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AMD's Budget Video Cards Pack Punches

Need a new videocard, but don’t have the Benjamins—or the need—for a high-end model? Take a look at some of the new budget cards, such as AMD’s ATI Radeon HD 4600 series: AMD’s latest videocards promise to deliver decent gaming performance—and 512 MB frame buffers—for as little as $69

AMD has so far announced two SKUs in this series: The Radeon HD 4650 ($69) and the Radeon HD 4670 ($79). The company plans to ship a third model, which will be outfitted with 1GB of memory, later this month. Both announced cards have the same GPU, which boasts 320 stream-processing units, but a relatively narrow 128-bit memory interface (AMD’s pricier parts have 256-bit memory interfaces, and Nvidia’s top-end GPU has a 512-bit memory interfaces). The 4650’s core clock speed will be set at 600 MHz (compared to the 4670’s 750 MHz).

This is one case where overclocking the cheaper card to achieve the same performance as the more expensive model isn’t going to work: The higher-priced 4670 features GDDR3 memory clocked at 1GHz, but the cheaper model rolls with GDDR2 memory running at just 500MHz. No amount of tweaking is going to compensate for that architectural disadvantage.

These cards are particularly intriguing for those whose interests lie less in gaming and more in 2D and video applications, because the GPU used in both boards features ATI’s Unified Video Decoder (UVD), Avivo HD technology, and support for 7.1-channel surround sound via HDMI. UVD is capable of offloading all HD video-decoding operations from the host CPU, which means you can build a home-theater PC using a cheaper (and cooler) CPU than you might otherwise need.

Nvidia’s new cards can also output surround-sound via HDMI, but their solution is a bit clumsy: When you install the card, you must also route a S/PDIF cable from your motherboard to the card. AMD’s newer cards route audio over the bus, so there’s no need for cable.

  • timaahhh
    Only one page?
    Reply
  • Looks like my geexbox is getting a new radeon.
    Reply
  • silversound
    No comment on performance?
    It almost double the performance of its competitor 9500GT and close competitor to 9600GSO without an extra 6-pin power connector.
    Therefor most of the mainstream desktop from HP, DELL, SONY, LENOVO, ACER can take advantage of that because they mainly used 300WATT or 350WATT power supply.
    Reply
  • cangelini
    timaahhhOnly one page?
    Heya Timaahhh. This is a news story, not a review. Our sample should be arriving today or tomorrow--look for full coverage soon!
    Reply
  • aryothepersian
    HD 4670's benchmark:

    http://www.guru3d.com/article/ati-radeon-hd-4670-review/
    Reply
  • xx12amanxx
    Yeah it brings the pwnage hardcore
    Reply
  • scurvywombat
    According to tweaktown, two of these in Crossfire is about equal to the 4850.
    Reply
  • megamanx00
    Yeah it's basically on the level of the Radeon 3850, but because of the new architectural tweeks even manages to edge out the 3870 in some cases.
    Reply
  • invlem
    Hurray! I can upgrade my HTPC now, currently using the onboard HD3200, but stuck running an HDMI cable & SPDIF to get the 5.1 audio.

    Now I can get the full 7.1 with the HDMI as well.
    Reply
  • chaohsiangchen
    Hoorah! New Graphics Card Chart Q3 2008!
    Reply