Both Mac and Pc tend to deliver the best result in photo editing but Mac has better records in terms of looking best and fit in the aesthetic design.
The first thing you need to keep your mind in before buying a computer is on Monitor. Invest a handsome amount on Monitor. When it comes to editing pictures, you do not need a monitor with a limited color range or way to light or way to the bright screen. Eventually, you will be disappointed after printing if the editing is poor. A monitor with a wide color gamut should be your target.
Depending on your situation pick a laptop or Desktop. If you a travel guy, the Laptop is a must. Desktop on the other hand is best for a cozy home environment. For photographers, a laptop is a must-have item these days as they need to attend multi-days shooting sessions. In terms of ability, nothing beats desktop, but a laptop can be also transformed in the level of a desktop. But it comes at a higher price.
Next try maxing out your processor investing a handsome amount of money. In this case, you cant compromise, because for a photographer having a computer that has multi-tasking ability is a must. Nonetheless, a quad-core to a six- processor would be the best choice for you.
Having a Ram of 8 GB should be just fine for you. However, if you want to take it to another level then try the 16 GB one, but having a RAM this high will require particular settings for your computer to adjust.
For a photographer, a highly powerful graphics card is not a must-have item. If you are willing to edit photos as well as videos, this is where you might need a good quality graphic card.
Try using SSD as your main hard drive. Also, be aware of the facts about how to keep a backup of your precious photos. Visit here to get photo-backup ideas: