The Thunderbolt is better and the EVO is now considered dated hardware. I have had ATT and Verizon.....but not sprint. Better reception nationwide with ATT and better data speeds with Verizon.
Verizon 4G LTE ‘blows away’ Sprint’s WiMAX in 1,000 speed tests
Verizon 4G LTE ‘blows away’ Sprint’s WiMAX in 1,000 speed tests | BGR