Intel Core i5-2405S Review

Test Setup and Overclocking

Intel Core i5-2405S Review

Test Setup

Being the very latest in the Intel line it makes sense to test it upon the latest generation of motherboards.

Intel Core-i5 2405S
Gigabyte G1.Sniper 2 Z68 Motherboard
4GB Kingston Genesis 2133MHz
EVGA GTX570 with ForceWare 280.26 WHQL
Samsung Spinpoint F1
Corsair 80GB SSD as Intel Rapid Storage Technology cache
Thermalright Silver Arrow
Windows 7 x64


Fresh out of the box the Core i5-2405S is clocked at a very humble 2.5 GHz. Although the literature states it supports up to 3.3 GHz in Turbo mode this is only on a single core, and when all four cores are active the Turbo mode pushes a whole single step up to give us a still pretty feeble 2.6 GHz. However as this is such a low watt processor perhaps there is some extra to be gained with some judicious prodding.

Intel Core i5-2405S Review  

And the answer is... no. No there isn't. With all four cores enabled the CPU runs at a maximum of 3 GHz regardless of what you've specified you want it to run at, how much power headroom you've given it, or how much extra vCore you run. Not exactly a speedster which is disappointing.

Intel Core i5-2405S Review

Let's run some tests.

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Most Recent Comments

31-08-2011, 06:02:33

The latest in a long line of SandyBridge processors is the low power Core i5-2405S. We put it to the test.

Continue ReadingQuote

31-08-2011, 06:17:02

Seems pretty pointless to release this when it offers nothing but a lower TDP and who would buy this when you can get the 2500k for the same money which you can also overclock

Even if you don't go for the 2500k the non K 2500 is still cheaper and faster than the 2405S.Quote

31-08-2011, 07:24:06

There's also the i5 2500T as well which is only 45W, but that's even more expensive than the 2500K.Quote

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