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How well do the 6870's overclock?

post #1 of 3
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I know that the 6900 series has a reputation for not overclocking that good, but what about the 6870's? Are they in the same boat or have people been getting some nice oc's on them?
    
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post #2 of 3
985mhz @ 1.184v. The reviews were quite generous to claim 1060mhz, I was persuaded. Yet the only reason I bought the card for(and the most reasonable for my understanding) is that it is THE most power efficient card currently on sale.
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The Machine
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Nexus 7 2013
(11 items)
 
 
CPUMotherboardGraphicsRAM
A10 6800K Asus F2A85-V MSI 6870 Hawx, VTX3D 5770, AMD HD6950(RIP), Sap... G.skill Ripjaws PC12800 6-8-6-24 
Hard DriveOptical DriveOSMonitor
Seagate 7200.5 1TB NEC 3540 Dvd-Rom Windows 7 x32 Ultimate Samsung P2350 23" 1080p 
PowerCaseMouseAudio
Seasonic s12-600w CoolerMaster Centurion 5 Logitech G600 Auzen X-Fi Raider 
CPUMotherboardGraphicsRAM
Quad Krait 300 at 1.5Ghz Qualcomm APQ8064-1AA SOC Adreno 320 at 400mhz 2GB DDR3L-1600 
Hard DriveOSMonitorKeyboard
32GB Internal NAND Android 5.0 7" 1920X1200 103% sRGB & 572 cd/m2 LTPS IPS Microsoft Wedge Mobile Keyboard 
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post #3 of 3
Reports indicate very good headroom for 6870 overclocking. They're the equivalent of last generation's 5850, especially insofar of maximum stable clocks. Remember, because of the chip being a re-balanced Cypress (same TMUs/ROPs in proportion to lower total ALUs) they succeeded in emulating top-end, larger die 5850/5870 performance via incorporation of higher default stocks. The more appropriate balance made the chip intrinsically disposed to higher frequency potential.
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