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i7 3770 (non K) vs 4790k
show user profile  Sangre
Would there be a significant mental ray render performance increase if I upgraded my old ivy bridge i7 3770 to Haswell i7 4790k cpu? Considering the frequency there's over 1GHz increase if I run the later one in turbo boost mode. Can the 3770 (non K) be overclocked to over 4GHz with no problems? Thanks!
read 680 times
4/5/2015 7:17:39 PM (last edit: 4/5/2015 7:17:39 PM)
show user profile  Mr_Stabby
the 4790k should be around 25% faster with both at their stock configuration.
the architecture accounts for around 7% performance increase and the frequency for around 17%

AFAIK (havent actually tried myself) you should be able to configure the core count / multiplier thingy to enable 43(39 stock max + 4 for non-K ivy's) multipliers while all cores are utilized (by default it drops to 34) if the motherboard supports it. In addition to that you should be able to get the BCLK to 103-105 depending on how well your motherboard tolerates it. Together, you should theoretically be able to overclock it to ~4.4GHz which would yield ~29% performance increase over your current.

On the other hand, if you also were to overclock the 4790k to 4.5ghz(rather common for those), you'd get ~41% performance increase over your current setup.

to compare both overclocked, the difference is ~9%

read 663 times
4/5/2015 9:24:42 PM (last edit: 4/5/2015 9:27:40 PM)
show user profile  Sangre
So, if you can overcklock the 3770 just as well as the 3770k, what is the difference between the two?
read 635 times
4/6/2015 5:53:16 AM (last edit: 4/6/2015 5:53:16 AM)
show user profile  Mr_Stabby
K and non K aren't always that close, intel dropped the 4 free mults on non-k after ivy and most other chips before them have lower stock mults.. those chips in particular just happen to be really close in terms of OC potential, considering that the K version usually ends up with 4.5ghz. Call it a happy coincidence, no real difference.

read 632 times
4/6/2015 7:12:24 AM (last edit: 4/6/2015 7:12:58 AM)
show user profile  Sangre
So I'm guessing if I manage to OC the 3770, without making it super hot, there's no point in upgrading. Thanks!
read 629 times
4/6/2015 7:41:17 AM (last edit: 4/6/2015 7:41:17 AM)
show user profile  Darius
Just get Frio Ock le. Its so cool. Especially,intel will never get HOT as my shitty AMD never get's HOT.
read 616 times
4/6/2015 2:35:38 PM (last edit: 4/6/2015 2:35:38 PM)
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