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post #1081 of 1961
Anyone else have the Corsair 2x8GB 2666 kit, curious to how far and at what voltage you've pushed the set if you've oc'd?
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post #1082 of 1961
Quote:
Originally Posted by johnnyw View Post

Anyone who upgraded from haswell/devils canyon has noticed that gfx performance seems worse on skylake, atleast at benchmarks?

Been doing some tests past few days and example my firestrike gfx score is noticeably worse than it was with Z87/4670K rig. Removed overclock from both setups so both cpu:s at stock. Bios updated to latest on both comps and on skylake build FCLK set 800-> 1000mhz

Gigabyte 980 Ti with 1530mhz boost

Firestrike gfx scores

Haswell Z87 / 4670K = 21603

Skylake Z170 / 6600K = 20983

Did several runs and Haswell set scored constantly around 21500-21600 & this skylake comp is constantly at 20900 range.

Every review and benchmarks i have seen over the last month or so always puts 6700K above the 4790K even, but not by massive amounts, i know correct setting should be 1000mhz, but some other guy done some tests, and his benches in fact dropped when he went to 1000mhz, so he went back to 800mhz, try going back to 800mhz and retest.

Have a look at this
Edited by Daytraders - 9/26/15 at 9:18am
post #1083 of 1961
Quote:
Originally Posted by Daytraders View Post


Every review and benchmarks i have seen over the last month or so always puts 6700K above the 4790K even, but not by massive amounts, i know correct setting should be 1000mhz, but some other guy done some tests, and his benches in fact dropped when he went to 1000mhz, so he went back to 800mhz, try going back to 800mhz and retest.

Have a look at this
Forgot to mention that FCLK 800->1000 makes really no difference to scores. Also in games i get about same FPS on both rigs, just weird how the FS gfx score drops such huge amount.
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post #1084 of 1961
Quote:
Originally Posted by johnnyw View Post

Anyone who upgraded from haswell/devils canyon has noticed that gfx performance seems worse on skylake, atleast at benchmarks?

Been doing some tests past few days and example my firestrike gfx score is noticeably worse than it was with Z87/4670K rig. Removed overclock from both setups so both cpu:s at stock. Bios updated to latest on both comps and on skylake build FCLK set 800-> 1000mhz

Gigabyte 980 Ti with 1530mhz boost

Firestrike gfx scores

Haswell Z87 / 4670K = 21603

Skylake Z170 / 6600K = 20983

Did several runs and Haswell set scored constantly around 21500-21600 & this skylake comp is constantly at 20900 range.

What was your memory speed and timings on Haswell? Would make sense if you have something like DDR-2400 on Haswell and went to a slow DDR-2666 on Skylake.
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post #1085 of 1961
Quote:
Originally Posted by EniGma1987 View Post

What was your memory speed and timings on Haswell? Would make sense if you have something like DDR-2400 on Haswell and went to a slow DDR-2666 on Skylake.
Actually the Haswell comp has basic 2x4Gb 1600mhz CL 9 corsair kit smile.gif

I did also compare GPU at stock ( 1354 boost ) and the difference was pretty similar.

Haswell : 19222

Skylake : 18718
Edited by johnnyw - 9/26/15 at 9:28am
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post #1086 of 1961
Quote:
Originally Posted by johnnyw View Post

Forgot to mention that FCLK 800->1000 makes really no difference to scores. Also in games i get about same FPS on both rigs, just weird how the FS gfx score drops such huge amount.
Yeh FCLK at most gives like 1%-3% difference, if that, so you did not notice any difference then using either ? so both you skylake and 4670k were both running at 4ghz with turbo 4.2 correct ?
post #1087 of 1961
Quote:
Originally Posted by Daytraders View Post

Yeh FCLK at most gives like 1%-3% difference, if that, so you did not notice any difference then using either ? so both you skylake and 4670k were both running at 4ghz with turbo 4.2 correct ?
FCLK differences in FS is like 20 points to either direction, but that is more like margin of error beetween runs anyway. So basicly 800 or 1000 made no real difference. CPU:s at stock, so 3.9ghz both.

Just took a look on other forums and peoples with skylake are getting about same gfx scores with similar gpu clocks than me. Really start to thing there is some issue on FS with this platfrom as even guys with old SB platfroms seems to be getting higher gfx scores with 980 Ti.
Edited by johnnyw - 9/26/15 at 10:09am
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post #1088 of 1961
Quote:
Originally Posted by johnnyw View Post

FCLK differences in FS is like 20 points to either direction, but that is more like margin of error beetween runs anyway. So basicly 800 or 1000 made no real difference. CPU:s at stock, so 3.9ghz both.

Just took a look on other forums and peoples with skylake are getting about same gfx scores with similar gpu clocks than me. Really start to thing there is some issue on FS with this platfrom as even guys with old SB platfroms seems to be getting higher gfx scores with 980 Ti.

Mind you in real life for gaming, the skylake is great at minimum frames per seconds in games compared to the old 4790k or similar, as in that benchmark video i posted.
post #1089 of 1961
Quote:
Originally Posted by rv8000 View Post

Anyone else have the Corsair 2x8GB 2666 kit, curious to how far and at what voltage you've pushed the set if you've oc'd?

2x8GB Corsair Dominator Platinum 2666Mhz kit here, running at 3000Mhz on 1.31v here at the moment of writing.
Loosened timings a little to get stable on the higher frequency. Haven't tried pushing them further or the other way around (tighter timings) yet.

I have read that 1.35v is fine for these memory-sticks.

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post #1090 of 1961
Quote:
Originally Posted by rv8000 View Post

Anyone else have the Corsair 2x8GB 2666 kit, curious to how far and at what voltage you've pushed the set if you've oc'd?

Quote:
Originally Posted by rck1984 View Post

2x8GB Corsair Dominator Platinum 2666Mhz kit here, running at 3000Mhz on 1.31v here at the moment of writing.
Loosened timings a little to get stable on the higher frequency. Haven't tried pushing them further or the other way around (tighter timings) yet.

I have read that 1.35v is fine for these memory-sticks.
Warning: Spoiler! (Click to show)

Just for reference, Crucial Elite 2666 8GBx2 kit. Currently benchmark and gaming stable at 3000mhz 1.25v. This was my first attempt and it was very quick and easy to achieve. This board has been rock solid to say the least. Warning: Spoiler! (Click to show)
 
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