For me, I would put the $350 elsewhere such as towards replacing a HD with a super fast SSD this will have a more noticeable effect on your perceived processing speeds. Bottom line? Only you can determine the value. Additionally, both of these platforms are 4 core processors and since PS is optimized to multi-thread the i7, 4 core processor is more of an influence than the distinction between the cycle speeds. Having a non cpu video card will affect the results more than the difference between the processors. My assumption is that the memory and drives/ssd and presence/absence of an external video card are similar? That being said, you can always check benchmarks such as those at Geekbench ( ). Will I see a major difference between the two? I'm working on files from a Sony a7rii,42MP. I mainly use it for Lightroom(75%) and Photoshop (25%). Along with PCIe 3.0, the gumstick-sized SSD also supports the PCIe 2.0 specification, making it backward compatible for many of today's ultraslim laptops.I can buy either a used 15" MacBook Pro 2015 2.2Ghz or a 2.5GHz. The SM951 SSD uses 14-nanometer class multi-level cell (MLC) NAND flash. In January, Samsung announced it had moved into full production of its new SM951 laptop SSD, its first mass produced expansion card using the PCIe 3.0 x4 slot SSD specification. "Double the lanes, double the speed," said Gregory Wong, an analyst with Forward Insights. Samsung's M.2 flash memory card being removed by iFixit from a 2015 MacBook Pro. While both the previous model MacBook Pro and the latest model sport leading-edge PCIe flash memory cards, versus 2.5-in SATA drives used in most other laptops today, the 2015 MacBook Pro's mass storage device doubles bandwidth.Īpple's Samsung-made PCIe 3.0 flash card in the 2015 MacBook Pro, which comes with 128GB, 256GB and 512GB and 1TB capacities, went from a PCIe 2.0 x2 (or two I/O lanes) in the previous model to a PCIe 3.0 x4 (four I/O lanes). (A 3.1GHz dual core i7 processor is a build-to-order upgrade.)
The new machine gained some typical upgrades: a larger battery, faster memory and a faster processer - either a 2.7 GHz dual core i5 or 2.9GHz i5 Intel Broadwell processer. So what did Apple do to the new 2015 MacBook Pro? That machine also had a 512GB PCIe M.2 flash module, a 2.6GHz Intel Core i5 processor, 16GB of 1600 MHz DDR3 RAM, and was also running OS X 10.10.2. That performance compares to the previous model MacBook Pro (mid-2014), which had industry-leading performance of nearly 650MBps write speeds and over 700MBps read speeds.
The machine that Computerworld tested had a 512GB PCIe M.2 form-factor flash module ($1,799) and an Intel dual-core i5 2.9GHz processor, 8GB of (1866MHz LPDDR3) RAM, and was running OS X 10.10.2 (Yosemite).
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