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[OverclockersClub]Overclock showdown: GTX 980Ti vs GTX 1070 vs GTX 1080 - Page 11

post #101 of 389
Quote:
Originally Posted by iLeakStuff View Post

Pretty sure 980ti will lose 10%+ over 1070 once newer drivers for Pascal arrives
FTFY tongue.gif
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post #102 of 389
Quote:
Originally Posted by Noufel View Post

FTFY tongue.gif

cool.gifwink.gif
post #103 of 389
Quote:
Originally Posted by Forceman View Post

Have you read the review? He clearly says he found the overclock at 100% fan. Do you really think the reviewer has never heard of throttling? Especially after all the 1080FE throttling issues?

Does anyone remember the reference GTX580 days? Oh the joys of hitting 100% fan, increasing voltage to get past 900 mhz biggrin.gif Every real gamer knows that sometimes your gonna have to increase fan to 100% for a good overclock on a reference card. Been that way since... well... since forever.
Edited by Alwrath - 6/3/16 at 7:47am
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post #104 of 389
Quote:
Originally Posted by Alwrath View Post

Does anyone remember the reference GTX580 days? Oh the joys of hitting 100% fan, increasing voltage to get past 900 mhz biggrin.gif

GTX 580 was a big die with compute and produced a lot of heat. There was a reason it needed all that fan speed! Such a consumer chip from Nvidia doesn't exist anymore sadly.
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post #105 of 389
Quote:
Originally Posted by Alwrath View Post

Does anyone remember the reference GTX580 days? Oh the joys of hitting 100% fan, increasing voltage to get past 900 mhz biggrin.gif Every real gamer knows that sometimes your gonna have to increase fan to 100% for a good overclock on a reference card. Been that way since... well... since forever.


My old GTX 580 890/4100Mhz after 30 minutes of Crysis 2




Fan 75%

90 °C


stitchfacesmiley.png
post #106 of 389
Quote:
Originally Posted by iLeakStuff View Post

Pretty sure 1070 will gain 10%+ over 980Ti once newer drivers for Pascal arrives

Quote:
Originally Posted by ChevChelios View Post

that will just make haters claim that they gimped Maxwell

Nvidia cant win

Have you guys actually read the Pascal white paper?

GP104 looks remarkably similar to GM204 when you look at the block diagrams, and the white paper seems to say Pascal's major improvements are memory compression, async compute stuff, and an updated polymorph engine that now inclues simultaneous multi-projection, which is mostly related to VR.

Warning: Spoiler! (Click to show)
Quote:
Originally Posted by magnek View Post

This is where I'm hoping Pascal is simply Maxwell on 16nm FF. Looking at the block diagrams, the update from Maxwell to Pascal does seem not all that drastic, certainly not as much of a leap as Fermi to Kepler or even Kepler to Maxwell.

From left to right: Fermi SM, Kepler SMX, Maxwell SMM, Pascal SM




You can clearly see the obvious difference between Fermi, Kepler, and Maxwell. But Maxwell and Pascal's SM look really quite similar if you ignore the FP64 (DP) units. Major difference being Pascal is more finely grained (64 shader cores per SM vs Maxwell's 128 shader cores per SMM). I think the L2 cache is larger in Pascal as well and there might be some other updates but you can see the basic design appears to be very similar.

I used GP100's block diagram above, but if you look at GP104's block diagram below, you'll see it's even more similar to Maxwell:

post #107 of 389
Quote:
Originally Posted by Forceman View Post

Have you read the review? He clearly says he found the overclock at 100% fan. Do you really think the reviewer has never heard of throttling? Especially after all the 1080FE throttling issues?

