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GeForce 9500 GT DDR2 vs GeForce GTX 260

Intro

The GeForce 9500 GT DDR2 features a GPU clock speed of 550 MHz, and the 256 MB of DDR2 memory is set to run at 500 MHz through a 128-bit bus. It also features 32 Stream Processors, 16 TAUs, and 8 ROPs.

Compare those specifications to the GeForce GTX 260, which makes use of a 65 nm design. nVidia has clocked the core frequency at 576 MHz. The GDDR3 memory runs at a frequency of 999 MHz on this particular card. It features 192 SPUs along with 64 TAUs and 28 Rasterization Operator Units.

Display Graphs

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(No game benchmarks for this combination yet.)

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

Theoretically speaking, the GeForce GTX 260 should be 599% quicker than the GeForce 9500 GT DDR2 overall, because of its higher data rate. (explain)

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

Texel Rate

The GeForce GTX 260 should be a lot (more or less 319%) more effective at AF 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 resolution is important to you, then the GeForce GTX 260 is the winner, by a large margin. (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

Display Prices

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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
Fab Process 65 nm 65 nm
Bus PCIe x16 2.0, PCI PCIe x16 2.0
Memory 256 MB 896 MB
Core Speed 550 MHz 576 MHz
Shader Speed 1400 MHz 1242 MHz
Memory Speed 1000 MHz 1998 MHz
Unified Shaders 32 192
Texture Mapping Units 16 64
Render Output Units 8 28
Bus Type DDR2 GDDR3
Bus Width 128-bit 448-bit
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.1
Power (Max TDP) 50 watts 182 watts
Shader Model 4.0 4.0
Bandwidth 16000 MB/sec 111888 MB/sec
Texel Rate 8800 Mtexels/sec 36864 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 16128 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 applied per second. This is worked out by multiplying the total amount 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

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