How fast should I be clocking my GPU & Memory?

My question is, how much MHz should I clock my GPU and Memory? my system is as below

Kingston /8G HyperX Desktop Memory Kit - 16GB (4x 4GB), PC3-10600, DDR3-1333MHz, 240-pin DIMM, CL9, 1.5V, Non-ECC, Unbuffered

BIOSTAR TA990FXE AMD 9-Series Motherboard - ATX, Socket AM3+, AMD 990FX Chipset, 2000MHz DDR3 (O.C.), SATA 6.0 Gb/s, RAID, 8-CH Audio, Gigabit LAN, SuperSpeed USB 3.0, CrossFireX Ready

•XFX HD-685X-ZCFC Radeon HD 6850 Video Card - 1GB, GDDR5, PCI-Express 2.1 (x16), 2x DVI, 2x Mini DisplayPort, 1x HDMI, DirectX 11, Dual-Slot, Eyefinity, CrossFireX Ready

AMD FX-4100 Processor - Quad Core, 8MB L3 Cache, 2MB L2 Cache, 3.60GHz (3.80GHz Max Turbo), Socket AM3+, 95W, Fan, Unlocked,

OCZ Technology 256GB Vertex 4 Series SATA 6.0 GB/s 2.5-Inch Solid State Drive (SSD) With Industry's Highest 120K IOPS And 2-Year Warranty

Cooler Master Hyper N520 - CPU Cooler with Copper Base and 5 Heat Pipes (RR-920-N520-GP)

Ultra LSP750 750-Watt Power Supply - ATX, SATA-Ready, SLI-Ready, 135mm Fan, Sleeved Cables, Matte Finish, 3-Year Warranty

Thank You
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More about fast clocking gpu memory
  1. My old HD 6850's were at 1000/1200 with 1.3v for gaming.
  2. Don't really know what I'm doing, as I'm new to this kind of information. I had both set pretty high and it kept on freezing on me with gray and black strips. I turn it down some after. Currently I have it set at GPU 835 MHz and Memory at 1130 MHz. I do concept art on photoshop and edite videos on camtasia. Play games here and there. Any advice would be grateful!
  3. Then my advice is to do your homework before you start overclocking. By the way, your CPU is a notable overclocker as well.

    But anyways, for your GPU, you are going to want the latest beta version of MSI Afterburner. Also download the latest version of Kombustor. It has a very nice test suite for verifying stability.
  4. Thank You damric! Doing my homework as we speak.
  5. Best answer
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