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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 3595

post #35941 of 38735
Quote:
Originally Posted by Jflisk View Post

Mining has not fallen through yet bit is still 450+ light is still 12.00+ But now all the miners are turning to gridseeds basically 350+ KHS with 10W over head per device.So its cheaper to mine with grids then GPUs. But unlike GPUs all grids do is mine.

Sorry, I meant GPU Mining is falling through.

10w Per Device and 20w for 700 KHS is better than what the 7900s do in KW Per KHS by a Large margin.

These Guys that have crate rigs running 6 mainboards with 6 GPUs Each... Assuming they suck 300w each,
Thats 10,800watts / day, assuming kw is $0.10, that's about $25 a day and $2365/Qtr and $9460/year.

Vs 720w / day @ $0.10, that's about $1.68 /day, $153/Qtr, and $613/yr.

And that's not counting reduced cooling costs in the summer due to the lack of 36 GPUs putting out heat, you can further reduce the GS's power consumption by removing the fans and stacking them in a tower and building a chill tower (stack them and enclose them in a tube w/ a single High CFM Fan blowing Cool Air through it.)

1 GS costs about $260/each,
1 7970 was running about $400,
So the prices are within a margin, with the GPU being a about $100 cheaper,

But when you look at power consumption and heat, the GS's are the obvious choice.

not to even mention Space.... ..
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post #35942 of 38735
Hey so what kind of voltages (Core and Memory) are safe? I have only managed to get my 7950 stable at 1150/1500 with 1.237v core and 1594 mV on the memory. Im reluctant to push it harder since its on air...
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post #35943 of 38735
Quote:
Originally Posted by SkateZilla View Post

Sorry, I meant GPU Mining is falling through.

10w Per Device and 20w for 700 KHS is better than what the 7900s do in KW Per KHS by a Large margin.

These Guys that have crate rigs running 6 mainboards with 6 GPUs Each... Assuming they suck 300w each,
Thats 10,800watts / day, assuming kw is $0.10, that's about $25 a day and $2365/Qtr and $9460/year.

Vs 720w / day @ $0.10, that's about $1.68 /day, $153/Qtr, and $613/yr.

And that's not counting reduced cooling costs in the summer due to the lack of 36 GPUs putting out heat, you can further reduce the GS's power consumption by removing the fans and stacking them in a tower and building a chill tower (stack them and enclose them in a tube w/ a single High CFM Fan blowing Cool Air through it.)

1 GS costs about $260/each,
1 7970 was running about $400,
So the prices are within a margin, with the GPU being a about $100 cheaper,

But when you look at power consumption and heat, the GS's are the obvious choice.

not to even mention Space.... ..

By the way gridseeds are down to $150 shipped.
post #35944 of 38735
Well, Sorry again.... that just makes it more of a better decision to go with them.
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post #35945 of 38735
So is there a way to push AB core voltage past 1300? I just cant get stable at 1200/1500 despite maxing out the slider. On 1150/1500 im stable at 1237 so this seems like a pretty huge voltage wall. I have already enabled unofficial overclocking.
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post #35946 of 38735
Hey guys, don't know if this has been discussed before but I have a 7970 in my system and recently bought a 7990 for Tri Fire, but first I want to test the new GPU out. My question is, seeing as how the 7990 is 2 7970's, can I just pop the 7970 out and install the 7990 (physically) without having to reinstall drivers? AMD drivers have always been hit and miss for me and I really don't want to have to reinstall for the new card. If not, how would I go about installing drivers for the card? Install the 7990 drivers over the 7970?
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post #35947 of 38735
The latest drivers should be ok. Windows may ask you to restart but its essentially the same driver for all amd gpu's. You don't have to do a fresh install tbh.
post #35948 of 38735
Quote:
Originally Posted by trojan92 View Post

Hey guys, don't know if this has been discussed before but I have a 7970 in my system and recently bought a 7990 for Tri Fire, but first I want to test the new GPU out. My question is, seeing as how the 7990 is 2 7970's, can I just pop the 7970 out and install the 7990 (physically) without having to reinstall drivers? AMD drivers have always been hit and miss for me and I really don't want to have to reinstall for the new card. If not, how would I go about installing drivers for the card? Install the 7990 drivers over the 7970?


