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GeForce 8500 GT vs GeForce GT 130

Intro

The GeForce 8500 GT comes with a GPU clock speed of 450 MHz, and the 512 MB of DDR2 memory is set to run at 400 MHz through a 128-bit bus. It also is comprised of 16 Stream Processors, 8 TAUs, and 4 Raster Operation Units.

Compare those specs to the GeForce GT 130, which has core speeds of 500 MHz on the GPU, and 250 MHz on the 768 MB of DDR2 memory. It features 48 SPUs as well as 24 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8500 GT 45 Watts
GeForce GT 130 75 Watts
Difference: 30 Watts (67%)

Memory Bandwidth

In theory, the GeForce 8500 GT should be a bit faster than the GeForce GT 130 in general. (explain)

GeForce 8500 GT 12800 MB/sec
GeForce GT 130 12000 MB/sec
Difference: 800 (7%)

Texel Rate

The GeForce GT 130 is much (about 233%) faster with regards to anisotropic filtering than the GeForce 8500 GT. (explain)

GeForce GT 130 12000 Mtexels/sec
GeForce 8500 GT 3600 Mtexels/sec
Difference: 8400 (233%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GT 130 is a better choice, and very much so. (explain)

GeForce GT 130 8000 Mpixels/sec
GeForce 8500 GT 1800 Mpixels/sec
Difference: 6200 (344%)

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.

Price Comparison

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GeForce 8500 GT

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 8500 GT GeForce GT 130
Manufacturer nVidia nVidia
Year April 2007 March 10, 2009
Code Name G86 G94b
Memory 512 MB 768 MB
Core Speed 450 MHz 500 MHz
Memory Speed 800 MHz 500 MHz
Power (Max TDP) 45 watts 75 watts
Bandwidth 12800 MB/sec 12000 MB/sec
Texel Rate 3600 Mtexels/sec 12000 Mtexels/sec
Pixel Rate 1800 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 16 48
Texture Mapping Units 8 24
Render Output Units 4 16
Bus Type DDR2 DDR2
Bus Width 128-bit 192-bit
Fab Process 80 nm 55 nm
Transistors 210 million 505 million
Bus PCIe x16, PCI, PCIe x16 2.0 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 are processed in one second. This figure is worked out by multiplying the total texture units 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 one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number 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 filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 8500 GT

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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