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Core i7 5775C processor review: Desktop Broadwell
Posted by: on: 07/15/2015 11:11 AM [
68 comment(s) ]
We review the Intel Core i7 5775C processor developed at a 14nm node these processors are a notch more energy friendly. Join us as we look at the performance of this processor in a wide variety of benchmark, will it be noticeably more tweakable than say the Core i7 4770 or 4790 ? Let's find out shall we.
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Ryu5uzaku
Senior Member
Posts: 7001
Senior Member
Posts: 7001
Posted on: 07/15/2015 11:40 AM
Broadwell is like moot point if you got even Ivy bridge unless you really really want 14nm -.- Mine clocks to 4.8 :<
At least Intel upped their IGP game. I want to see if AMD has done anything in the past year for their IGP. Since this new iris is barely faster then 7850 on that field, else it is way faster ofc
Great review as always.
Broadwell is like moot point if you got even Ivy bridge unless you really really want 14nm -.- Mine clocks to 4.8 :<
At least Intel upped their IGP game. I want to see if AMD has done anything in the past year for their IGP. Since this new iris is barely faster then 7850 on that field, else it is way faster ofc
Great review as always.
Hilbert Hagedoorn
Don Vito Corleone
Posts: 39952
Don Vito Corleone
Posts: 39952
Posted on: 07/15/2015 12:15 PM
HH, is it possible that you got worse sample yet? That overclock is just so bad. First overclock on 5775c (a month ago) showed it can reach 5Ghz at 1.4v+.
And people thought they'll upgrade from Haswell to Broadwell, lol.
No I checked with some other media, and most of us all reach this level of OC.
HH, is it possible that you got worse sample yet? That overclock is just so bad. First overclock on 5775c (a month ago) showed it can reach 5Ghz at 1.4v+.
And people thought they'll upgrade from Haswell to Broadwell, lol.
No I checked with some other media, and most of us all reach this level of OC.
MasterBash
Senior Member
Posts: 819
Senior Member
Posts: 819
Posted on: 07/15/2015 12:44 PM
I dont understand the power consumption. 4770k is 2w more @ 3.5ghz vs broadwell at 3.3ghz. 4790k @ 109w and it runs at 4.0ghz .
14nm doesnt seem to help much... or at all. Unless the other processors were tested with more power efficient hardware, but I doubt it.
I am guessing stock voltage is higher to be able to get stable clocks at default? Then that would defeat the purpose of the power saving of 14nm. Other than that I cant figure out why that would happen. Considering there is a dedicated gpu, its definitely not caused by the iGPU.
The very slight per core performance boost isnt worth it. Its basically haswell with a better iGPU.
Disappointed in 14nm atm.
I dont understand the power consumption. 4770k is 2w more @ 3.5ghz vs broadwell at 3.3ghz. 4790k @ 109w and it runs at 4.0ghz .
14nm doesnt seem to help much... or at all. Unless the other processors were tested with more power efficient hardware, but I doubt it.
I am guessing stock voltage is higher to be able to get stable clocks at default? Then that would defeat the purpose of the power saving of 14nm. Other than that I cant figure out why that would happen. Considering there is a dedicated gpu, its definitely not caused by the iGPU.
The very slight per core performance boost isnt worth it. Its basically haswell with a better iGPU.
Disappointed in 14nm atm.
Turanis
Senior Member
Posts: 1727
Senior Member
Posts: 1727
Posted on: 07/15/2015 01:08 PM
Great review.
But yep this new cpus not worth it.Next year will be better.
They push the Iris Pro 6k but the cpu has only 6mb smart cache.hmm
Compare Intel® Products
Great review.
But yep this new cpus not worth it.Next year will be better.
They push the Iris Pro 6k but the cpu has only 6mb smart cache.hmm
Compare Intel® Products
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Senior Member
Posts: 14541
HH, is it possible that you got worse sample yet? That overclock is just so bad. First overclock on 5775c (a month ago) showed it can reach 5Ghz at 1.4v+.
And people thought they'll upgrade from Haswell to Broadwell, lol.