When the drivers are installed. The screen may turn black and not recover. Down load the newest 14.4 drivers just to have on hand. You may need to do a custom install then just install the drivers first then catalyst. I had the 7990 they are popular for doing this. If you need to remove everything look up (DDU) display driver uninstaller. It is safe for win 8 and 8.1 DO NOT use the Amd uninstall utility it will kill 8 or 8.1. thumb.gif
post #35949 of 38735
Quote:
Originally Posted by trojan92 View Post

Hey guys, don't know if this has been discussed before but I have a 7970 in my system and recently bought a 7990 for Tri Fire, but first I want to test the new GPU out. My question is, seeing as how the 7990 is 2 7970's, can I just pop the 7970 out and install the 7990 (physically) without having to reinstall drivers? AMD drivers have always been hit and miss for me and I really don't want to have to reinstall for the new card. If not, how would I go about installing drivers for the card? Install the 7990 drivers over the 7970?

I would reinstall the drivers. It will save you alot of headaches later trust me. thumb.gif What problems are you having with the drivers that makes you not want to reinstall?
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post #35950 of 38735
Quote:
Originally Posted by trojan92 View Post

Hey guys, don't know if this has been discussed before but I have a 7970 in my system and recently bought a 7990 for Tri Fire, but first I want to test the new GPU out. My question is, seeing as how the 7990 is 2 7970's, can I just pop the 7970 out and install the 7990 (physically) without having to reinstall drivers? AMD drivers have always been hit and miss for me and I really don't want to have to reinstall for the new card. If not, how would I go about installing drivers for the card? Install the 7990 drivers over the 7970?

Like others have said, you wouldn't need a different driver version. Personally, when I switched from my 7950 to the 7990, I don't think I messed with drivers at all. If I remember correctly.
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CPUMotherboardGraphicsRAM
[Intel] i5-3570K [MSI] Z77A-GD65 Gaming [Sapphire] HD 7990 "Malta" 6GB [Avexir] Core Series 4x4 DDR3-1600 (Red LED) 
Hard DriveCoolingCoolingCooling
[Samsung] 840 EVO 250GB SSD [Arctic Cooling] Liquid Freezer 120 [SilenX] Effizio 120mm Case Fan [SilenX] Effizio 120mm Case Fan 
CoolingCoolingOSMonitor
[SilenX] Effizio 80mm Case Fan [SilenX] Effizio 80mm Case Fan [Microsoft] Windows 7 Professional 64-bit [Dell] Ultrasharp U2312HM 1920x1080 
MonitorKeyboardPowerCase
[Dell] Ultrasharp U2312HM 1920x1080 [WASD] Code TKL with Cherry MX Clear Switches [Seasonic] X-850 [Riotoro] CR1080 
MouseMouse PadAudioAudio
[Logitech] G600 [XTracPads] Ripper XXL Gaming Mat [M-Audio] Studiophile Q40 [Fiio] E10 USB Amp/DAC 
AudioOtherOther
[Samson] Go Mic [Bitfenix] Alchemy Sleeved Cable Extensions [NZXT] Sleeved White LED Kit 
CPUMotherboardGraphicsRAM
[Intel] i7-6700HQ [Sager] NP8657-S (Clevo P650RE3) [Nvidia] GTX 970M 3GB [Generic] 2x8 DDR4-2133 
Hard DriveHard DriveOSMonitor
[Samsung] 850 EVO 250GB M.2 SSD [Generic] 2TB 5400RPM HDD [Microsoft] Windows 10 Pro 64-bit [Sager] 15.6" 1920x1080 
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