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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1865

post #18641 of 38704
Quote:
Originally Posted by SkateZilla View Post

Quote:
Originally Posted by disintegratorx View Post

Ehh, depends on what game you're talking about. For me to be able to play BF3 at around 60+ frames per second, I had to overclock my 7970 to 1110 and memory to 1500 as well as apply a few other tweaks, so its really depending on the game that you're trying to get that much performance out of.

shouldnt a 7970 already have had 6Ghz Memory??

it comes down to the card which i have noticed that the 7970's i have looked at range between 1325 (5300) and 1425 (5700) for memory so close enough to 1500 (6000) so they should easily do 1500 in memory.
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post #18642 of 38704
hey guys i need help.....
i have xfx r7950...great card..cool and quiet but i have one problem.when i connect my card via hdmi with my tv i have random black screens and i need to hard reset my pc.
when connected with dvi(monitor) everything is ok and 100% stable. cable is ok,temp ok....i tried all drivers

how can i fix this
thanks smile.gif
post #18643 of 38704
Quote:
Originally Posted by SkateZilla View Post

If I wasnt a Die hard AMD Fanboy from the K6's on up, I'd have an i7 Ivy Bridge..
But Im am an AMD Fanboy, so I back my FX8Core, like i said above, 8 integer cores has advantages over the IBs 4, No one ever benchmark's them like that.
in fact, If I ran Cinebench while doing all of what I did, it would complete and give me a score.
i bet if I was able to get Chinebench to run on a i5 or i7 while doing all that, it would be an Abysmal score.

I hate to say it, but a 2600k will beat the FX processors even under these conditions. In most tasks. If you want to talk pure integer performance then yes the Fx comes out on top. What hurts the FX processors the most is the shared front end which is only fast enough to feed 1 core, or two cores at 80%. This combined with weaker IPC compared to Intel processors is why it sits between a i5 and a i7 in multi thread. Its single thread performance is dismal. I hate to say it, but its true. I've owned Amd processors since their 386 days.

Yes more and more things are coded with muti-core cpus in mind these days. However not all of them are, quite yet. With the emergence of multi-core cell phones and other devices should provide the last push needed for programmers to always do this. However some code paths cannot always be split across multiple cores.

Quote:
Originally Posted by boletop View Post

hey guys i need help.....
i have xfx r7950...great card..cool and quiet but i have one problem.when i connect my card via hdmi with my tv i have random black screens and i need to hard reset my pc.
when connected with dvi(monitor) everything is ok and 100% stable. cable is ok,temp ok....i tried all drivers
how can i fix this
thanks smile.gif

Does your Tv have a PC mode? The reason you loose picture and have to reset is possibly due to two things. Your computer goes into sleep mode, So the HDMI stop outputting video, when the computer comes out of sleep mode your monitor doesn't re-sync with the hdmi connection. Reason two, your monitor goes into power saving mode and cuts off, when you come back to the computer it doesn't re-sync with the HDMI automatically. Putting your TV into PC mode should fix this issue if it has one. If not, you should be able to turn your monitor off then back on, with out having to reboot the pc to get picture.
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post #18644 of 38704
my tv is panasonic g30 and dont have pc mode :/....black screen happens when i play games or watching movie so i dont think that my pc go to sleep.also i tried just connect my pc with tv via hdmi and disconect monitor and no help....i also tried via mini dp and no help....frown.gif
post #18645 of 38704
Quote:
Originally Posted by stubass View Post

it comes down to the card which i have noticed that the 7970's i have looked at range between 1325 (5300) and 1425 (5700) for memory so close enough to 1500 (6000) so they should easily do 1500 in memory.

Well my 7950 Runs 6Ghz mem with no problems. small 3dMark increase, but a huge FPS Increase in some games that are memory intensive.
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post #18646 of 38704
Quote:
Originally Posted by SkateZilla View Post

Quote:
Originally Posted by stubass View Post

it comes down to the card which i have noticed that the 7970's i have looked at range between 1325 (5300) and 1425 (5700) for memory so close enough to 1500 (6000) so they should easily do 1500 in memory.

