Nope. I'm trying to point out that degradation is random - it's not a progress. You can say that, for example, after a year chances of permanent damage to the CPU will exceed 50%, but just as well your sat phone might get broken while still on an upper stage of the rocket. Rad-Hard computers are worth their price. That's why majority of cube sats run on them instead of things like Raspberry Pi, Arduino or smartphones. Yes, the demand for PhoneSats is going up, but: from zero you can only go up . And if you still think it's not a problem - read this and the remind yourself that people here wanted to transfer video down to the ground, not just pathetically low-res pictures. And that's the project supported by NASA, not some random people from a random forum.