I do not think the integrated graphics on the processors are used for any tasks, but I am not certain.
The greatest performance impact is for processors with integrated graphics, because they have two separate "components" on the processor accessing memory at the same time, so the additional bandwidth is really needed.Īll of the 27" iMacs have discrete graphics. it switches from Iris to AMD my Mac freezes for a good 60 seconds or even. Processors have several layers of cache and predictive fetch logic to avoid waiting on calls to main memory as much as possible, so tasks like processing large (multi-gig) datasets see big impacts, but even video rendering is only affected by a few percent. drivers Enhanced Sync is available in Radeon Settings Game Manager n/a I. Typically, the loss of dual-channel only matters in memory-intensive applications. Real-world performance difference for one-stick vs. As you start to chew up more RAM, data will end up in the single-channel memory space. So some things like the core OS will occupy the lower memory and receive the benefits of dual-channel memory. is support for 2 x SO-DIMM slots supporting dual-channel DDR3 1,600MHz RAM A. In this case you are still using the second channel, you just aren't able to interleave memory (Like RAID 0 for RAM) for the additional RAM. 10 GHz) Dual HDMI 2 3/10/11 Fan settings are shown in the CPU Fan Header. Intel actually has guides for this This one is from a specific motherboard, but it's a consumer desktop product and the memory controllers are on-chip these days, so the information is broadly applicable, at least until we get to the triple- and quad-channel parts. So the real question: would a 4gb + 4gb + 8gb setup (buying a single 8gb bank) have horrible performance?Īs long as you don't rearrange the memory, you will still be in dual channel mode, using dual channel for the two matching sticks and single for the unmatched.
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