![]() ![]() We tested the Core i7-4790K in an Asus Z97-Pro motherboard with a SilverStone Argon AR03 air cooler. It's designed for motherboards that use the Intel Z97 chipset, and will also work happily in older Z87-based motherboards, although you may need to update the board’s firmware to enable it. It also has the same 8MB of Level 3 cache as the i7-4770K, which is shared equally between all the processor's cores.Īs with other Haswell processors, the Core i7-4790K is compatible with Socket LGA1150 motherboards. Like the Core i7-4770K, the Core i7-4790K benefits from Intel’s Hyper-Threading technology, which means that processor’s four physical cores are split into eight logical cores, theoretically improving multitasking performance and performance in multi-threaded applications. This means the i7-4790K will run slightly hotter and consume slightly more energy than its predecessor, so will be in need of the extra cooling provided for by its design. ![]() The chip has an 88W thermal design power (TDP), which is slightly higher than the Core i7-4770K’s 84W TDP. ![]() The Core i7-4790K is based on a 22nm process and has four CPU cores, as well as an integrated Intel HD Graphics 4600 graphics processor. Otherwise, there is little difference between the chips. The i7-4790K can operate at these higher clock speeds thanks to extra capacitors that help deliver power to the die and a new thermal interface material to improve cooling. The new chip has both faster base and boost clock speeds than its predecessor, the Intel Core i7-4770K, with a base clock speed of 4GHz and a Turbo Boost of 4.4GHz, compared to 3.5GHz and 3.9GHz. 2014’s Core i7-4790K, codenamed 'Devil's Canyon', seems to be a response to these complaints. ![]()
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