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GeForce 9800 GX2 vs GeForce GT 130

Intro

The GeForce 9800 GX2 has a clock speed of 600 MHz and a GDDR3 memory speed of 1000 MHz. It also makes use of a 256-bit bus, and uses a 65 nm design. It is comprised of 128 SPUs, 64 TAUs, and 16 ROPs.

Compare those specifications to the GeForce GT 130, which has a GPU core clock speed of 500 MHz, and 768 MB of DDR2 memory running at 250 MHz through a 192-bit bus. It also is comprised of 48 SPUs, 24 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 130 75 Watts
GeForce 9800 GX2 197 Watts
Difference: 122 Watts (163%)

Memory Bandwidth

As far as performance goes, the GeForce 9800 GX2 should in theory be much superior to the GeForce GT 130 overall. (explain)

GeForce 9800 GX2 128000 MB/sec
GeForce GT 130 12000 MB/sec
Difference: 116000 (967%)

Texel Rate

The GeForce 9800 GX2 will be much (about 540%) more effective at AF than the GeForce GT 130. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
GeForce GT 130 12000 Mtexels/sec
Difference: 64800 (540%)

Pixel Rate

The GeForce 9800 GX2 should be quite a bit (approximately 140%) better at FSAA than the GeForce GT 130, and also should be capable of handling higher resolutions while still performing well. (explain)

GeForce 9800 GX2 19200 Mpixels/sec
GeForce GT 130 8000 Mpixels/sec
Difference: 11200 (140%)

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 9800 GX2

Amazon.com

Check prices at:

GeForce GT 130

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 9800 GX2 GeForce GT 130
Manufacturer nVidia nVidia
Year Mar 2008 March 10, 2009
Code Name G92 G94b
Memory 512 MB (x2) 768 MB
Core Speed 600 MHz (x2) 500 MHz
Memory Speed 2000 MHz (x2) 500 MHz
Power (Max TDP) 197 watts 75 watts
Bandwidth 128000 MB/sec 12000 MB/sec
Texel Rate 76800 Mtexels/sec 12000 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 128 (x2) 48
Texture Mapping Units 64 (x2) 24
Render Output Units 16 (x2) 16
Bus Type GDDR3 DDR2
Bus Width 256-bit (x2) 192-bit
Fab Process 65 nm 55 nm
Transistors 754 million 505 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 max amount of information (measured in MB per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GX2

Amazon.com

Check prices at:

GeForce GT 130

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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