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GeForce GT 320 vs GeForce GTX 260

Intro

The GeForce GT 320 has a GPU core speed of 540 MHz, and the 1024 MB of GDDR3 memory runs at 790 MHz through a 128-bit bus. It also is made up of 72 Stream Processors, 24 TAUs, and 8 Raster Operation Units.

Compare all that to the GeForce GTX 260, which uses a 65 nm design. nVidia has set the core frequency at 576 MHz. The GDDR3 RAM works at a frequency of 999 MHz on this particular card. It features 192 SPUs as well as 64 TAUs and 28 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 320 43 Watts
GeForce GTX 260 182 Watts
Difference: 139 Watts (323%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 260 should theoretically be a lot superior to the GeForce GT 320 in general. (explain)

GeForce GTX 260 111888 MB/sec
GeForce GT 320 25280 MB/sec
Difference: 86608 (343%)

Texel Rate

The GeForce GTX 260 will be quite a bit (more or less 184%) faster with regards to anisotropic filtering than the GeForce GT 320. (explain)

GeForce GTX 260 36864 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 23904 (184%)

Pixel Rate

The GeForce GTX 260 should be a lot (approximately 273%) better at full screen anti-aliasing than the GeForce GT 320, and also should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 260 16128 Mpixels/sec
GeForce GT 320 4320 Mpixels/sec
Difference: 11808 (273%)

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 320

Amazon.com

Check prices at:

GeForce GTX 260

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 320 GeForce GTX 260
Manufacturer nVidia nVidia
Year February 2010 June 16, 2008
Code Name GT215 G200
Memory 1024 MB 896 MB
Core Speed 540 MHz 576 MHz
Memory Speed 1580 MHz 1998 MHz
Power (Max TDP) 43 watts 182 watts
Bandwidth 25280 MB/sec 111888 MB/sec
Texel Rate 12960 Mtexels/sec 36864 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 16128 Mpixels/sec
Unified Shaders 72 192
Texture Mapping Units 24 64
Render Output Units 8 28
Bus Type GDDR3 GDDR3
Bus Width 128-bit 448-bit
Fab Process 40 nm 65 nm
Transistors 727 million 1400 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10.1 DirectX 10
OpenGL Version OpenGL 3.3 OpenGL 3.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, 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 number is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 320

Amazon.com

Check prices at:

GeForce GTX 260

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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