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GeForce 9500 GT DDR2 vs GeForce GTX 260

Intro

The GeForce 9500 GT DDR2 has a GPU core clock speed of 550 MHz, and the 256 MB of DDR2 memory runs at 500 MHz through a 128-bit bus. It also is made up of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specs to the GeForce GTX 260, which uses a 65 nm design. nVidia has set the core frequency at 576 MHz. The GDDR3 memory works at a frequency of 999 MHz on this specific model. It features 192 SPUs as well as 64 TAUs and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2 50 Watts
GeForce GTX 260 182 Watts
Difference: 132 Watts (264%)

Memory Bandwidth

Performance-wise, the GeForce GTX 260 should theoretically be a lot better than the GeForce 9500 GT DDR2 in general. (explain)

GeForce GTX 260 111888 MB/sec
GeForce 9500 GT DDR2 16000 MB/sec
Difference: 95888 (599%)

Texel Rate

The GeForce GTX 260 is much (more or less 319%) faster with regards to anisotropic filtering than the GeForce 9500 GT DDR2. (explain)

GeForce GTX 260 36864 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 28064 (319%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 260 is a better choice, and very much so. (explain)

GeForce GTX 260 16128 Mpixels/sec
GeForce 9500 GT DDR2 4400 Mpixels/sec
Difference: 11728 (267%)

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 9500 GT DDR2

Amazon.com

GeForce GTX 260

Amazon.com

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 9500 GT DDR2 GeForce GTX 260
Manufacturer nVidia nVidia
Year July 2008 June 16, 2008
Code Name G96a G200
Memory 256 MB 896 MB
Core Speed 550 MHz 576 MHz
Memory Speed 1000 MHz 1998 MHz
Power (Max TDP) 50 watts 182 watts
Bandwidth 16000 MB/sec 111888 MB/sec
Texel Rate 8800 Mtexels/sec 36864 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 16128 Mpixels/sec
Unified Shaders 32 192
Texture Mapping Units 16 64
Render Output Units 8 28
Bus Type DDR2 GDDR3
Bus Width 128-bit 448-bit
Fab Process 65 nm 65 nm
Transistors 314 million 1400 million
Bus PCIe x16 2.0, PCI PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's 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 texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the 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 that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. 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 lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

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