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How badly will this CPU bottleneck my new GPU?

Last response: in Graphics & Displays
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December 3, 2011 12:42:19 AM

Got a new Radeon 6770 on the way. My current GPU is an AMD Athlon 7550 Dual-Core. How much of a bottleneck would my current CPU create? Would it be too ridiculous for games such as Metro 2033, Skyrim or STALKER w/ complete 2009 mod?

Also, subquestion; will this system run fine on a 450W PSU (providing I don't overclock it too much) or should I invest in a 550W? Both PSUs in question are Antec Basiq Series, and I have 3GB of DDR2 RAM.

http://www.pcworld.co.uk/gbuk/antec-basiq-series-vp450p...

http://www.pcworld.co.uk/gbuk/antec-basiq-series-vp550p...
December 3, 2011 2:02:43 AM

Does your current psu have the 6 pin connection needed to power the 6770? It's stats reccomend a 500w. If you are using a AM2+ motherboard You can get a 3 core or 4 core modern AMD cpu and pop it right in as they are compatable as long as the wattages match up.
a c 191 U Graphics card
a b à CPUs
December 3, 2011 2:08:59 AM

The system will probably most likely run very well on a CREDIBLE 450W power supply.

Antec is definitely credible, and the card will most not likely bottleneck the card. If it does, its by very very little.
a b U Graphics card
a b à CPUs
December 3, 2011 2:17:03 AM

Skyrim and SC2, off the top of my head, are generally CPU-limited. In those you'll have trouble.
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