Should I buy a Radeon 7750 with my specs?

I've been looking to upgrade my computer's graphics card for awhile now, but I was always put off by the fact that most significant upgrades would require a PSU upgrade as well. However, then I found out about the Radeon 7750, which is supposed to have tiny power consumption. I'm wondering whether or not I would have to get a new PSU along with the 7750, because if I had to, I would probably just look to a different GPU. I would normally just get a new PSU anyways to make sure, but my budget is low, at least too low to accommodate a new PSU and GPU.

I have an HP (yes, I know, HP, but hear me out) p6720f, with the following specs:
(NOTE, if I miss any specs, just look up "p6720f" to see)

AMD Phenom II X4 840T
6 GB RAM
Radeon HD 4200 Integrated Graphics
1 TB HDD
Internal 250W PSU (100-240W)

Expansion Slots:
1 PCI Express x16 slot for graphics card
3 PCI Express x1 slots
1 PCI Express x1 minicard slot

And here's the link to the rest of the specs: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02628244&tmp_task=prodinfoCategory&cc=us&dlc=en&lc=en&product=5049516#N74

Thanks in advance. I'm new here, so any suggestions to refine my postings and/or asking manner are welcome.
6 answers Last reply
More about should radeon 7750 specs
  1. for the price of 7750 add $30 - $40 you can get 6850 which is way fast than the 7750if you budget is ~$200 then go for 6850 for long term investment..
  2. Most systems seem to run around 200w or so with that card. You will prob be fine but definitely on the limit.
  3. You aren't suppose to bump. One of the Mods on here will tell you that. Just thought to let you know.

    Anyway the 6850 is faster and better than the 7750. But you are right about it using a lot less power than the 6850. And since your PSU is a 250w it might not run the 7750.

    Unless you know what the Amps are on the 12v rail is. To find the amps just look on the PSU for a sticker that has numbers like 3.3v = 17a + 5.0v = 16a + 12v =14a.

    I am needing the 12v one and how many amps are after it. To be the right amount of amps you would need about 13amps max in order to run the 7750. To run the 6850 you would need 14amps or higher.

    http://www.anandtech.com/bench/Product/535?vs=539
  4. OK thanks guys. And like i said I'm new so I had no idea I wasn't supposed to bump. Thanks for the heads up. and ive done some research and it seems my psu should be able to handle the 7750 safely.

    again, thanks For all the replies.
  5. DM186 said:
    You aren't suppose to bump. One of the Mods on here will tell you that. Just thought to let you know.

    Anyway the 6850 is faster and better than the 7750. But you are right about it using a lot less power than the 6850. And since your PSU is a 250w it might not run the 7750.

    Unless you know what the Amps are on the 12v rail is. To find the amps just look on the PSU for a sticker that has numbers like 3.3v = 17a + 5.0v = 16a + 12v =14a.

    I am needing the 12v one and how many amps are after it. To be the right amount of amps you would need about 13amps max in order to run the 7750. To run the 6850 you would need 14amps or higher.

    http://www.anandtech.com/bench/Product/535?vs=539


    Can you please comment on this spec that I currently have in my PSU -

    http://imageshack.us/photo/my-images/696/psuspec.jpg/

    or

    http://desmond.imageshack.us/Himg696/scaled.php?server=696&filename=psuspec.jpg&res=landing

    Is it safe for running HD 7750 ?
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