Broadwell i7 5775C Gaming Performance on par with Haswell

[vm'N]

nvm

[Curufinwe_wins]

Not that voltage isn't important to note, but even in their own review they note that apparently broadwell handles higher voltages much better than previous chips (it also apparently needs higher voltage to function). This isn't really relevant without looking at safe operating temperatures. (After all voltage is not directly a measure of stability. Voltage is only the potential difference used to drive the system. It is possible their 14nm envelope for some reason has significantly higher resistance which then requires the higher voltage.)

So if before 1.25V was safe 24/7 load, but now 1.4-1.5V is safe, then the relative safety margin may not be much changed.

[MageTank]

Yet another update: I found another review of the i7 5775C that discloses more results from OCing. It still is not looking good for the overall overclocking abilities of broadwell, as it appears to be very voltage hungry. 

 

http://www.tweaktown.com/articles/7222/intel-core-i7-5775c-3ghz-broadwell-lga-1150-cpu-performance-overview/index11.html

 

 

 

The maximum overclock I was able to achieve was 4.5GHz. This means it was stable enough to validate this overclock with CPUz, but I couldn't do much else without freezing. The eDRAM addition to the system could be one reason for the lower OC, as it's the new ingredient, but I found other limits as well. Overclocking the cache and memory isn't as easy as I am used to with the 4770K and 4790K. The CPU is also pretty sensitive to voltage, too high or too low and you might get issues. I found that an Input Voltage lower than 1.9v or higher than 2.15v would result in instability. I had to use 2.0-2.1v for 4.5GHz, otherwise I was stuck at 4.4GHz. This is more of a CPU limit since I tried other motherboards, and this one was one of the best overclockers. Other media also seem to be hitting the same limits, as well
 

 

[patrickjp93]

Yet another update: I found another review of the i7 5775C that discloses more results from OCing. It still is not looking good for the overall overclocking abilities of broadwell, as it appears to be very voltage hungry. 

 

http://www.tweaktown.com/articles/7222/intel-core-i7-5775c-3ghz-broadwell-lga-1150-cpu-performance-overview/index11.html

Be aware this wasn't a chip designed to replace a 4790k, and these are all OEM chips. The etailer sales tend to get the overclocking chips if there are any.

[MageTank]

Be aware this wasn't a chip designed to replace a 4790k, and these are all OEM chips. The etailer sales tend to get the overclocking chips if there are any.

Yeah, i know what market it was targeting. I will still be buying one for my custom SFF design, simply because the performance it offers for the low TDP it has is just second to none. I do like that it can be OC'd to 4.0 with ease, according to every review i've seen so far about it. Could just overclock it to 4.0 and pretend you have a 4770k with better iGPU.