AMD "RV610" and "RV630" Details Unveiled
Anh Tuan Huynh
March 13, 2007 1:22 AM
comment(s) - last by
AMD packs next-generation AVIVO high-definition video decoding features into its value and mainstream lineup
AMD’s next-generation value and mainstream products are set to bring DirectX 10 and high-definition video playback to the masses. Although AMD is late to the DirectX 10 game, the upcoming
feature second-generation unified shaders with shader model 4.0 support. AMD has remained hush over the amount of unified shaders and shader clock speeds of its next-generation value and mainstream products though.
AMD is prepared to take on
NVIDIA’s PureVideo HD
with its next-generation AVIVO video processing. AVIVO is receiving its first upgrade since its introduction with the Radeon X1k-series with the
. This time around, AMD is integrating its
Universal Video Decoder
, for hardware decoding of H.264 and VC-1 high-definition video formats.
AMD’s UVD expands on the previous generation’s AVIVO implementation to include hardware bit stream processing and entropy decode functions. Hardware acceleration of frequency transform, pixel prediction and deblocking functions remain supported, as with the first generation AVIVO processing. AMD’s Advanced Video Processor, or AVP, has also made the cut for low power video processing.
with support for HDCP joins the next-generation AVIVO video processing for protected high-definition video playback. Unlike current HDMI implementations on PCIe graphics cards,
integrate audio functionality into the GPU. Instead of passing a PCM or Dolby Digital signal from onboard audio or a sound card,
-based graphics cards can directly output audio – removing the need of a separate sound card.
support PCIe 2.0 for increased bandwidth. Native support for CrossFire remains, as with current ATI Radeon X1650 XT and X1950 Pro products. AMD will also debut
on a 65nm manufacturing processor for low-power consumption. Expect
products to consume around 25 to 35-watts.
requires more power at around 75 to 128-watts.
AMD currently has four
reference designs based on two
Antelope FH, Antelope LP, Falcon FH
reference boards and
are similar; however,
is the low-profile variant. Both reference boards feature 128MB or 256MB of DDR2 video memory clocked at 400 MHz.
boards employ the
, feature passive cooling and consume less than 25-watts of power.
reference board is another low-profile model with 256MB of GDDR3 memory clocked at 700 MHz.
takes advantage of a
connector for dual video outputs while maintaining a low profile form factor. The
reference board employs active cooling to cool the
only support software CrossFire – all lack support for the
CrossFire bridge connector
confirmed this CrossFire setup
in a recent report last week
reference board is the performance variant and designed for the
ASIC with 256MB of GDDR3 video memory. AMD estimates board power consumption at approximately 35-watts, though it is unknown if
boards will feature active or passive cooling.
is the only
reference board to support AMD’s CrossFire bridge connector for hardware CrossFire support.
also features VIVO capabilities.
has three reference board configurations –
is the high-performance
variant and features 256MB or 512MB of GDDR4 memory. It also features VIVO and dual dual-link DVI outputs. However, it consumes the most power out of the three
reference boards, requiring 121-watts for 256MB models and 128-watts for 512MB models.
falls in the middle with 256MB of GDDR3 video memory.
lacks the video input features of
but supports HDMI output. AMD estimates
to consume less than 93-watts of power.
support PCIe 2.0 and native CrossFire.
require additional power via PCIe power connector though.
falls at the bottom of the
lineup and features 256MB or 512MB of DDR2 video memory. HDMI remains supported, as with
though. Power consumption is estimated at less than 75-watts, and does not require the additional power supplied by a PCIe power connector. All
boards feature 128-bit memory interfaces and occupy a single-slot.
This article is over a month old, voting and posting comments is disabled
3/13/2007 3:21:20 PM
I understand what you're saying, but consider the following:
Assuming G84 has 64 shaders as expected and assuming it had 2/3 the ROP's of the GTX (as opposed 1/3 if it uses a 128-bit mem interface as expected--more on this later), then it should end up around 300-400 million transistors. On an 80nm process, this will result in roughly the same die size as the 256-bit G71 (7900). Furthemore, the X1950 PRO has 330 million on an 80nm process with a 256-bit interface.
So if they can sell us 7900's and X1950's with 256-bit connections for around $150 now (my $140 EVGA 7900GS KO arrived yesterday),
why can't they sell us a ~$225 G84/RV630 with 256-bit memory interfaces?
I think this is exactly what enthusiasts on a budget have been waiting for.
In the case of G84, a 128-bit interface with the GeForce 8 architecture implies these cards will only have 1/3 the ROP's of the 8800GTX. Hence, the first wave of midrange cards from Nvidia will be crippled in two ways (both memory and ROP power).
Hence, I believe G84 is just a stopgap until they can roll out midrange cards on 65nm using GDDR4. This will allow them to increase both core and mem clocks, making up for the lack of ROP power and bus width.
They're not giving us more hardware in the meantime so that they can maintain pin-combatability with the 6600/7600GT's.
(Of course, we all know what they really should have given us: a 384MB 192-bit midrange card. How perfect would that have been?)
"We don't know how to make a $500 computer that's not a piece of junk." -- Apple CEO Steve Jobs
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