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GeForce GT 130 vs GeForce GT 320

Intro

The GeForce GT 130 has a clock frequency of 500 MHz and a DDR2 memory frequency of 250 MHz. It also makes use of a 192-bit memory bus, and makes use of a 55 nm design. It is made up of 48 SPUs, 24 Texture Address Units, and 16 Raster Operation Units.

Compare those specs to the GeForce GT 320, which has GPU clock speed of 540 MHz, and 1024 MB of GDDR3 RAM running at 790 MHz through a 128-bit bus. It also is made up of 72 SPUs, 24 TAUs, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 320 43 Watts
GeForce GT 130 75 Watts
Difference: 32 Watts (74%)

Memory Bandwidth

The GeForce GT 320 should in theory perform a lot faster than the GeForce GT 130 overall. (explain)

GeForce GT 320 25280 MB/sec
GeForce GT 130 12000 MB/sec
Difference: 13280 (111%)

Texel Rate

The GeForce GT 320 is a bit (more or less 8%) better at texture filtering than the GeForce GT 130. (explain)

GeForce GT 320 12960 Mtexels/sec
GeForce GT 130 12000 Mtexels/sec
Difference: 960 (8%)

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 GT 320 4320 Mpixels/sec
Difference: 3680 (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.

Price Comparison

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GeForce GT 130

Amazon.com

Check prices at:

GeForce GT 320

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 GT 130 GeForce GT 320
Manufacturer nVidia nVidia
Year March 10, 2009 February 2010
Code Name G94b GT215
Memory 768 MB 1024 MB
Core Speed 500 MHz 540 MHz
Memory Speed 500 MHz 1580 MHz
Power (Max TDP) 75 watts 43 watts
Bandwidth 12000 MB/sec 25280 MB/sec
Texel Rate 12000 Mtexels/sec 12960 Mtexels/sec
Pixel Rate 8000 Mpixels/sec 4320 Mpixels/sec
Unified Shaders 48 72
Texture Mapping Units 24 24
Render Output Units 16 8
Bus Type DDR2 GDDR3
Bus Width 192-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 505 million 727 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.3

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher 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 most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core 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 fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 130

Amazon.com

Check prices at:

GeForce GT 320

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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