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GeForce 8800 Ultra vs GeForce 9500 GT DDR2

Intro

The GeForce 8800 Ultra features a clock speed of 612 MHz and a GDDR3 memory speed of 1080 MHz. It also features a 384-bit bus, and makes use of a 90 nm design. It is made up of 128 SPUs, 64 Texture Address Units, and 24 Raster Operation Units.

Compare that to the GeForce 9500 GT DDR2, which has a clock frequency of 550 MHz and a DDR2 memory frequency of 500 MHz. It also features a 128-bit memory bus, and makes use of a 65 nm design. It features 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2 50 Watts
GeForce 8800 Ultra 171 Watts
Difference: 121 Watts (242%)

Memory Bandwidth

As far as performance goes, the GeForce 8800 Ultra should in theory be a lot superior to the GeForce 9500 GT DDR2 overall. (explain)

GeForce 8800 Ultra 103680 MB/sec
GeForce 9500 GT DDR2 16000 MB/sec
Difference: 87680 (548%)

Texel Rate

The GeForce 8800 Ultra should be quite a bit (more or less 345%) more effective at AF than the GeForce 9500 GT DDR2. (explain)

GeForce 8800 Ultra 39168 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 30368 (345%)

Pixel Rate

If using a high resolution is important to you, then the GeForce 8800 Ultra is superior to the GeForce 9500 GT DDR2, by a large margin. (explain)

GeForce 8800 Ultra 14688 Mpixels/sec
GeForce 9500 GT DDR2 4400 Mpixels/sec
Difference: 10288 (234%)

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 8800 Ultra

Amazon.com

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GeForce 9500 GT DDR2

Amazon.com

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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 8800 Ultra GeForce 9500 GT DDR2
Manufacturer nVidia nVidia
Year May 2007 July 2008
Code Name G80 G96a
Memory 768 MB 256 MB
Core Speed 612 MHz 550 MHz
Memory Speed 2160 MHz 1000 MHz
Power (Max TDP) 171 watts 50 watts
Bandwidth 103680 MB/sec 16000 MB/sec
Texel Rate 39168 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 128 32
Texture Mapping Units 64 16
Render Output Units 24 8
Bus Type GDDR3 DDR2
Bus Width 384-bit 128-bit
Fab Process 90 nm 65 nm
Transistors 681 million 314 million
Bus PCIe x16 PCIe x16 2.0, PCI
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better 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 are processed in one second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many 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.

Display Prices

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GeForce 8800 Ultra

Amazon.com

Check prices at:

GeForce 9500 GT DDR2

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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