On the other hand, the memory clock is the VRAM’s speed or video random access. If you’re looking to use your PC as a more leisurely tool for browsing the web or perhaps enjoying multimedia such as movies and music, then underclocking. This article will show you exactly how to underclock your GPU. In general, it is more important than the memory clock when it comes to improving performance. There are several reasons that you might want to lower the clock of your GPU, whether it is the core clock or memory clock. The core clock of the GPU is the speed of the chip of the graphics card unit.
Sapphire TriXX - GUI, Works very well for multi GPU setups with or with or without crossfire. The GPU core clock is different from the memory clock.RBE Radeon BIOS editor - GUI, can also be used to overclock,.MSI Afterburner - Fancy GUI, multiple cards, needs to be unlocked, some problems with multi GPU setups.EVGA Precision - Nice GUI, multiple cards supported (can use others than EVGA cards), supports multi-CPU setups, change clock settings for memory and other setting, new integrated GPU Voltage Tuner,.ClockTweak - Command line, not free, multiple cards,.AMD GPU clock tool - GUI / command line,.
Usually core clock is increased and memory clock is decreased to lower temperatures and save power. With these tools it is possible to change the clock speeds of Radeon graphic cards to increase hashrate and thus mining profitability.
