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Thread: AMD To Launch Radeon HD4890 "RV790" In April

  1. #501
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    Quote Originally Posted by STaRGaZeR View Post
    No but shhh, maybe my pic will make its way to the FUD sites!
    No cookie for that, you should know.

  2. #502
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    Quote Originally Posted by largon View Post
    3 vGPU phases. 1+1 for memory (vDD & vDDQ). And looks like GPU memctrl now has dedicated phases, two of them. That would most likely mean a decrease in idle power consumption.
    Indeed !

    If 2 of these three things are true:
    1) "Driver Improvements"
    2) "Optimization"
    3) 55nm GT process

    I may seriously consider buying this...


    Core i7 920 D0 B-batch (4.1) (Kinda Stable?) | DFI X58 T3eH8 (Fed up with its' issues, may get a new board soon) | Patriot 1600 (9-9-9-24) (for now) | XFX HD 4890 (971/1065) (for now) |
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  3. #503
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    Lets all get one thing straight here. I would like everyone to wait till April 6th before making judgements/conclusions. However...

    With the differences in PCB, there is definitely something under the hood of the 4890 that we don't know of yet.

    Perkam

  4. #504
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    Quote Originally Posted by LordEC911 View Post
    Hmm... look at that. A slightly different reference cooler than the original RV770 cooler.

    Isn't that strange ToTTenTranz?
    Yes, different cooler. What's strange?





    Anyone cares to check the difference in die size? It does seem bigger, although not much.

  5. #505
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    Quote Originally Posted by perkam View Post
    Lets all get one thing straight here. I would like everyone to wait till April 6th before making judgements/conclusions. However...

    With the differences in PCB, there is definitely something under the hood of the 4890 that we don't know of yet.

    Perkam
    Agreed. (To me) This is backed up by the fact that ATI is holding the supposed "4890 hotfix" until next week.

    I also agree about the tweaks under the hood...


    Core i7 920 D0 B-batch (4.1) (Kinda Stable?) | DFI X58 T3eH8 (Fed up with its' issues, may get a new board soon) | Patriot 1600 (9-9-9-24) (for now) | XFX HD 4890 (971/1065) (for now) |
    80GB X25-m G2 | WD 640GB | PCP&C 750 | Dell 2408 LCD | NEC 1970GX LCD | Win7 Pro | CoolerMaster ATCS 840 {Modded to reverse-ATX, WC'ing internal}

    CPU Loop: MCP655 > HK 3.0 LT > ST 320 (3x Scythe G's) > ST Res >Pump
    GPU Loop: MCP655 > MCW-60 > PA160 (1x YL D12SH) > ST Res > BIP 220 (2x YL D12SH) >Pump

  6. #506
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    Quote Originally Posted by fellix_bg View Post
    No cookie for that, you should know.
    Fudo gives cookies to his sources and they say similar nonsense, I want mine
    Friends shouldn't let friends use Windows 7 until Microsoft fixes Windows Explorer (link)


    Quote Originally Posted by PerryR, on John Fruehe (JF-AMD) View Post
    Pretty much. Plus, he's here voluntarily.

  7. #507
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    Quote Originally Posted by STaRGaZeR View Post
    Fudo gives cookies to his sources and they say similar nonsense, I want mine


    I still remember back when the RV790 rumor appeared, and we thought that AMD had 2 SIMD rows there for yields.
    And largon used some l33t paint skills to depict what he was seeing, and 2 or 3 sites picked it up and claimed it to be proof.


    Core i7 920 D0 B-batch (4.1) (Kinda Stable?) | DFI X58 T3eH8 (Fed up with its' issues, may get a new board soon) | Patriot 1600 (9-9-9-24) (for now) | XFX HD 4890 (971/1065) (for now) |
    80GB X25-m G2 | WD 640GB | PCP&C 750 | Dell 2408 LCD | NEC 1970GX LCD | Win7 Pro | CoolerMaster ATCS 840 {Modded to reverse-ATX, WC'ing internal}

    CPU Loop: MCP655 > HK 3.0 LT > ST 320 (3x Scythe G's) > ST Res >Pump
    GPU Loop: MCP655 > MCW-60 > PA160 (1x YL D12SH) > ST Res > BIP 220 (2x YL D12SH) >Pump

  8. #508
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    Quote Originally Posted by ToTTenTranz View Post
    Anyone cares to check the difference in die size? It does seem bigger, although not much.
    Supposedly ~284mm2 vs RV770's ~256mm2...
    Originally Posted by motown_steve
    Every genocide that was committed during the 20th century has been preceded by the disarmament of the target population. Once the government outlaws your guns your life becomes a luxury afforded to you by the state. You become a tool to benefit the state. Should you cease to benefit the state or even worse become an annoyance or even a hindrance to the state then your life becomes more trouble than it is worth.

    Once the government outlaws your guns your life is forfeit. You're already dead, it's just a question of when they are going to get around to you.

  9. #509
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    I think we are expecting to much from the Radeon HD4890 I expect this to be along the lines of a cheaper card and an on par performance against the target price or performance segment, what price or performance segment that is, we still don't know.
    In progress......

  10. #510
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    Quote Originally Posted by LordEC911 View Post
    Supposedly ~284mm2 vs RV770's ~256mm2...
    Source?

  11. #511
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    Quote Originally Posted by eleeter View Post
    Source?
    Estimations based on the recent photos.

