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[Official] AMD R9 290X / 290 Owners Club - Page 1619

post #16181 of 43924
Hey all,

Noticed something interesting. Was thinking about flashing to Tri-x bios (anyone have any experience ?!?!?!) ...and was looking at techpowerup roms for sapphire r9 290s.

http://www.techpowerup.com/vgabios/index.php?architecture=ATI&manufacturer=&model=R9+290&interface=&memType=&memSize=

Older ones have this:

Flags: Optimal Perf
Memory Support
4096 MB, GDDR5, Autodetect
4096 MB, GDDR5, Hynix H5GQ2H24AFR
4096 MB, Unknown, Elpida EDW2032BBBG

New ones have this:

Memory Support
4096 MB, GDDR5, Autodetect
4096 MB, GDDR5, Hynix H5GQ2H24AFR
4096 MB, GDDR5, Elpida EDW2032BBBG_DEBUG2

So maybe the blackscreens and stuff were really due to the elpida memory? I know this is issue probably long fixed but still...thought it was interesting smile.gif
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post #16182 of 43924
hey guys, i thought i'd share this.


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post #16183 of 43924
Coming back to 14.1 drivers. I got issues too, like cut in half lineage 2 performance, blackscreens playing crysis 2 every 10-15 minutes, sometimes even after 2-3mins even at stock speeds. Used driver cleaner to revert back to 13.12, all issues gone like a bad dream smile.gif
post #16184 of 43924
Quote:
Originally Posted by taem View Post

What temps on the cards? I want to crossfire 290 tri-xs but I worry my air cooled mid tower won't be able to dissipate the heat. And what's your case/case fan setup?



The case is CoolerMaster Cosmos S, I added the bottom fan on the back by removing all the spare slot covers and using sticky foam pads to attach the fan on the outside.
All the fans except the side panel are COUGAR 12CM Blue LED Hydraulic (Liquid) Bearing 1200RPM, 64.4CFM, 16.6dBA

The set up including the CPU and mobo is new so I didn't have much time to run many benches or do any overclocking except the GPU memory is set at 1500 Mhz. The CPU is at stock speed.
Ambient temperature 25C on all tests. Display Driver 13.12

After couple runs 3DMARK 11 Performance - Score P20465 LINK
HWiNFO64 Sensors =
Top card - GPU temp 76C, VRM1 79C, VRM2 62C, Fan 50%
Bottom Card - GPU temp 71C, VRM1 71C, VRM2 54C, Fan 50%

Unigine Valley Benchmark 1.0 after 10 minutes pre warming
HWiNFO64 Sensors
Top card - GPU temp 79C, VRM1 82C, VRM2 64C, Fan 50%
Bottom Card - GPU temp 73C, VRM1 73C, VRM2 56C, Fan 50%




The Litecoin mining is real stress test, I have the memory OC at 1500MHZ to get 970 Kh/s hashrate on each card. In order to stop the top card from throttling and occasional blackscreen I increased the voltage by 15 and power by 30.

HWiNFO64 Sensors
Top card - GPU temp 85C, VRM1 99C, VRM2 71C, Fan 80%
Bottom Card - GPU temp 80C, VRM1 79C, VRM2 62C, Fan 68%

For the mining I have custom fan profile set in the MSI Afterburner.
The KILL-A-WAT pull from the wall shows 860 Watts. I usually run the top card at less intensity to avoid the high VRM1 temps, getting about 700 Kh/s hashrate for that card plus being able to use the PC for other work at the same time.

My cards are not sandwiched, there is empty double slot between them, I think you might need water-cooling with 3 cards sandwiched if you are looking for any voltage overclocking.
post #16185 of 43924
Quote:
Originally Posted by rabidz7 View Post

All that the lazies at ATi had to do to slay a TITAN was have 3072 streamies. But they just sat on the couch and watched TV while NVIDIA pounded them. Was it too hard to add 1750MHz VRAM?

pretty sure only 172 of the total 192 units in the chip are enabled on the 290X for both optimization and redundancy, and 1750MHz GDDR5 is only possible on the power-tolerant 384bit (triple channel) memory controller, the 512bit (quad) present in the 290/X is much more power efficient and is more suited for the shader count, high-res textures and ultimately eyefinity, 1440p and 4K monitor setups.

if you manage to get the memory clock to 1600MHz, that's 409.6GB/s max potential memory speed, almost 22% faster then the 780ti's memory on its stock 1750MHz.
   
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post #16186 of 43924
Quote:
Originally Posted by JordanTr View Post

Coming back to 14.1 drivers. I got issues too, like cut in half lineage 2 performance, blackscreens playing crysis 2 every 10-15 minutes, sometimes even after 2-3mins even at stock speeds. Used driver cleaner to revert back to 13.12, all issues gone like a bad dream smile.gif

Do you run Hynix or Elpida? I think Elpida is having issues on 14.1 drivers. (I've conducted a poll for over 10 days and Elpida users are suffering on 14.1).
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post #16187 of 43924
Quote:
Originally Posted by BradleyW View Post

Do you run Hynix or Elpida? I think Elpida is having issues on 14.1 drivers. (I've conducted a poll for over 10 days and Elpida users are suffering on 14.1).

i've got hynix and i've also got issues frown.gif
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post #16188 of 43924
Quote:
The Litecoin mining is real stress test, I have the memory OC at 1500MHZ to get 970 Kh/s hashrate on each card. In order to stop the top card from throttling and occasional blackscreen I increased the voltage by 15 and power by 30.

Yes mining is the real stress test. I have power increased by 40 voltage by 30mv, my R9 290 is running at 50c full load under water. 1140core/1600 mining getting hash rates just over 1000 k/hash. Took awhile to find the right settings for mining. Adding core mhz didn't help past 1140, adding memory mhz gains stopped at 1500mhz. Between 1500-1600 was a mixed bag. Then magically at 1600mhz memory and only 1140 core did I manage to break the 1000 k/hash barrier.

Current settings for me are tc-24600, worksize-512, vectors-1, gpu threads-1,gpu lockup-1, Intensity 19 (intensity 20 reduced hash rate)

using cgiminer 3.5

cat version 13:12


I would like to note have issues with 14.1 and my R9 get black artifacts all over the screen. I have Hynix memory. 14.1 drivers are truely beta drivers and I will wait for later revisions.
Edited by ebduncan - 2/10/14 at 4:43pm
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post #16189 of 43924
Quote:
Originally Posted by Paul17041993 View Post

pretty sure only 172 of the total 192 units in the chip are enabled on the 290X for both optimization and redundancy, and 1750MHz GDDR5 is only possible on the power-tolerant 384bit (triple channel) memory controller, the 512bit (quad) present in the 290/X is much more power efficient and is more suited for the shader count, high-res textures and ultimately eyefinity, 1440p and 4K monitor setups.

if you manage to get the memory clock to 1600MHz, that's 409.6GB/s max potential memory speed, almost 22% faster then the 780ti's memory on its stock 1750MHz.

176 TMUs on a 290X are enabled.

160 TMUs are enabled on the 290.

Close, but not quite accurate.
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post #16190 of 43924
Quote:
Originally Posted by neurotix View Post

176 TMUs on a 290X are enabled.

160 TMUs are enabled on the 290.

Close, but not quite accurate.


why amd would not use 192 units? im curious smile.gif thanks
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