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GeForce 9500 GT DDR2 vs GeForce 9800 GT 1GB

Intro

The GeForce 9500 GT DDR2 has clock speeds of 550 MHz on the GPU, and 500 MHz on the 256 MB of DDR2 memory. It features 32 SPUs along with 16 TAUs and 8 Rasterization Operator Units.

Compare those specs to the GeForce 9800 GT 1GB, which has a GPU core clock speed of 600 MHz, and 1024 MB of GDDR3 memory running at 900 MHz through a 256-bit bus. It also is made up of 112 SPUs, 56 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2 50 Watts
GeForce 9800 GT 1GB 105 Watts
Difference: 55 Watts (110%)

Memory Bandwidth

Theoretically speaking, the GeForce 9800 GT 1GB should be 260% quicker than the GeForce 9500 GT DDR2 in general, due to its greater data rate. (explain)

GeForce 9800 GT 1GB 57600 MB/sec
GeForce 9500 GT DDR2 16000 MB/sec
Difference: 41600 (260%)

Texel Rate

The GeForce 9800 GT 1GB will be a lot (about 282%) better at AF than the GeForce 9500 GT DDR2. (explain)

GeForce 9800 GT 1GB 33600 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 24800 (282%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce 9800 GT 1GB is a better choice, by far. (explain)

GeForce 9800 GT 1GB 9600 Mpixels/sec
GeForce 9500 GT DDR2 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 9500 GT DDR2

Amazon.com

Check prices at:

GeForce 9800 GT 1GB

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 9500 GT DDR2 GeForce 9800 GT 1GB
Manufacturer nVidia nVidia
Year July 2008 July 2008
Code Name G96a G92a/b
Memory 256 MB 1024 MB
Core Speed 550 MHz 600 MHz
Memory Speed 1000 MHz 1800 MHz
Power (Max TDP) 50 watts 105 watts
Bandwidth 16000 MB/sec 57600 MB/sec
Texel Rate 8800 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 9600 Mpixels/sec
Unified Shaders 32 112
Texture Mapping Units 16 56
Render Output Units 8 16
Bus Type DDR2 GDDR3
Bus Width 128-bit 256-bit
Fab Process 65 nm 65/55 nm
Transistors 314 million 754 million
Bus PCIe x16 2.0, PCI PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, 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 are applied in one second. This figure is calculated by multiplying the total amount of texture units by the core clock 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 a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9500 GT DDR2

Amazon.com

Check prices at:

GeForce 9800 GT 1GB

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.

Comments

One Response to “GeForce 9500 GT DDR2 vs GeForce 9800 GT 1GB”
Aa says:

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