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These are two different platforms and it's not about if one is better than the other, Intel make the processors depending on the customer’s needs and this will depend what you need the system for.
The Intel® Core™ i7-2630QM Processor is a second generation processor and the Intel® Core™ i5-7500 Processor is a 7th generation processor.
For example if you are planning to play games the 7th generation processor is a better option for the graphics, the memory supported and speed, also if you want to watch videos or movies in 4k resolution the 7th generation is capable of it.
There is a big difference on these two processors but also this depends on what the customer needs the system for.