    Quote Originally Posted by @@@@ View Post
    I think we are expecting to much from the Radeon HD4890 I expect this to be along the lines of a cheaper card and an on par performance against the target price or performance segment, what price or performance segment that is, we still don't know.
    Ummm... no.
    Originally Posted by motown_steve
    Every genocide that was committed during the 20th century has been preceded by the disarmament of the target population. Once the government outlaws your guns your life becomes a luxury afforded to you by the state. You become a tool to benefit the state. Should you cease to benefit the state or even worse become an annoyance or even a hindrance to the state then your life becomes more trouble than it is worth.

    Once the government outlaws your guns your life is forfeit. You're already dead, it's just a question of when they are going to get around to you.

  12. #512
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    Im expecting a lot from HD 4890 OC.
    --lapped Q9650 #L828A446 @ 4.608, 1.45V bios, 1.425V load.
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  13. #513
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    The numbers are out:

    The rumors of AMD's RV790 that had been circulating all over the place have finally been confirmed. An HD4890 was unveiled this morning by a big guy in the graphic card industry. Someone was lucky enough to be the first one to test it. However, due to some confidential concerns, they're unable to reveal the physical image of HD4890 just yet. But they did reveal some initial test results.
    http://www.ocheaven.com/news_view.asp?gid=6754
    http://www.ocheaven.com/news_view.asp?gid=8362
    Last edited by mastrdrver; 03-19-2009 at 10:49 PM.

  14. #514
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    Quote Originally Posted by STaRGaZeR View Post
    http://i44.tinypic.com/2vsn9rn.jpg

    Uncore clock and/or uncore voltage anyone?
    Definitely looks like there's "an uncore voltage".
    Quote Originally Posted by fellix_bg View Post
    Phases on R600 are different than RV790's - from bottom up on R600:
    - 6 vGPU phases
    - 1 GDDR vDD phases
    - 1 GDDR vDDQ phase

    From bottom up on RV790:
    - 3 vGPU phases
    - 2 phases for ??? (clearly detached and controlled independently from vGPU)
    - 1 GDDR vDD phase
    - 1 GDDR vDDQ phase

    Quote Originally Posted by Shintai View Post
    It just means its power hungry
    Actually no, that's ot what it automatically means.
    It could, but it could also mean it's actually less power hungry.
    But that was expected.
    Like that RV790 was nothing but an overclocked RV770?

    Quote Originally Posted by ColonelCain
    And largon used some l33t paint skills to depict what he was seeing, and 2 or 3 sites picked it up and claimed it to be proof.
    Haha! That was just epic.
    Last edited by largon; 03-20-2009 at 03:44 AM.
    You were not supposed to see this.

  15. #515
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    Quote Originally Posted by Shintai View Post
    It just means its power hungry But that was expected.
    ow, so a motherboard with more phases for the CPU will let the CPU consume more power.....
    interesting observation.....

  16. #516
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    highly unimpressive

  17. #517
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    Quote Originally Posted by largon View Post
    Phases on R600 are different than RV790's - from bottom up on R600:
    - 4 vGPU phases
    - 2 GDDR vDD phases
    - 1 GDDR vDDQ phase
    There is additional phase components against the top right corner of the GPU, between the memory chip rows.

  18. #518
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    I think because people are giving such high expectations against the HD4890 it is supposed to be slated for a 20% more performance than the HD4870 but that is still a bit of marketing numbers, a best case scenario.
    In progress......

  19. #519
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    Quote Originally Posted by tenebre View Post
    highly unimpressive
    Well stock clocks mean nothing, if it has better power circuitry it might clock awesome...
    Question : Why do some overclockers switch into d*ckmode when money is involved

    Remark : They call me Pro Asus Saaya yupp, I agree

  20. #520
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    lets hope so! It would be nice!

  21. #521
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    Quote Originally Posted by fellix_bg View Post
    There is additional phase components against the top right corner of the GPU, between the memory chip rows.
    Oops you are right, t'was too early (08:30) to think clearly...
    If you're wondering why the inductors are laid out as 4+2, that's because there are no 6 phase inductor packs on the market. All 6 vGPU phases drain to the same power plane though - unlike those on RV790.
    Quote Originally Posted by largon View Post
    (R600) has 6 vGPU phases and 1+1 for memory
    Quote Originally Posted by LightSpeed View Post
    4890 is not VTEC powered anymore
    You mean "Vitec"?
    And do realize the "Vitec" part is nothing but an inductor. A passive component. And Vitec is only one of the several makers of coupled inductors. Besides Vitec Electronics, atleast CooperBussmann and Pulse Technitrol make them. The PWM itself is still made of Volterra CMOS converters (because nobody else makes them). There's no performance difference between the inductors from different manufacturers.
    the memory chips sure look different,
    Really? Cause I think they look the same exact Qimonda chips as on RV770. Likely of a higher bin, though.
    Last edited by largon; 03-20-2009 at 05:52 AM.
    You were not supposed to see this.

  22. #522
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    On sale

  23. #523
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    Well, it doesn't look like a paper launch after all.
    [SIGPIC][/SIGPIC]

  24. #524
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    If that's a retail card why the smudged barcodes?
    You were not supposed to see this.

  25. #525
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    anyone got a barcode reader and want to convert the bars to serial numbers for us?

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