Well my 7950 Runs 6Ghz mem with no problems. small 3dMark increase, but a huge FPS Increase in some games that are memory intensive.

i highly dount you would have any problems, i am able to get my 7950 upto 1725 (6900) so you could even try and go higher if you like thumb.gif

BTW i was looking at stock clocks of 7970's that i have looked up smile.gif
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post #18647 of 38704
i know mine was 900core/1250mem stock

if i need the power i load my 1.2Ghz/6Ghz Profile which works on pretty much everything.

outside of BF3 and a few other games, I drop it to default settings and let it sit at 500Mhz on the Desktop.

as for FX.

8 integ threads at 80% is better than 4 at 100% on a 4 Core Intel or 8 at 50% on a Hyperthreading 4core intel,. even with the IPC advantage. (statistically speaking).

Dont get me wrong, no normal user, normal gamer or hardcore gamer for that matter can thread lock up an i5, let alone an i7. just doing their normal every day gaming and Overclocking. (they can Lock it up with wrong OC settings, but thats not the same tongue.gif )


But someone that forces threads apon threads into the work load can easily lock up chips forcing a complete power cycle to release the threads by wiping the ICs.

I've locked up i3's easily, and i5s/i7s with alot more effort. (when i say alot, i mean A LOT, like double an i3's workload.)

It took ALOT of stuff to crash my FX8120. I think it took several VMs (Windows XP w/ 1GB 1 Core each x 5) plus a bunch of Scans and X.264 Compressions running CPU only out of Vegas. Even then it wasnt a hard lockup crash. Windows 7 Killed 2 of the VM Processes and the CPU recovered.

I was finally able to Thread Lock an FX8 by Running every CPU Intensive thing I could think of, Plus Cinebench, Plus AMD Stability, plus a single VM running half the cores with even more scans on Virtual Drives.


I dont recommend trying it.

Cramming a ton of threads onto a CPU usually doesnt end well if done wrong.
the FX Scheduler maybe a slow bottle neck of a front end, but at least it's able to direct traffic when jammed up. which more than I can say for some other AMD CPUs, and some Intel Chips.

If AMD was able to remove the IPC Gap (which in theory they should), and correct the front end bottle neck (by dumping that cheap ass cache and stuff), FX 8550 or whatever they call it will be a nice CPU.
Edited by SkateZilla - 12/10/12 at 1:17pm
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post #18648 of 38704
Can people with the MSI twin frozr 7950 tell me their max OCs. And does the vrm get hot?
Edited by geoxile - 12/10/12 at 1:13pm
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post #18649 of 38704
Quote:
Originally Posted by SkateZilla View Post

i know mine was 900core/1250mem stock

if i need the power i load my 1.2Ghz/6Ghz Profile which works on pretty much everything.

outside of BF3 and a few other games, I drop it to default settings and let it sit at 500Mhz on the Desktop.

nice, i am sure that OC will handle pretty much everything you throw at it. i wish i could get my core stable at 1200 instead of 1155 not that i can complain redface.gif
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Going to be chaep
(16 items)
 
Wife's Rig
(12 items)
 
 
CPUMotherboardGraphicsRAM
i7-3770k Gigabyte GA-Z77X-UP5 TH MSI GTX460 G.Skill TridentX 2400 2 x 4GB 
Hard DriveHard DriveOptical DriveCooling
Plextor M5p 128GB 2 x WD 500GB Blues LG Prolimatech Megahalems Rev C 
CoolingOSMonitorPower
Arctic F12 CO PWM x 2 Push/Pull Windows 7 64 bit Ultimate LG IPS235V Corsair AX850 
Case
Coolermaster HAF 912 advanced (Asia version) 
CPUMotherboardGraphicsRAM
I5-3570K Gigabyte Z68X-UD3H-B3 Inno3D Ichill GTX660 8GB G.Skill RipjawsX 1600 
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Samsung 830 128GB WD black 500GB Liteon Coolermaster Hyper 212+ EVO 
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Win 7 ultimate Samsung Syncmaster 932gwe+ OCZ ZT series 550W Coolermaster 410 
CPUMotherboardRAMHard Drive
1.67Ghz Atom stock 1GB DDR2 2 x 500GB Western Digital Cavier Blacks [RAID 1] 
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stock DSM3.2 [built on linux] stock stock 
OtherOther
Synology DX510 Expansion unit 5 x 1TB WD Cavier Blacks in a RAID 6 
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post #18650 of 38704
it took alot of testing,

