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GeForce 8800 GT 512MB vs GeForce 9500 GT 1GB GDDR3

Intro

The GeForce 8800 GT 512MB features a GPU core speed of 600 MHz, and the 512 MB of GDDR3 memory is set to run at 900 MHz through a 256-bit bus. It also features 112 SPUs, 56 Texture Address Units, and 16 ROPs.

Compare all of that to the GeForce 9500 GT 1GB GDDR3, which features a core clock speed of 550 MHz and a GDDR3 memory frequency of 800 MHz. It also features a 128-bit bus, and uses a 55 nm design. It is comprised of 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 1GB GDDR3 50 Watts
GeForce 8800 GT 512MB 105 Watts
Difference: 55 Watts (110%)

Memory Bandwidth

In theory, the GeForce 8800 GT 512MB should be 125% faster than the GeForce 9500 GT 1GB GDDR3 in general, because of its greater bandwidth. (explain)

GeForce 8800 GT 512MB 57600 MB/sec
GeForce 9500 GT 1GB GDDR3 25600 MB/sec
Difference: 32000 (125%)

Texel Rate

The GeForce 8800 GT 512MB is a lot (more or less 282%) more effective at anisotropic filtering than the GeForce 9500 GT 1GB GDDR3. (explain)

GeForce 8800 GT 512MB 33600 Mtexels/sec
GeForce 9500 GT 1GB GDDR3 8800 Mtexels/sec
Difference: 24800 (282%)

Pixel Rate

The GeForce 8800 GT 512MB should be much (approximately 118%) more effective at full screen anti-aliasing than the GeForce 9500 GT 1GB GDDR3, and will be capable of handling higher screen resolutions while still performing well. (explain)

GeForce 8800 GT 512MB 9600 Mpixels/sec
GeForce 9500 GT 1GB GDDR3 4400 Mpixels/sec
Difference: 5200 (118%)

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 GT 512MB

Amazon.com

Check prices at:

GeForce 9500 GT 1GB GDDR3

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 8800 GT 512MB GeForce 9500 GT 1GB GDDR3
Manufacturer nVidia nVidia
Year Oct 2007 July 2008
Code Name G92 G96b
Memory 512 MB 1024 MB
Core Speed 600 MHz 550 MHz
Memory Speed 1800 MHz 1600 MHz
Power (Max TDP) 105 watts 50 watts
Bandwidth 57600 MB/sec 25600 MB/sec
Texel Rate 33600 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 112 32
Texture Mapping Units 56 16
Render Output Units 16 8
Bus Type GDDR3 GDDR3
Bus Width 256-bit 128-bit
Fab Process 65 nm 55 nm
Transistors 754 million 314 million
Bus PCIe x16 2.0 PCIe x16 2.0, PCI
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the bus width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called 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 of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 512MB

Amazon.com

Check prices at:

GeForce 9500 GT 1GB GDDR3

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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