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<blockquote data-quote="shadov" data-source="post: 22882">256 M should be plenty for any web browser. I don't think you'd see any difference if you doubled that. For MS Office 512+ M would be better. Serious video/photo/audio editing is VERY RAM intensive. Get as much as you can. CPU and HD matter too. Upgrading CPU on iBook is not possible. Same goes to graphics card. And with HD - you can get bigger, but not faster (I think).Games... It depends. The bottleneck might be CPU, graphics card or RAM.OK I'll try to explain some.CPU (processor) is the place where basically all calculation takes place. CPU needs data. Data is in L1 cache, L2 cache, RAM or HD (swap). CPU looks for it in that order (well not exactly, but I'm not going to talk about TLB here). Caches are on the same chip as CPU.If data isn't in the caches, CPU will have to wait a long time to get it from RAM or at least 100 times longer if the data is in swap. Remember we are talking about a thing that makes 800 million operations in a second for a pipeline and I'm sure there is more than one pipeline in G4. Waiting for RAM or HD to respond is a long time.</blockquote>

[QUOTE="shadov, post: 22882"] 256 M should be plenty for any web browser. I don't think you'd see any difference if you doubled that. For MS Office 512+ M would be better. Serious video/photo/audio editing is VERY RAM intensive. Get as much as you can. CPU and HD matter too. Upgrading CPU on iBook is not possible. Same goes to graphics card. And with HD - you can get bigger, but not faster (I think). Games... It depends. The bottleneck might be CPU, graphics card or RAM. OK I'll try to explain some. CPU (processor) is the place where basically all calculation takes place. CPU needs data. Data is in L1 cache, L2 cache, RAM or HD (swap). CPU looks for it in that order (well not exactly, but I'm not going to talk about TLB here). Caches are on the same chip as CPU. If data isn't in the caches, CPU will have to wait a long time to get it from RAM or at least 100 times longer if the data is in swap. Remember we are talking about a thing that makes 800 million operations in a second for a pipeline and I'm sure there is more than one pipeline in G4. Waiting for RAM or HD to respond is a long time. [/QUOTE]

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