Exactly. The thing that stresses silicon the most is extreme change of temperature. Guess what doesn't change during mining: Temperature. When mining, you want

Exactly. The thing that stresses silicon the most is extreme change of temperature. Guess what doesn't change during mining: Temperature. When mining, you want a steady rate and will most likely downclock and undervolt it in order to get maximum efficiency out of your card. The only thing I could imagine to break are capacitors, but I still have to run into anyone who has issues like that.