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sapphire 7870 overclocking please help

post #1 of 8
Thread Starter 
Hey!
So I have been trying to overclock my 7870 with msi afterburner. For some reason even when going into the safety setting and checking unlock voltage control it still will not let me touch the voltage control???

Anyways I tried putting the core to 1200 and the memory to 1300 and in OCCT it gives me no errors but in battlefield 3 on ultra it crashes..


any ideas why I can't change voltage and any other help? Also what are your overclocked settings?
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post #2 of 8
Thread Starter 
Alright i got msi afterburner to work. I set the voltage to 1299 (highest) and have the core at 1225 and memory at highest 1450...

battlefield 3 on ultra is getting constand 60FPS now barely ever dropping to 55... so happy!!

Anyone else have this card? Experiences?
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i7 950 @ 4.0 Ghz Gigabyte GA-X58A-UD3R xfx radeon 7950 patriot viper 3 8gb 1600mhz 
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curcial mx100 512gb windows 8.1 64bit LG 34um95 Cooler Master GX750 
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post #3 of 8
Thread Starter 
hmm so i can't get it past 1250 ... is there that much difference between 1225 and 1250? Should this card be able to go higher?
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i7 950 @ 4.0 Ghz Gigabyte GA-X58A-UD3R xfx radeon 7950 patriot viper 3 8gb 1600mhz 
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curcial mx100 512gb windows 8.1 64bit LG 34um95 Cooler Master GX750 
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My System
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i7 950 @ 4.0 Ghz Gigabyte GA-X58A-UD3R xfx radeon 7950 patriot viper 3 8gb 1600mhz 
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post #4 of 8
Thread Starter 
Really? No one? I know more people have to be interested in.overclocking this card..
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post #5 of 8
I have the overclock version that runs at stock 1050/1250 and I haven't tried overclocking it yet. I believe the suggestion is to try running 2.2.0 beta 14 if you want to overclock with afterburner.

Personally, I'm going to wait a bit till the drivers are a bit more mature before I try to push the overclock. Generally speaking a 10-20% boost in clocks should be safe on stock voltage as long as your cooling is adequate.
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CPUMotherboardGraphicsRAM
Intel i5 3570k @ 4 GHz Asrock Z77 Extreme4 Sapphire HD 7870 OC CrossFireX 8GB DDR3 1600MHz G.SKILL Ripjaws X 
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Big Bertha Jr.
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Big Bertha
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Intel i5 3570k @ 4 GHz Asrock Z77 Extreme4 Sapphire HD 7870 OC CrossFireX 8GB DDR3 1600MHz G.SKILL Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 250GB SSD Seagate 2TB HDD Asus BC-12B1ST BD-ROM TRUE Black push w/ Rosewill 120mm 
PowerCaseAudio
Seasonic X750 Rosewill Gear X3 X-Fi XtremeMusic + Audio-Technica M50S headphone 
CPUMotherboardGraphicsRAM
Intel Core2Duo E8400 Gigabyte P35-DS3L PowerColor HD 5450 4GB DDR2 G.SKILL 
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by Swiftdeathz View Post

I have the overclock version that runs at stock 1050/1250 and I haven't tried overclocking it yet. I believe the suggestion is to try running 2.2.0 beta 14 if you want to overclock with afterburner.
Personally, I'm going to wait a bit till the drivers are a bit more mature before I try to push the overclock. Generally speaking a 10-20% boost in clocks should be safe on stock voltage as long as your cooling is adequate.

yeah i had to get the beta for it to let me use voltage. cooling is fine but i could only get to about 1150 stable without adding more voltage.

right now 1225 and 1450 memory is about all I can get with voltage all the way up to 1300.

is this normal?
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i7 950 @ 4.0 Ghz Gigabyte GA-X58A-UD3R xfx radeon 7950 patriot viper 3 8gb 1600mhz 
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curcial mx100 512gb windows 8.1 64bit LG 34um95 Cooler Master GX750 
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post #7 of 8
Overclocking is always luck of the draw for the most part. Some chips can do more than others, it's the nature of the beast.
Big Bertha Jr.
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Big Bertha
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CPUMotherboardGraphicsRAM
Intel i5 3570k @ 4 GHz Asrock Z77 Extreme4 Sapphire HD 7870 OC CrossFireX 8GB DDR3 1600MHz G.SKILL Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 250GB SSD Seagate 2TB HDD Asus BC-12B1ST BD-ROM TRUE Black push w/ Rosewill 120mm 
PowerCaseAudio
Seasonic X750 Rosewill Gear X3 X-Fi XtremeMusic + Audio-Technica M50S headphone 
CPUMotherboardGraphicsRAM
Intel Core2Duo E8400 Gigabyte P35-DS3L PowerColor HD 5450 4GB DDR2 G.SKILL 
CoolingMonitorPowerCase
Ximgatech Dark Knight 19" Spectre LCD Enermax 431W Inwin Q800 
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Big Bertha Jr.
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Big Bertha
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CPUMotherboardGraphicsRAM
Intel i5 3570k @ 4 GHz Asrock Z77 Extreme4 Sapphire HD 7870 OC CrossFireX 8GB DDR3 1600MHz G.SKILL Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 250GB SSD Seagate 2TB HDD Asus BC-12B1ST BD-ROM TRUE Black push w/ Rosewill 120mm 
PowerCaseAudio
Seasonic X750 Rosewill Gear X3 X-Fi XtremeMusic + Audio-Technica M50S headphone 
CPUMotherboardGraphicsRAM
Intel Core2Duo E8400 Gigabyte P35-DS3L PowerColor HD 5450 4GB DDR2 G.SKILL 
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Ximgatech Dark Knight 19" Spectre LCD Enermax 431W Inwin Q800 
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by Swiftdeathz View Post

Overclocking is always luck of the draw for the most part. Some chips can do more than others, it's the nature of the beast.

Yeah that's what I.figured just wondering.if anyone else tried and their results. So the drivers can affect the overclock? With current settings what graphics card is comparable to
My System
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CPUMotherboardGraphicsRAM
i7 950 @ 4.0 Ghz Gigabyte GA-X58A-UD3R xfx radeon 7950 patriot viper 3 8gb 1600mhz 
Hard DriveOSMonitorPower
curcial mx100 512gb windows 8.1 64bit LG 34um95 Cooler Master GX750 
Case
nzxt switch 810 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 @ 4.0 Ghz Gigabyte GA-X58A-UD3R xfx radeon 7950 patriot viper 3 8gb 1600mhz 
Hard DriveOSMonitorPower
curcial mx100 512gb windows 8.1 64bit LG 34um95 Cooler Master GX750 
Case
nzxt switch 810 
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