With both laptops with turbo the i7 3630qm is twice as fast as an i5 3340m.
i7 3630qm is 4 core 8 thread cpu 'Each core offers a base speed of 2.4 GHz but can dynamically increase clock rates with Turbo Boost up to 3.2 GHz (for 4 active cores), 3.3 GHz (for 2 active cores) and 3.4 GHz (for 1 active core).'
i5 3340m is a 2 core 4 thread cpu ' Each core offers a base speed of 2.7 GHz but can dynamically increase clock rates with Turbo Boost up to 3.2 GHz (for 2 active cores) and 3.4 GHz (for 1 active core).'