Video Perspective: GPU Shortages and Litecoin Mining Discussion

Subject: Graphics Cards | December 12, 2013 - 05:20 PM |
Tagged: video, amd, radeon, hawaii, r9 290, R9 290X, bitcoin, litecoin, mining

If you already listened to this weeks PC Perspective Podcast, then feel free to disregard this post.  For the rest of you - subscribe to our damned weekly podcast would you already?!?

In any event, I thought it might be interesting to extract this 6 minute discussion we had during last nights live streamed podcast about how the emergence of Litecoin mining operations is driving up prices of GPUs, particularly the compute-capable R9 290 and R9 290X Hawaii-based cards from AMD.

Check out these prices currently on Amazon!

The price of the GTX 770 is a bit higher than it should be while the GTX 780 and GTX 780 Ti are priced in the same range they have been for the last month or so.  The same cannot be said for the AMD cards listed here - the R9 280X is selling for $130 more than its expected MSRP at a minimum but you'll see quite a few going for much higher on Amazon, Ebay (thanks TR) and others.  The Radeon R9 290 has an MSRP of $399 from AMD but the lowest price we found on Amazon was $499 and anything on Newegg.com is showing at the same price, but sold out.  The R9 290X is even more obnoxiously priced when you can find them.

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Do you have any thoughts on this?  Do you think Litecoin mining is really causing these price inflations and what does that mean for AMD, NVIDIA and the gamer?

Podcast #279 - R9 290 Variance Issues, OCZ's Bankruptcy, Kaveri Leaks and more!

Subject: General Tech | December 4, 2013 - 05:10 PM |
Tagged: video, ultrasharp, toshiba, R9 290X, r9 290, podcast, ocz, Kaveri, dell, amd, A10-7850K, A10-7700K, 4k

PC Perspective Podcast #279 - 12/04/2013

Join us this week as we discuss R9 290 Variance Issues, OCZ's Bankruptcy, Kaveri Leaks and more!

You can subscribe to us through iTunes and you can still access it directly through the RSS page HERE.

The URL for the podcast is: http://pcper.com/podcast - Share with your friends!

  • iTunes - Subscribe to the podcast directly through the iTunes Store
  • RSS - Subscribe through your regular RSS reader
  • MP3 - Direct download link to the MP3 file

Hosts: Ryan Shrout, Jeremy Hellstrom, Josh Walrath, and Scott Michaud

 
Program length: 1:18:11
  1. Week in Review:
  2. 0:31:05 This episode is brought to you by Carbonite.com! Use offer code PC for two free months!
  3. Hardware/Software Picks of the Week:
  4. Closing/outro

So Apparently Some R9 290 Cards Can Flash in to a 290X?

Subject: General Tech, Graphics Cards | November 26, 2013 - 03:18 AM |
Tagged: R9 290X, r9 290, amd

Multiple sites are reporting that some AMD's Radeon R9 290 cards could be software-unlocked into 290Xs with a simple BIOS update. While the difference in performance is minor, free extra shader processors might be tempting for some existing owners.

"Binning" is when a manufacturer increases yield by splitting one product into several based on how they test after production. Semiconductor fabrication, specifically, is prone to constant errors and defects. Maybe only some of your wafers are not stable at 4 GHz but they can attain 3.5 or 3.7 GHz. Why throw those out when they can be sold as 3.5 GHz parts?

amd-gpu14-06.png

This is especially relevant to multi-core CPUs and GPUs. Hawaii XT has 2816 Stream processors; a compelling product could be made even with a few of those shut down. The R9 290, for instance, permits 2560 of these cores. The remaining have been laser cut or, at least, should have been.

Apparently certain batches of Radeon R9 290s were developed with fully functional Hawaii XT chips that were software locked to 290 specifications. There have been reports that several users of cards from multiple OEMs were able to flash a new BIOS to unlock these extra cores. However, other batches seem to be properly locked.

This could be interesting for lucky and brave users but I wonder why this happened. I can think of two potential causes:

  • Someone (OEMs or AMD) had too many 290X chips, or
  • The 290 launch was just that unprepared.

Either way, newer shipments should be properly locked even from affected OEMs. Again, not that it really matters given the performance differences we are talking about.

Source: WCCFTech

Podcast #277 - GTX 780Ti, OCZ Vector 150 SSD, Details about Kaveri, and much more from APU13!

Subject: General Tech | November 14, 2013 - 12:38 AM |
Tagged: podcast, video, gtx 780ti, Vector 150, ocz, r9 290, R9 290X, 290, 290x, WD, My Cloud, EX 4

PC Perspective Podcast #277 - 11/14/2013

Join us this week as we discuss the GTX 780Ti, OCZ Vector 150 SSD, Details about Kaveri, and much more from APU13!

You can subscribe to us through iTunes and you can still access it directly through the RSS page HERE.

The URL for the podcast is: http://pcper.com/podcast - Share with your friends!

  • iTunes - Subscribe to the podcast directly through the iTunes Store
  • RSS - Subscribe through your regular RSS reader
  • MP3 - Direct download link to the MP3 file

Hosts: Ryan Shrout, Jeremy Hellstrom, Josh Walrath, and Allyn Malventano

 
Program length: 1:09:03
  1. Reminder about Halloween contest - update when I get home
  2. Week in Review:
  3. 0:30:50 This episode is brought to you by Carbonite.com! Use offer code PC for two free months!
  4. Closing/outro

Author:
Manufacturer: AMD

An issue of variance

AMD just sent along an email to the press with a new driver to use for Radeon R9 290X and Radeon R9 290 testing going forward.  Here is the note:

We’ve identified that there’s variability in fan speeds across AMD R9 290 series boards. This variability in fan speed translates into variability of the cooling capacity of the fan-sink.

