![]() The dual-GPU can be managed automatically by the operating system, but gfxCardStatus enables you to force the switch and preserve battery life in particular situations. Regardless, the OS will automatically switch GPUs depending on system demand, rendering it mostly redundant for this purpose (GfxCardStatus is typically used to prevent the system from switching to discrete graphics, which conserves. To sum up, gfxCardStatus offers manual control over the GPU switching modes for MacBook Pro users. GfxCardStatus is the only application I'm aware of that will allow you to manually set the graphics card mode. Also, you cannot switch to the Integrated Only mode if there are apps in the Dependencies list. Worth mentioning is that gfxCardStatus needs to be on the Dynamic Switching mode if you want to use an external display. Identify the applications that activate the more power hungry GPU gfxCardStatus for Mac 1.8. This way, you get to see if the Discrete Only mode is turned on and taking up resources without a good reason. Just navigate to the status bar menu and open the Dependencies lists. GfxCardStatus can also help you distinguish the applications that activate the more power hungry graphics card. Consequently, the Discrete Only preset enables the graphic card that needs more power. If you opt to activate the Integrated Only mode, your MacBook Pro will go on and use the more battery-friendly graphics card. In addition, you can also choose to activate the Dynamic Switching mode, which means that the built-in macOS controller takes over. Note that the gfxCardStatus status bar icon changes depending on the currently active switching mode: i is for Integrated Only, and d represents the Discrete Only mode. Check which graphics card is active on your MacBook Pro ![]() If the system switches to one or another, you will receive alerts via the Notifications Center. GfxCardStatus resides in your status bar and provides details about the currently used GPU, together with the current power source: battery or AC. ![]() gfxCardStatus is a simple status bar menulet that enables you to manually control switching between the graphic cards. gfxCardStatus Allows Easy Control of MacBook Pro Graphics Cards Tuesday J11:24 AM PDT by Jordan Golson gfxCardStatus allows users to control which graphics card is enabled. However, setting this up is more for advanced users. OS X Mavericks has not yet been released however the OS X Mavericks Developer Preview is Beta Software and with the exception of changes to Localizations in gfxCardStatus it appears there hasn't been other work on gfxCardStatus in over 9 months so even though the gfxCardStatus requirements show OS X Lion (10.7) or newer and 2008-2012, 15-17" dual-GPU MacBook Pro, I'd venture to say that gfxCardStatus may not work properly in the OS X Mavericks Developer Preview and since it appears core development hasn't moved in over 9 months that gfxCardStatus may also not work properly in the OS X Mavericks when it is released.MacBook Pro models come with dual GPUs, and macOS a switching system that activates one or the other, depending on your needs. Use gpu-switch to effectively do the same thing as the gfxCardStatus application, but switch between the integrated and dedicated GPU for the next reboot without the need of booting into macOS and running gfxCardStatus. My testing was further supported by the fact when I plug in my 27" Thunderbolt Display while gfxCardStatus is set to Integrated Only, whether or not the Virtual Machine is running, the Thunderbolt Display stays dark until I select either Discrete Only or Dynamic Switching as it requires the use of the Discrete GPU. I'm using VMware Fusion 6 under OS X 10.8.3 and when I set gfxCardStatus to Integrated Only that is what's being used while running a Virtual Machine! I based my original reply on the fact that gfxCardStatus reports that Integrated Only is what's being used and the analysis of sampling of the vmware-vmx process is not showing any calls to the GeForceGLDriver until I select either Discrete Only or Dynamic Switching. My VM guest OS is currently mostly idle, and it is reporting hefty 50+ energy impact. On Mavericks, when you open Activity Monitor, it still reports vmware-vmx process as using "high performance" discrete graphics. Virtualpboy wrote: I have gfxCardStatus 2.3 installed and it doesn't seem to prevent VMWare Fusion 6 (or 5 for that matter) from using discrete graphics at all.
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