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Highest vcore for AMD processor?

R

RS3RS

[H]F Junkie
Joined
Dec 10, 2003
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Well, I'll be building a rig for my g/f soon. It will be a mobile Barton 2400+, and I'm going to overclock it. Haven't decided on cooling yet, maybe an SP-97 or something.

Anyway, it hit me, I've never overclocked anything but an Intel system in my life. I know with Intels, it's best to stay under 1.7 volts, but I know AMD's can take more voltage... What's the highest that's safe, and won't significantly degrade the life of the chip? 1.75 volts? 1.8 volts?

Just trying to get an idea of how much headroom I'll have

Thanks guys :)
 
It is not so much voltage as it is temperature. Try to think of the worst case heat situation it will be in (full load in 3d game on a hot summer day) if you can simulate that all the better otherwise just give yourself a temperature alloance for that. Try to keep it under 50C and it will be fine, mid 40s is all the better. If you weren't overclocking they are rated to go up to 100C on the mobiles, but that is at stock freq and voltage.

For most cases under 2 volts you dont have to factor in chip life, if u keep the temp reasonable it will outlive your needs for it.
 
TheArchitect said:
It is not so much voltage as it is temperature. Try to think of the worst case heat situation it will be in (full load in 3d game on a hot summer day) if you can simulate that all the better otherwise just give yourself a temperature alloance for that. Try to keep it under 50C and it will be fine, mid 40s is all the better. If you weren't overclocking they are rated to go up to 100C on the mobiles, but that is at stock freq and voltage.

For most cases under 2 volts you dont have to factor in chip life, if u keep the temp reasonable it will outlive your needs for it.
Click to expand...

Cool. Thanks man
 
It's definitely the voltage you need to worry about.
High Temps may lock the system up, but the voltage is what will damage the circuitry, as the heat won't do jack unless it's above 200C

A Mobile Barton is rated for 1.45V. The AMD tech docs for the mobiles aren't out yet, so I can only assume that they're following the guidelines for the regular Bartons which is .5V over the spec, so 1.95V (technically plus .05 for DC stability) so 2.00V..
 
Just don't combine high voltages and high temps for lengthy periods of time...will speed up electro-migration.

Athlons aren't weaklings like P4s (stupid SNDS @ 1.8V without xtreme cooling :rolleyes: ). People have run 24/7 @ 2.2V (sufficient cooling of course) for years without problems.

Anyways, it all boils down to a combination of cooling and temps. If you are running a sp-97 w/ 92mm fan @ 2.0V w/ 50 C temps, you might want to back down a little bit. Usually with air I don't go past 1.9V but that's just me ;).
 
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