What's the diff between laptop processors TL50 vs TL52 vs celerion vs pentium. What is top vs mid vs low finale

is in that a chart or reference guide ? I want to buy a laptop and cannot tell what's worthy for what price..

What's the diff between laptop processors TL50 vs TL52 vs celerion vs pentium. What is top vs mid vs low finale

Pentium is better than celeron, but I'm not sure about TL50/52.

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