i had increased mv, alot, then decided to drop them a lil, which ended up working,

i think i was at 1160 at 1125Mhz, think it took 1220 to get it stable at 1200MHz, it was about 0050mv per 75Mhz, but the last jump I decreased mv to 1220 from 1235 to get it stable. i also pushed the Power all the way up to +20.

I can run everything i want at 1.1Ghz let alone 1.2Ghz, but I leave it at the 900Mhz clock for most games, as Excessive Voltage kills IC just as much as heat does.
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CPUMotherboardGraphicsGraphics
AMD FX-8350 Vishera 4.0GHz (4.2GHz Turbo)  ASRock Fatal1ty 990FX Professional AM3+ AMD 990FX SAPPHIRE Radeon HD 7950 OC 3GB ( 11196-02-40G) ... MSI R7970 Lightning Radeon HD 7970 3GB 
GraphicsRAMHard DriveOptical Drive
MSI R7970 Lightning Radeon HD 7970 3GB G.SKILL Sniper Gaming Series 16GB DDR3 1600 (PC...  Western Digital Caviar Black WD1502FAEX 1.5TB ... ASUS DRW-24B1ST/BLK/B/AS Black SATA 24X DVD Burner 
CoolingOSMonitorMonitor
Corsair H100 Extreme Performance CPU Cooler Windows 7 Ultimate 64-Bit ASUS VS248H-P Black 24" 2ms HDMI LED ASUS VS248H-P Black 24" 2ms HDMI LED 
MonitorMonitorKeyboardPower
ASUS VS248H-P Black 24" 2ms HDMI LED Acer AL2002W Silver 20" DVI 16:10  Saitek Eclipse II USB CORSAIR RM Series RM850 850W 
CaseMouseMouse PadAudio
Cooler Master HAF 922 Logitech M100 USB ALLSOP Metal Art Creative Sound Blaster X-Fi Platinum Fatal1ty C... 
OtherOtherOtherOther
Black Magic Intensity Pro 10-Bit HDMI Track IR 4 Pro Ceton InfiniTV 4 PCIe CH Products Pro Pedals 
OtherOtherOtherOther
CH Fighter Stick and Pro Throttle Fanatec Forza Motorsport CSR Wheel Fanatec CSR Shifter Set US Fanatec CSR Elite Pedals US 
CPUMotherboardGraphicsRAM
AMD FX-8120 Zambezi 3.1GHz (FD8120FRGUBOX ) ASRock 990FX Extreme4 SAPPHIRE 100354XTL Radeon HD 7870 XT w/Boost 2G... G.SKILL Sniper Gaming Series 16GB (F3-12800CL9Q... 
Hard DriveOptical DriveCoolingOS
Western Digital WD Black WD1002FAEX 1TB 7200 RP... ASUS 24X DVD Burner (Model DRW-24B1ST/BLK/B/AS ... CORSAIR Hydro Series H100 (CWCH100) Extreme Per... Windows 7 Ultimate 64-Bit 
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Microsoft SIDEWINDER X4 Keyboard OCZ ModXStream Pro 700W Modular High Performanc... COOLER MASTER HAF 922 RC-922M-KKN3-GP Creative Sound Blaster X-Fi XtremeGamer Fatal1t... 
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Western Digital WD Black WD6401AALS 640GB 7200 ... ASUS DRW-24B1ST/BLK/B/AS Black SATA 24X DVD Burner Stock Cooling Windows 7 Home Premium 
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Hanns·G HZ201HPB Black 20" 5ms HDMI Widescreen Rosewill RK-7310 Black USB OCZ ModXStream Pro 700W Modular High Performanc... Rosewill Blackbone Black Steel / Plastic ATX Mi... 
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