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« on: July 12, 2014, 12:15:57 pm »
The background operation of minecraft does require some processing power, the main bulk of memory/cpu consumption is rendering everything you see, especially as you increase settings.
If you run minecraft on a computer with built in graphics, you'll need a more powerful processor and more system ram to maintain overall performance as built in graphics uses your main cpu and ram to render the game as well as run the background program.
On the other hand, if you get a dedicated graphics card, even one with only 1gb of memory, that takes the load of rendering the game off your main cpu so you could just have a dual core at like 2.5ghz and run the game at medium settings without even pushing either processor past %50 usage.
Both my laptop and desktop have i7 processors and Nividia GT 7## 2gb graphics cards, and pushing all video settings to max it barely puts a dent in my cpu/ram usage but my gpu pushes up to about 70% when not moving, and up to around 95% when moving due to new chunks being rendered.
With my old laptop that died about 2 years ago now, it had built in graphics, on a 2.8ghz dual core amd processor and minimal video settings pushed it to the max depending on what was around me in game.