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GeForce 9600 GT 1GB vs GeForce 9800 GX2

Intro

The GeForce 9600 GT 1GB features a GPU core speed of 650 MHz, and the 1024 MB of GDDR3 memory is set to run at 900 MHz through a 256-bit bus. It also is comprised of 64 SPUs, 32 TAUs, and 16 Raster Operation Units.

Compare those specs to the GeForce 9800 GX2, which comes with a clock speed of 600 MHz and a GDDR3 memory frequency of 1000 MHz. It also makes use of a 256-bit memory bus, and uses a 65 nm design. It is made up of 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GT 1GB 95 Watts
GeForce 9800 GX2 197 Watts
Difference: 102 Watts (107%)

Memory Bandwidth

In theory, the GeForce 9800 GX2 should be 122% faster than the GeForce 9600 GT 1GB overall, due to its higher bandwidth. (explain)

GeForce 9800 GX2 128000 MB/sec
GeForce 9600 GT 1GB 57600 MB/sec
Difference: 70400 (122%)

Texel Rate

The GeForce 9800 GX2 will be a lot (approximately 269%) faster with regards to anisotropic filtering than the GeForce 9600 GT 1GB. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
GeForce 9600 GT 1GB 20800 Mtexels/sec
Difference: 56000 (269%)

Pixel Rate

The GeForce 9800 GX2 will be quite a bit (about 85%) faster with regards to AA than the GeForce 9600 GT 1GB, and also will be capable of handling higher resolutions better. (explain)

GeForce 9800 GX2 19200 Mpixels/sec
GeForce 9600 GT 1GB 10400 Mpixels/sec
Difference: 8800 (85%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce 9600 GT 1GB

Amazon.com

Check prices at:

GeForce 9800 GX2

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 9600 GT 1GB GeForce 9800 GX2
Manufacturer nVidia nVidia
Year Feb 2008 Mar 2008
Code Name G94a/b G92
Memory 1024 MB 512 MB (x2)
Core Speed 650 MHz 600 MHz (x2)
Memory Speed 1800 MHz 2000 MHz (x2)
Power (Max TDP) 95 watts 197 watts
Bandwidth 57600 MB/sec 128000 MB/sec
Texel Rate 20800 Mtexels/sec 76800 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 19200 Mpixels/sec
Unified Shaders 64 128 (x2)
Texture Mapping Units 32 64 (x2)
Render Output Units 16 16 (x2)
Bus Type GDDR3 GDDR3
Bus Width 256-bit 256-bit (x2)
Fab Process 65/55 nm 65 nm
Transistors 505 million 754 million
Bus PCIe x16 2.0 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 9600 GT 1GB

Amazon.com

Check prices at:

GeForce 9800 GX2

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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