Best mac os for intel core 2 duo pro#
The consumer MacBook and Mac mini models use Intel GMA 950 graphics that share system memory, while the MacBook Pro and iMac models have dedicated Radeon X1600 graphics with their own dedicated video memory. In order of introduction, the Core Duo Macs are: Some Mac mini and iMac users have successfully replaced their CPUs with Core 2 Duo CPUs, which support 64-bit operation, but the standard firmware is strictly 32-bit. Going forward, Macs based on the original Core architecture had two significant drawbacks – they can only support up to 2 GB of memory and can only run in 32-bit mode, which means that they were left behind when Apple released OS X 10.7 Lion, a 64-bit only operating system, in July 2011. It accesses system memory using a 667 MHz data bus. The Yonah processors use a 65 nm process and have a 2 MB level 2 cache, which is shared by both cores in the Core Duo processor. One of the key design requirements of Core Duo was low power consumption, with a target draw of 25 Watts or less, although the top-end 2.16 GHz Core Duo ended up consuming 31 Watts. Apple used the Core Solo CPU only in the 1.66 GHz Mac mini. There is speculation that Intel did this to unload CPUs with a defect in just one core. The Core Duo was Intel’s first dual-core mobile processor, and it was used in all first generation Intel Macs save one, the single-core Mac mini Core Solo.Ĭode named Yonah, the first generation of Intel Core processors came in single- and dual-core versions the Core Solo is identical to the Core Duo except that it has one of its two processor cores disabled. When Apple made the switch from PowerPC CPUs to Intel in 2006, the state-of-the-art CPU was Intel’s Core Duo processor, which was based on Intel’s 32-bit Pentium M architecture, which was originally designed for mobile use.
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