Recently, Apple updated its lineup of MacBook Pro laptops with Intel’s latest Core processors and more powerful discrete graphics. While the design and aesthetics haven’t changed much since the previous uni-body slick MacBook Pro machines, it's the hardware upgrade (change) that had our attention most.

There are three variants of the MacBook Pro, with different hardware, 13-inch, 15-inch and 17-inch, out of which the 13-inch variants don’t feature the new Core series of CPUs but the other two variants do. We have with us the Apple MacBook Pro A1286, which is a Core i5 variant and though it’s the cheapest of the latest 15 and 17-inch models, it still is quite expensive. Let’s find out why.

Design, build quality and ergonomics
In terms of design, the rock-solid aluminum body and its build quality and the overall aesthetics have not changed much, but there’s a slight change in the ergonomics and ports. The most prominent difference is the sealed battery, which is a good thing, because it has allowed increasing the size of the battery as the unevenly shaped battery pack can curve around other hardware inside the unit. But if you’re thinking that this helps in slimming down the machine, this unit is no slimmer than the previous models.

Other noticeable changes are; the presence of an Indian two-pin plug, as opposed to the previous American ones, the presence of an SD card slot and only two USB ports. This is the first MacBook we've reviewed with an SD card slot, but, this slot comes at the cost of one USB port.

You not only lose a USB port, but, since the ports are too close to each other, the moment you plug in a thick flash drive, you'll block the other port too. Also, the express card slot is absent, but again that's not something all of us use. Other features, like the large all-glass multi-touch track pad, sharp edges (always been a downside) and the overall enclosure is the same.

A common complaint even with previous MacBook Pros was that the machine heats up quite a bit and, this one does too. Well, there's no denying that the laptop does heat up more than normal, infact we tried benchmarking it while on the lap and kept it on the desk midway. On the other hand, since it's a desktop replacement, the heating bit should not bother many people. Besides, the metal body is designed to dissipate heat effectively by transferring it quicker.

In terms of features, it’s mainly the hardware that has changed from the previous versions. Previously, all Apple notebooks featured Intel CPUs on Nvidia chipsets, particularly the GPU-powered Ion chipsets, and some 15-inch and 17-inch ones even had secondary discrete GPUs, which boosted the performance even further.

Also, earlier when the previous Core series of processors were used, the memory controller was on the North Bridge of the motherboard chipset. Now, memory controllers are integrated into the CPUs such as the new Core i5 and i7 processors. Since, Nvidia is not licensed to make chipsets for any Intel CPU which has a built in memory controller, they have to use Intel chipsets, which have comparatively inferior onboard graphics. Now, since Apple could not kill the feature of toggling between onboard and discrete graphics, what they've done is that, they've integrated a separate discrete Nvidia GPU on the motherboard alongside the onboard Intel GPU.

The 13-inch models have stuck with previous Intel Core 2 Duo CPUs, mainly because even if they go with an Intel GPU but with an Intel Core i5 processor, the power consumption will increase, hence draining battery resources. But, with Intel coming up with more powerful and energy-efficient CPUs, it’s a matter of time before we can get smaller MacBooks Pro laptops with refreshed hardware.
Previously, if you wanted to toggle between GPUs, you had to log out and log back in. But, now this happens in real time. The machine detects your work load and switch on/off the discrete graphics. This might sound familiar, because Nvidia offers a similar technology called Opitimus, but this is different.

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