I know it would make sense to assume that they weeded out throttling across the board given what he said, but something really just doesn't add up in that case. I checked the review methodology and coincidentally enough, they have the same CPU (6700K) as I do. So, I set my 980 Ti to the same, exact settings they did (1455 MHz core, 1951 MHz memory) and my 6700K to the same 4.5 GHz. I couldn't match the RAM since theirs is 3400 MHz vs my 3000 MHz, so they've got a slight advantage there. I then ran Firestrike for some comparisons. To keep it short, my numbers are notably higher and I was running at the same GPU and CPU speeds they were, supposedly without any throttling:

Warning: Spoiler! (Click to show)


vs

http://www.3dmark.com/fs/8672002

8708 vs 9093






vs

http://www.3dmark.com/fs/8672706

4650 vs 4919


-assuming they're talking about overall scores and not just graphics, though it wouldn't help if they were


I find it hard to believe there isn't some throttling going on there, what else would explain the differences?
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post #108 of 389
Quote:
Originally Posted by Serandur View Post

I know it would make sense to assume that they weeded out throttling across the board given what he said, but something really just doesn't add up in that case. I checked the review methodology and coincidentally enough, they have the same CPU (6700K) as I do. So, I set my 980 Ti to the same, exact settings they did (1455 MHz core, 1951 MHz memory) and my 6700K to the same 4.5 GHz. I couldn't match the RAM since theirs is 3400 MHz vs my 3000 MHz, so they've got a slight advantage there. I then ran Firestrike for some comparisons. To keep it short, my numbers are notably higher and I was running at the same GPU and CPU speeds they were, supposedly without any throttling:

Warning: Spoiler! (Click to show)


vs

http://www.3dmark.com/fs/8672002

8708 vs 9093






vs

http://www.3dmark.com/fs/8672706

4650 vs 4919


-assuming they're talking about overall scores and not just graphics, though it wouldn't help if they were


I find it hard to believe there isn't some throttling going on there, what else would explain the differences?

There are LOTS of things to explain the differences.


I find it odd that so many people on such an enthusiast site as this seem to not understand benchmarks. When you run a benchmark what do you think you are benchmarking? Your GPU, your CPU, or every single component in your system? The answer is you're benchmarking every single component in your system. Differences in motherboards will show in a benchmark. Differences in RAM speed and RAM timing will show in a benchmark. Differences in memory bus speeds, PCI-e bus speeds, and I/O speeds will show in a benchmark. Even something as simple as using a separate sound card rather than an onboard sound chip will show in benchmarks. You're never benchmarking just your CPU and/or GPU. If you were just benchmarking your GPU then your benchmark would show perfectly linear scaling as resolution changed, which never happens.
post #109 of 389
So this architecture needs superior clock to surpass previous one.
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post #110 of 389
Quote:
Originally Posted by moustang View Post

There are LOTS of things to explain the differences.


I find it odd that so many people on such an enthusiast site as this seem to not understand benchmarks. When you run a benchmark what do you think you are benchmarking? Your GPU, your CPU, or every single component in your system? The answer is you're benchmarking every single component in your system. Differences in motherboards will show in a benchmark. Differences in RAM speed and RAM timing will show in a benchmark. Differences in memory bus speeds, PCI-e bus speeds, and I/O speeds will show in a benchmark. Even something as simple as using a separate sound card rather than an onboard sound chip will show in benchmarks. You're never benchmarking just your CPU and/or GPU. If you were just benchmarking your GPU then your benchmark would show perfectly linear scaling as resolution changed, which never happens.

As I said, they're using the same CPU as I am... which means they're using the same chipset as I am, have the same PCI-e bus speeds, the same I/O speeds, etc. They're clocked the same as well and as I also said, their memory speeds are if anything higher (and the timings barely suffer for it; 3400 MHz vs 3000 MHz, 16-18-18-38 vs 15-17-17-35) plus they've got the same amount (16 GBs), therefore they've got better memory. In fact, their motherboard is a higher-end board from the same manufacturer's Z170 lineup. And I've neither touched cache overclocking nor the speeds of anything else on the board. Their CPU, memory, chipset, and board are all-around superior or equal at minimum.

The GPUs were also matched in both claimed core and memory clock speeds and beyond that, there is nothing that Firestrike could test. It is a primarily processing speed benchmark that's low on local memory usage (and therefore does not in any way benefit from storage drive speed) and has two distinct measurements: CPU physics processing and graphical rendering. That's it.
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