The flexibility of AMD PowerTune technology enables us to correct this variability in a driver update. This update will normalize the fan RPMs to the correct values.

The correct target RPM values are 2200RPM for the AMD Radeon R9 290X ‘Quiet mode’, and 2650RPM for the R9 290. You can verify these in GPU-Z.

If you’re working on stories relating to R9 290 series products, please use this driver as it will reduce any variability in fan speeds. This driver will be posted publicly tonight.

Great!  This is good news!  Except it also creates some questions. 

When we first tested the R9 290X and the R9 290, we discussed the latest iteration of AMD's PowerTune technology. That feature attempts to keep clocks as high as possible under the constraints of temperature and power.  I took issue with the high variability of clock speeds on our R9 290X sample, citing this graph:

clock-avg.png

I then did some digging into the variance and the claims that AMD was building a "configurable" GPU.  In that article we found that there were significant performance deltas between "hot" and "cold" GPUs; we noticed that doing simple, quick benchmarks would produce certain results that were definitely not real-world in nature.  At the default 40% fan speed, Crysis 3 showed 10% variance with the 290X at 2560x1440:

Crysis3_2560x1440_OFPS.png

Continue reading our coverage of the most recent driver changes and how they affect the R9 290X and R9 290!!

PC Perspective Podcast #276 - AMD Radeon R9 290, Gigabyte Z87X-UD5H, SSD Torture tests and more!

Subject: General Tech | November 7, 2013 - 05:12 PM |
Tagged: Z87X-UD5H, video, R9 290X, r9 290, podcast, nvidia, gtx 780, grid, ec2, amd, amazon

PC Perspective Podcast #276 - 11/07/2013

Join us this week as we discuss the AMD Radeon R9 290, Gigabyte Z87X-UD5H, SSD Torture tests and more!

You can subscribe to us through iTunes and you can still access it directly through the RSS page HERE.

The URL for the podcast is: http://pcper.com/podcast - Share with your friends!

  • iTunes - Subscribe to the podcast directly through the iTunes Store
  • RSS - Subscribe through your regular RSS reader
  • MP3 - Direct download link to the MP3 file

Hosts: Ryan Shrout, Jeremy Hellstrom, Josh Walrath, and Allyn Malventano

 
Due to a recording error, portions of the audio track are missing. Because of this, the audio will skip around in various places. This is actually happening, and you aren't crazy (well maybe, but not because of the audio). Considering these files were almost not recovered, it's a miracle we have this much of the recording.
 
Program length: 0:47:56
  1. Week in Review:
  2. Hardware/Software Picks of the Week:
  3. podcast@pcper.com
  4. Closing/outro

 

For AMD, X does not mark the spot

Subject: General Tech | November 5, 2013 - 01:22 PM |
Tagged: radeon, r9 290, hawaii, crossfire, amd, 290x, powertune

How does all the power of a GTX 780 for a price tag $100 lower sound to you?  Honestly it might sound a little loud as the reference cooler on the R9 290 can be a little loud at 50% which is the speed you need to be able to keep this card running full out.  As long as you don't mind the sound or are willing to wait for custom air or water cooling solutions there are no negatives about the 290.  Frame pacing makes Crossfire much smoother and it sports the hardware improvements for EyeFinity to improve your experience in 4K and multi-monitor usage.  [H]ard|OCP actually uses the word epic just before giving this card a Gold Award, check out their full review here.

Ryan's review, including Frame Rating can be found by clicking here.

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"It is time now to look at AMD's Radeon R9 290. This lower-cost R9 290 series video card packs a punch, not only in performance, but also in price. Watch it compete with the GeForce GTX 780, and win while being priced lower. This is the value you have been waiting for with gaming performance."

Here are some more Graphics Card articles from around the web:

Graphics Cards


Source: [H]ard|OCP
Author:
Manufacturer: AMD

More of the same for a lot less cash

The week before Halloween, AMD unleashed a trick on the GPU world under the guise of the Radeon R9 290X and it was the fastest single GPU graphics card we had tested to date.  With a surprising price point of $549, it was able to outperform the GeForce GTX 780 (and GTX TITAN in most cases) while under cutting the competitions price by $100.  Not too bad! 

amd1.jpg

Today's release might be more surprising (and somewhat confusing).  The AMD Radeon R9 290 4GB card is based on the same Hawaii GPU with a few less compute units enabled (CUs) and an even more aggressive price and performance placement.  Seriously, has AMD lost its mind?

Can a card with a $399 price tag cut into the same performance levels as the JUST DROPPED price of $499 for the GeForce GTX 780??  And, if so, what sacrifices are being made by users that adopt it?  Why do so many of our introduction sentences end in question marks?

The R9 290 GPU - Hawaii loses a small island

If you are new to the Hawaii GPU and you missed our first review of the Radeon R9 290X from last month, you should probably start back there.  The architecture is very similar to that of the HD 7000-series Tahiti GPUs with some modest changes to improve efficiency with the biggest jump in raw primitives per second to 4/clock over 2/clock.

diagram1.jpg

The R9 290 is based on Hawaii though it has four fewer compute units (CUs) than the R9 290X.  When I asked AMD if that meant there was one fewer CU per Shader Engine or if they were all removed from a single Engine, they refused to really answer.  Instead, several "I'm not allowed to comment on the specific configuration" lines were given.  This seems pretty odd as NVIDIA has been upfront about the dual options for its derivative GPU models.  Oh well.

Continue reading our review of the AMD Radeon R9 290 4GB Graphics Card Review!!!