i wonder if apple put 32 gb with now lpDDR4...how the battery was..
edit: combinations, not permutations
Adding a 32GB memory configuration wouldn't add even a single logic board configuration.
Phil Schiller's response is a "half-explanation"
"We couldn't because the Skylake CPU memory controller we're using doesn't support more than 16GB of LPDDR3..." - he left off the part after that that goes "... and while we could have easily added a a slightly bigger battery to counter the effects of using DDR4, we thought it was more important for our professional line of notebooks to be super super thin than for them to have the hardware specs that power users demand"
So, bottom line - could we have done a better job of this video? Yes. We outright missed the detail that Skylake's memory controller is limited to 16GB if you're using LPDDR3, and Phil Schiller's statement hadn't come out yet at the time we wrote/shot this video.
Agreed. After all how many are actually using more than 640KB or RAM?Honestly, how many users would actually use 32GB? I have 16GB in my mid-2012 rMBP. I'm just a normal user, not a real power user. I don't do video editing or gaming or other intensive workloads. Just office stuff, standard apps, word processing, and the like. I got 16GB because I'm a techie and I have to have the latest and greatest, and that was the most RAM I could get back then. But I've never been able to use all of it. I might get to half of it, and I don't know the internals of OSX well enough to understand how the system itself might use RAM for caching or page swapping and so on.
The point is that I can't come close to using the 16GB I have, so I have a hard time understanding why anyone would need twice that. I suppose there are a very few power users at the high end would might. But not the typical users. So from an Apple perspective, they have to address the mainstream, and not really the fringe at the outside boundary. Just like anything else, Apple made a business decision, which does support almost everyone who would buy a MBP, I think. It's kind of like why they don't offer a 17-inch MB any more. There aren't enough people who would buy one to justify offering one.
T, FTFY.I see it like this;
1). No 32GB option = people complain
2). Yes 32GB option = majority complain about the $£€ silly APPLE upgrade cost
Reality). Most people probably don't need it for anything more than "future proofing" but since we don't really know what the future will bring and in a market where software to hardware optimisation is coming on leaps and bounds the majority will most likely not need it for some time (if ever) and will upgrade systems before it becomes a real impact on their workflow.
I don't think the combination of SKU's was the main reason for not seeing 32GB though, other hardware limitations are the cause.
XIII
This is incorrect. Even if Apple returned to traditional SO-DIMM memory, the 32 GB option would require a completely different board because LPDDR3 and DDR4 are not pin-compatible.
Linus realized that they messed up the video comparison but decided not to do anything about it. Rather they just made a form post explaining it. In their post the explain:
The reason why the MacBook pro uses DDR3 is for the Low Power modules. There are no Low Power DDR4 modules, yet. If you're using LPDDR3, the CPU memory controller limits the system to 16GB. It's as simple as that.
The same excuse has been made over and over again.
Both LPDDR3 and DDR4 are 1.2V.
Despite the same voltage, LPDDR3 has much lower standby power consumption (to maintain memory contents)The same excuse has been made over and over again.
Both LPDDR3 and DDR4 are 1.2V.
The same excuse has been made over and over again.
Both LPDDR3 and DDR4 are 1.2V.
Despite the same voltage, LPDDR3 has much lower standby power consumption (to maintain memory contents)
Neither is 2133 but it is working somehow...Not possible with Skylake CPUs.
So the Macbook pro can sleep using less power. Yes that was clearly the complaint of most pros (even though the smaller battery means at load it'll be shorter duration and most are not getting APple's claimed battery life).Despite the same voltage, LPDDR3 has much lower standby power consumption (to maintain memory contents)