4770 vs 4830 vs 4850?

Discussion in 'AMD Graphics Cards' started by Zian5377, Apr 28, 2009.

  1. anonemus

    anonemus 80 Plus Certified

    Joined:
    Jul 14, 2008
    Messages:
    1,015
    Likes Received:
    61
    Trophy Points:
    0
    Judas-- does it also apply to GPUs? Especially since they're also shrinking and getting OCd more as standard?
     
  2. Judas

    Judas Obvious Closet Brony Pony

    Joined:
    May 13, 2002
    Messages:
    39,029
    Likes Received:
    1,169
    Trophy Points:
    138
    yes they draw less power and get frequency increases as well to, however, remember, gpus and cpu are very very different, while from a die shrink, voltage decrease, frequency increase as well as heat generation gets reduced with die shrinks just like a cpu, they are usually designed far larger then any cpu is, and is far more complicated from what i've seen and read.
     
  3. Jejking

    Jejking New Member

    Joined:
    Mar 26, 2005
    Messages:
    582
    Likes Received:
    1
    Trophy Points:
    0
    When a GPU gets smaller, it needs less voltage to run through the smaller circuits (and so develops less heat). If you want to OC the crap out of the card, you need to crank up the juice and the heat per mm2 will increase significantly.

    Works with CPUs and also with GPUs.

    By the way, I hear about poor availability of HD4770. Anyone about this and shops that can deliver?
     
  4. Judas

    Judas Obvious Closet Brony Pony

    Joined:
    May 13, 2002
    Messages:
    39,029
    Likes Received:
    1,169
    Trophy Points:
    138
    i have yet to see my supplier list it....(4770)
     
  5. anonemus

    anonemus 80 Plus Certified

    Joined:
    Jul 14, 2008
    Messages:
    1,015
    Likes Received:
    61
    Trophy Points:
    0
    There are abundant 4770s here in my country from MSI, Powercolor mainly.

    Thanks for the clarification!
     
  6. Sound_Card

    Sound_Card New Member

    Joined:
    Jun 18, 2007
    Messages:
    0
    Likes Received:
    0
    Trophy Points:
    0
    HD 4770 all around is better card of the three. This is taking in cooling, silence, OC'ing, technology, price, and performance.
     
  7. anonemus

    anonemus 80 Plus Certified

    Joined:
    Jul 14, 2008
    Messages:
    1,015
    Likes Received:
    61
    Trophy Points:
    0
    I wonder when will AMD release a 40nm 256-bit GDDR5 card?
     
  8. Odinarius

    Odinarius New Member

    Joined:
    Jun 21, 2009
    Messages:
    31
    Likes Received:
    3
    Trophy Points:
    0
    5XXX series is planned towards the end of the year, coincide with W7.

    ATI is probably offering all these different models (4870 has dropped dramatically in price also) to get rid of the stocked 770/790 chips and prepare for 8XX series. No other explanation.
     
  9. anonemus

    anonemus 80 Plus Certified

    Joined:
    Jul 14, 2008
    Messages:
    1,015
    Likes Received:
    61
    Trophy Points:
    0
    Has TSMC improved their 40nm yields already?
     

Share This Page

visited