They're not equal. The speed of mining depends on two main factors: how much power the PD can send to the lasers and how many colector limpets. The Anaconda has a 10.8MW PD vs 9.1 for the T10. That's a 17% difference. If you dump that 7A multi-limpet controller, you can get more cargo than the T10, the same 10 collectors, plus two extra prospectors:
Coriolis EDCD Edition
A ship builder, outfitting and comparison tool for Elite Dangerous

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