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[wccf] Nvidia Geforce GTX 960 to have two ‘Ti’ variants – Upto 1536 CUDA Cores, Benchmarks Revealed - Page 17

post #161 of 264
Quote:
Originally Posted by SpeedyVT View Post

:)A delta color compression exists on the physical level it's like more effectively utilizing space on a HDD like from FAT to NTFS, in this case it's way the frames are lossless and decompression is not necessary. If anything the significant benefit of using delta color compression is to reduce latency. Should not effectively make any improvement in rendering though, just prevents dropping frames due to being late.

wait you lost me a bit, so you're saying that its not a form of software compression but a form of different transport and storage making more efficient use of resources?
or it is software compression but these files comes pre-compressed already?

it sounds weird though, hearing "compression" makes me think of needing more resource to compress.


on that note of reducing latency, since minimum frame rate is latency bound (e.g. latency spikes and render errors are the main reasons theres a minimum), then we should be seeing a noticeably higher minimum frame-rate than more max frame rate.

though it's more on frame rate jitter than minimum, we should see less micro-stutter for example.

edit: according to techreport that is the case, though there are still a bit of micro-stutters.

so the best way to increase minimum frame rate and reduce micro-stutters are:
1) maxwell cards
2) fast GPU, fast VRAM and wide buswidth
3) more fast cores (fewer pipelined tasks due to split workload, if only parallelism was that perfect tongue.gif)
4) fast RAM (though diminishing returns)
5) ramdisk entire game (file fetch takes microseconds instead of milliseconds)

speaking of wide buswidth, i've read somewhere that PCIE has too much latency in comparison to DIMM.
i think it was on some SSD that plugs into DIMM slots, they were still SSD storage regardless of interface.
Edited by epic1337 - 1/10/15 at 2:19am
post #162 of 264
Thread Starter 
Quote:
Originally Posted by SpeedyVT View Post

A 970 and 980 are short sighted. They GFLOPs may not be entirely important, but it's damn well important enough that it determines the life expectancy of a GPU.

They're not and it doesn't.

Also, fun fact, AMD reports gflops at max boost frequency, Nvidia at base clocks.
 
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post #163 of 264
Quote:
Originally Posted by Alatar View Post

They're not and it doesn't.

Also, fun fact, AMD reports gflops at max boost frequency, Nvidia at base clocks.

Oh interesting I never realised that. I guess this goes in line with AMD reporting clock speeds up to X amount on 290 series.
post #164 of 264
Quote:
Originally Posted by Alatar View Post

They're not and it doesn't.

Also, fun fact, AMD reports gflops at max boost frequency, Nvidia at base clocks.

Then again they've only got two modes really, unless custom firmware, 2D/3D clocks. So how you look at it depends...
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post #165 of 264
Quote:
Originally Posted by epic1337 View Post

wait you lost me a bit, so you're saying that its not a form of software compression but a form of different transport and storage making more efficient use of resources?
or it is software compression but these files comes pre-compressed already?

it sounds weird though, hearing "compression" makes me think of needing more resource to compress.


on that note of reducing latency, since minimum frame rate is latency bound (e.g. latency spikes and render errors are the main reasons theres a minimum), then we should be seeing a noticeably higher minimum frame-rate than more max frame rate.

though it's more on frame rate jitter than minimum, we should see less micro-stutter for example.

edit: according to techreport that is the case, though there are still a bit of micro-stutters.

so the best way to increase minimum frame rate and reduce micro-stutters are:
1) maxwell cards
2) fast GPU, fast VRAM and wide buswidth
3) more fast cores (fewer pipelined tasks due to split workload, if only parallelism was that perfect tongue.gif)
4) fast RAM (though diminishing returns)
5) ramdisk entire game (file fetch takes microseconds instead of milliseconds)

speaking of wide buswidth, i've read somewhere that PCIE has too much latency in comparison to DIMM.
i think it was on some SSD that plugs into DIMM slots, they were still SSD storage regardless of interface.

Not entirely...

I don't agree that Maxwell is the answer. It's marks are marginal for a new generation. I think the R9 300 series will be significantly faster than Maxwell, if not twice as fast. Examining the performance of R9 285 being a GCN 1.2.
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post #166 of 264
Maxwell isn't the answer while simultaneously soiling yourself over the massively disappointing 285? We got faster, quieter, more powerful, cheaper and less power hungry cards. Maxwell is a win by all accounts. Its what Evergreen was to Fermi. No one cares about GM204 for pure performance, that's what we are looking to big Maxwell for. And even then, everything about it is looking up. 750 Ti scaled to the 970/980 in performance and power usage, the memory compression...

I don't doubt Nvidia being capable for lower resolutions in the face of HBM. I am fully expecting the HBM equipped GPUs, even at 4GBs, to dominate 4k and likely 1440p. They also make for good power usage reductions from what Orangey said elsewhere. Personally, 390x is what I expect to replace my 970.

Come on Speedy try and keep up appearences!
 
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post #167 of 264
Quote:
Originally Posted by iSlayer View Post

Maxwell isn't the answer while simultaneously soiling yourself over the massively disappointing 285? We got faster, quieter, more powerful, cheaper and less power hungry cards. Maxwell is a win by all accounts. Its what Evergreen was to Fermi. No one cares about GM204 for pure performance, that's what we are looking to big Maxwell for. And even then, everything about it is looking up. 750 Ti scaled to the 970/980 in performance and power usage, the memory compression...

I don't doubt Nvidia being capable for lower resolutions in the face of HBM. I am fully expecting the HBM equipped GPUs, even at 4GBs, to dominate 4k and likely 1440p. They also make for good power usage reductions from what Orangey said elsewhere. Personally, 390x is what I expect to replace my 970.

Come on Speedy try and keep up appearences!

R9 285 was disappointing, not entirely, because it wasn't an enthusiast card. The enthusiast card comes out this year with the new improved delta color compression and optimization on tessellation. NVidia has already put out this generations supposed powerful for it to be only minimally better it's not going to sway most enthusiasts to upgrade. It was purchased in anticipation it'd be a 780 destroyer. I heard a lot of people are going to the R9 300 series just because NVidia didn't scale generation to generation. With all the optimizations rumors are that R9 300 series consumes much less than Maxwell. The GPU portion of the R-series never consumed much it was all memory modules.
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post #168 of 264
Thread Starter 
If you think that NV has already released their big guns then you're going to be surprised.

GM200 has 50% more of everything compared to GM204 and it's pretty much ready for release whenever it's needed.

Also as a sidenote on the tonga discussion. Tonga and GM204 are actually remarkably similar (power, die size, transistor count, MCs etc.). With one exception. GM204 is in a completely different performance category.
 
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post #169 of 264
I hope we get performance leaks (valid/from a reputable site) already. I want to upgrade so bad, either this or the midrange AMD 300. (Sorry I'm poor) biggrin.gif
post #170 of 264
Speedy they gave us a card that's castrated. It was equal or lesser to the 280x in performance, VRAM, etc... but for a negligible price drop. I wish they'd have just replaced the 280x fully and shown us what Tonga can really do.
Edited by iSlayer - 1/10/15 at 3:03pm
 
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