600K and will get a 3.80 GHz clock that may boost towards its 4.00 GHz Turbo. It will have less L3 cache (6 MB) and also will lack hyper-threading. Lower in the stack will be lower TDP based SKUs like the i7-7700 (non-K) with a 3.60 GHz base clock and TBA turbo clock.

Processor Name Frequency (GHz) Cache C/T Turbo Boost (GHz) Intel HD Graphics Dynamic Frequency (MHz) Unlocked USD
Socket 1151 Standard Power (95W)
i7-7700K 4.2 8 MB 4-Aug 4.5 Next Gen HD Graphics TBA Yes TBA
i5-7600K 3.8 6 MB 4-Apr 4 Next Gen HD Graphics TBA Yes TBA
Socket 1151 Low Power (65W)
i7-7700 3.6 8 MB 4-Aug TBA Next Gen HD Graphics TBA No TBA
i5-7600 3.5 6 MB 4-Apr TBA Next Gen HD Graphics TBA No TBA
i5-7500 3.4 6 MB 4-Apr TBA Next Gen HD Graphics TBA No TBA
i5-7400 3.3 6 MB 4-Apr TBA Next Gen HD Graphics TBA No TBA
Socket 1151 Ultra Low Power (35W)
i7-7700T 2.9 8 MB 4-Aug TBA Next Gen HD Graphics TBA No TBA
i5-7600T 2.7 6 MB 4-Apr TBA Next Gen HD Graphics TBA No TBA
i5-7500T 2.4 6 MB 4-Apr TBA Next Gen HD Graphics TBA No TBA
  • K – Unlocked
  • T – Power-optimized lifestyle

Even at 35 Watt there will be a Ultra Low Power quad-core processor, the Core i7-7700T will have 2.90 GHz clocks and 8 MB of L3 cache.

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