NVIDIA GeForce 8600-Series Details Unveiled
Anh Tuan Huynh
March 14, 2007 12:16 AM
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NVIDIA GeForce 8600GTS
NVIDIA GeForce 8600GT
NVIDIA prepares its next-generation mid-range and mainstream DirectX 10 GPUs
received it's briefiing on NVIDIA’s upcoming GeForce 8600GTS, 8600GT and 8500GT graphics processors. NVIDIA’s GeForce 8600GTS and 8600GT are
-based GPUs and target the mid-range markets. The lower-positioned
-based GeForce 8500GT serves as the flagship low to mid-range graphics card.
The budget-priced trio feature full support for DirectX 10 features including pixel and vertex shader model 4.0. NVIDIA has yet to reveal the amount of shaders or shader clocks though. Nevertheless, the trio supports NVIDIA SLI and
NVIDIA touts three dedicated video engines on the
-based graphics cards for PureVideo processing. The video engines provide MPEG-2 high-definition and WMV HD video playback up to resolutions of 1080p.
support hardware accelerated decoding of H.264 video as well; however, NVIDIA makes no mention of VC-1 decoding.
also feature advanced post-processing video algorithms. Supported algorithms include spatial-temporal de-interlacing, inverse 2:2, 3:2 pull-down and 4-tap horizontal, and 5-tap vertical video scaling.
At the top of the mid-range lineup is the GeForce 8600GTS. The
-based graphics core clocks in at 675 MHz. NVIDIA pairs the GeForce 8600GTS with 256MB of GDDR3 memory clocked at 1000 MHz. The memory interfaces with the GPU via a 128-bit bus. The GeForce 8600GTS does not integrate HDCP keys on the GPU. Add-in board partners will have to purchase separate EEPROMs with HDCP keys; however, all GeForce 8600GTS-based graphics cards feature support for HDCP.
GeForce 8600GTS-based graphics cards require an eight-layer PCB. Physically, the cards measure in at 7.2 x 4.376 inches and available in full-height only. NVIDIA GeForce 8600GTS graphics cards feature a PCIe x16 interface, unlike ATI’s upcoming RV630. GeForce 8600GTS-based cards still require external PCIe power. NVIDIA estimates total board power consumption at around 71-watts.
Supported video output connectors include dual dual-link DVI, VGA, SDTV and HDTV outputs, and analog video inputs.
-based GPUs do not support a native HDMI output. Manufacturers can adapt one of the DVI-outputs for
NVIDIA’s GeForce 8600GT is not as performance oriented as the 8600GTS. The GeForce 8600GT GPU clocks in at a more conservative 540 MHz. The memory configuration has more flexibility, letting manufacturers decide between 256MB or 128MB of GDDR3 memory. NVIDIA specifies the memory clock at 700 MHz. The GeForce 8600GT shares the same 128-bit memory interface as the 8600GTS. HDCP support on GeForce 8600GT is optional. The GPU and reference board design support the required HDCP keys EEPROM, however, the implementation is up to NVIDIA’s add-in board partners.
GeForce 8600GT-based graphics cards only require a six-layer PCB instead of the eight-layer PCB of the 8600GTS. The physical board size is also smaller too – measuring in at 6.9 x 4.376 inches. GeForce 8600GT-based cards do not require external PCIe power. NVIDIA rates the maximum board power consumption at 43-watts – 28-watts less than the 8600GTS.
The GeForce 8600GT supports similar video outputs as the 8600GTS, however, the 8600GT does not support video input features.
NVIDIA has revealed very little information on the GeForce 8500GT besides support for GDDR3 and DDR2 memory. It supports dual dual-link DVI, VGA and TV outputs as well.
Expect NVIDIA to pull the wraps off its GeForce 8600GTS, 8600GT and 8500GT next quarter in time to take on
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3/14/2007 5:37:01 AM
so true -- and not even most games, first games.
the 6600gt, the first midrange card with ps 3.0 is not fast enough to run the first game that REQUIRES ps3.0 (splinter cell DA I think) above minimum resolutions/details
I think the best we can hope for is for the 8800gts 320mb to drop down in price to where the 7950gt is now.
I think the comparisons between the 7600gt and 8600gts are also inappropriate; the 8600gts SHOULD be as fast as last generations best card; the 7800GTX, however its more likely that it will only perform like a 7800gt. There was a huge clock difference between the two 550mhz vs 400mhz core and 1700mhz vs 1000mhz memory. Which equates to about a 30fps difference in HL2 @ 1280 4xAA/8xAF
3/14/2007 10:49:57 AM
They are appropriate as they have the same introduction MSRP $199USD, and the 8600 GTS is meant as the 7600 GT replacement, but it will have the performance level in the ballpark of the 7950 GT.
The 7800 GTX 512, please specify that as there is a difference between the 256 and 512 versions, is about on the same level as the 7900 GTX give or take.
The 7950 GT ballpark is relatively close enough to the 7900 GTX in that it represents a substantial improvement. It will basically be equal to 7600 GT SLI, as that is what a 7950 GT is basically.
3/15/2007 8:55:33 PM
Clock speeds are not the same meaning on G80 spec compared to g70 and lower
its like compareing an Intel Core 2 Duo Slower cpu to an P4 cpu that is faster by 1ghz the C2D cpu is faster as it can process more per clock
same goes for the 8xxx cards thay Do not perform the same way the norm performace curve has gone any dx9 games should perform alot better on the 8600 cards then the 7600 cards maybe even the 7800 cards as
even the 8800 gts 320mb is still CPU bound at lower res (if you call 1600x1280 low heh)
8600 id probly bet it meat up with an 7800 cards but we have to wait and see the tests to be done
and these cards are ment to be afordable cards not any thing to fast (but thay still be good)
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