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Review: Intel Core i7-4770K (22nm Haswell)

by Parm Mann on 1 June 2013, 15:01

Tags: Intel (NASDAQ:INTC)

Quick Link: HEXUS.net/qabwwf

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Benchmarks: Power Consumption

Intel Core i7-4770K
Efficiency Gain/Loss
Intel Core i7-3770K Intel Core i7-2700K AMD A10-5800K
+ 65.2% + 60.9% + 8.7%

The change in socket makes it difficult to directly compare power consumption; the previous-generation processors are attached to a Gigabyte Z77X-UD5H, while the Core i7-4770K is plugged into a Gigabyte Z87-D3PH.

Nonetheless, the Haswell platform as a whole is proving to be suitably efficient. The entire PC draws just 23 watts when idle.

Intel Core i7-4770K
Efficiency Gain/Loss
Intel Core i7-3770K Intel Core i7-2700K AMD A10-5800K
+ 17.1% + 44.7% + 15.8%

Power-draw under load is impressive, too. With the CPU running flat-out, the entire PC draws no more than 76 watts. And remember, this is one of the hungriest Haswell processors in production.

Intel Core i7-4770K
Efficiency Gain/Loss
Intel Core i7-3770K Intel Core i7-2700K AMD A10-5800K
+ 16.1% + 57.1% + 105.4%

The IGP, while significantly superior in terms of performance, also happens to be noticeably more efficient. When playing DiRT Showdown, the Core i7-4770K system provided to be 16 per cent more power efficient than Core i7-3770K, and 57 per cent more efficient the Core i7-2700K. This statistic is more impressive when you consider that the latter two, despite their higher power draw, were unable to deliver smooth framerates.