PC Perspective Podcast #402 – 06/03/2016
Join us this week as we discuss the GTX 1070 Review, i7-6950X Review, AMD Radeon RX480, Aftermarket GTX 1080’s, Tiny SSDs, Computex 2016, and more!
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This episode of the PC Perspective Podcast is sponsored by Casper!
Hosts: Ryan Shrout, Jeremy Hellstrom, Josh Walrath, Allyn Malventano, and Sebastian Peak
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Week in Review:
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Casper!
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News items of interest:
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0:51:28 AMD Radeon RX 480
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1:12:09 Aftermarket GTX 1080s are here!
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1:27:25 ASUS Computex 2016
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1:39:00 EVGA Computex 2016
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Hardware/Software Picks of the Week
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Ryan: Tunnelbear VPN
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Jeremy: DAN Cases A4-SFX, nice looking
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Allyn: Break down and organize / lookup all of those Amazon boxes.
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Sebastian: MLB games in glorious 1080p/60!
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Closing/outro
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Tunnelbear is an awesome VPN.
Tunnelbear is an awesome VPN. Only VPN that worked well with streaming Loss less audio to my tablet out of the UK into the US. All the other VPN’s I found couldn’t keep up with the large amount of data and I would constantly buffer. Another bonus is its like 3 bucks a month for a unlimited data subscription on tablet only.
oooh did Josh was in charge
oooh did Josh was in charge of posting the podcast this week ? 😉
Nope! They wouldn’t trust me
Nope! They wouldn't trust me with such important work anyway.
Josh has moved from Comcast
Josh has moved from Comcast to Google fiber? 🙂
Even if due to luck, a nice change, always interested what he has to say.
Well, that’s two weeks in a
Well, that's two weeks in a row! Let's hope for a third… and fourth…
Got to love how Sebastian
Got to love how Sebastian brought up the GTX 1080 throttling issue and everyone else was dead silent. Like PCPerspective is in full ignore mode on the matter including the fan revving issue and other sites are doing more then just a quick benchmark test run.
I take it back Ryan did do it with the 390X he went to great lengths to caution its buyers unfortunately now that Nvidia has a sustaining clock issue even on open air test benches and fan revving issue with retail cards. He a mute.
Sebastian is the case guy its sad when your case reviewer knows more about the GPU issues that your boss isn’t covering by reading other sites.
there are no throttling
there are no throttling “issues” as long as the card doesn’t fall below the base clock. this is just how Boost works.
if you want to maintain boost clocks at all times, simply raise the power and temp limits, use a custom fan profile of your liking and forget about it.
http://media.bestofmicro.com/
http://media.bestofmicro.com/W/3/581763/gallery/01-Clock-Rate_w_600.png
That’s an open air test bench. One can only imaging once its put into a case. European sites have more extensive testing and show similar results.
While I think PCPer should
While I think PCPer should discuss this issue in a little more detail.. the graphs are telling that this isn’t a serious problem..
Furmark is pretty much the worst case “Ever” test; so yes that’s going to throttle out of boost and back to base clock as shown here.
Metro last light @ 4K 100% shows that the founders cooler has enough beans to run the game at approximately 2 Ghz (with whatever voltage that entailed), vs some lower fan setting which drops the clock to 1600 mhz over time.
A well designed case may actually help these scenarios because you’ll be constantly getting cool air in from one location, as opposed to possible recirculation of warm air around the GPU. (Remember heat is both radiant and convective).
What this GPU doing is just the reality of all thermally constrained processors today — i’d rather have a processor that can occasionally run faster in the right conditions than *never* run faster in any condition because of an artificial cap on clock speed..
John
Hot Chips: A Symposium on
Hot Chips: A Symposium on High Performance Chips
Flint Center, Cupertino, CA, Sunday-Tuesday, August 21-23, 2016.
5:45 PM Tue 8/23/2016 Conf. Day2:
Processors:
Inside 6th generation Intel Core code named Skylake:: New Microarchitecture and Power Management Jack Doweck Intel
POWER9: Processor for the Cognitive Era Brian Thompto IBM
A New, High Performance x86 Core Design from AMD Michael Clark AMD
Pentium II 300 launched at
Pentium II 300 launched at $1,981.. in 1997. or $2,953 in 2016 dollars. Subsequent chips were launched at $800 or lower (until P3-1 Ghz), even the highest end.. thanks to AMD..
and Josh is right on about the P3-1.13 Ghz failure. That was a great time for competition!
Yeah, the race to 1 GHz was
Yeah, the race to 1 GHz was pretty exciting. AMD had that one in the bag. I guess that yields of 1 GHz PIIIs were so bad it was like a 10 to 1 ratio of K7s to PIIIs sold at the 1 GHz mark. Then the 1.133 debacle…
Comparing the TFLOPS ratings
Comparing the TFLOPS ratings probably inflates Nvidia’s apparent efficiency. That max TFLOP rating is probably at the base clock, and Nvidia cards should rarely be operating at the base clock in real games. The clock speed variation (between base and boost) has generally been smaller for AMD parts. For DX11 titles, Nvidia definitely seems to reach much higher efficiency, but I suspect that it took truly EPIC driver (and shader compiler) development to reach that level. Under DX12, AMD parts do much better. The 390x is often right up with the 980 or even the 980 Ti in DX12 benchmarks. I always thought that game or even engine specific driver optimization was a hack. DX12 and Vulkan (both of which seem to have been driven by Mantle) should allow for much better optimization from the start without resorting to optimizing the driver. I would not assume that Nvidia cards will have a large efficiency lead going forward. It may be the case though that Nvidia will still have a slight performance per unit power lead though. That will be important for mobile, but for desktop, price almost always trumps small power consumption differences. The Polaris architecture will include quite a few efficiency boosting technologies, like updated color compression and such, so they will be more efficient than previous generation parts, even without the massive process technology boost.