So there are technical reasons for dropping support for old hardware. Metal also unifies the graphics api between TvOS, iOS and MacOS. Supported by an Intel i5 processor with a speed of 2.5 GHz, paired with 4 GB DDR3 RAM, Intel HD Graphics 4000, and support for 500 GB of hard disk memory this. Their GPU's didn't support the instructions needed to use Metal. Which is why Mac's before 2012 could not be upgraded. Then more recently, I had to upgrade my friends iMAC with a Kepler GPU because Apple's latest OS's from High Sierra onward use a newer but significantly more low-level and efficient METAL graphics API. So they technically couldn't upgrade, period. Example: there are big differences in coolers depending on the installed graphics card. Visually, there is often no discernible difference. But the fact was their cpu's didn't have 64bit instruction sets. MacBook Pro A1278 13' USB port socket from the mainboard Mid 2012. People lost all iOS updates and were understandably upset. Like when iOS switched from 32bit to 64bit sometimes around the iphone5 to iphone 6. Many people have said this, but when I dive deeper into it, I've found actual technical reasons for loss of software updates. unibody macbook pro to say like a 6 core or 8 core gpu Menu Menu. Apple have shown little regard for backwards compatibility for anything in the past. Is it possible to upgrade the gpu on my 2012 15in. Sizzling said:That’s probably part of Apple’s business case for doing this. What is best upgrade for Apple Macbook Pro Solved Macbook pro won’t upgrade from sierra to mojave: Are Macbook Pro Upgrades worth the extra money If so which one, and why MacBook Pro Upgrade Heat Issue: Upgrade SSD to larger size: RAM Upgrade Macbook Pro Mid-2012: Need MacBook Pro 8.
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