Testing Setup and SiSoft Sandra
Test System Setup
CPU Intel Core i7-4790K
Intel Core i7-4960X
Intel Core i7-4770K
Intel Core i7-4670 (simulated)
Intel Core i7-3770K
Intel Core i7-3570 (simulated)
Intel Core i7-3970X
Intel Core i7-3820
Intel Core i7-2600K
AMD FX-8350
Motherboard ASUS Z97-Deluxe (Haswell, 4790K)
Intel DZ87KLT-75K (Haswell)
Intel DX79SR (Ivy Bridge-E, Sandy Bridge-E)
ASUS 990FX (Vishera)
Memory 8GB DDR3-1600
Storage Corsair Force GT 120 SSD
Sound Card On-board
Graphics Card AMD Radeon HD 7970 3GB
Graphics Drivers Catalyst 13.4 (AMD)
Power Supply Corsair Professional AX1000 watt
Operating System Windows 8 Pro x64

SiSoft Sandra 2013 SP3a

The latest version of SiSoft Sandra offers up a lot of new features including GPU performance, OpenCL, etc. 

The Intel Core i7-4790K - Devil's Canyon Review and Overclocking - Processors 9

Raw CPU performance scales by about 7-8% in our SiSoft Sandra results, though we see more modest gains in Multimedia and Memory Bandwidth. In light of the 13% clock speed advantage (if Turbo works as well as expected), that is a bit lower than I would have hoped.

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