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GeForce 8600 GT 512MB DDR2 vs GeForce GTS 150

Intro

The GeForce 8600 GT 512MB DDR2 comes with a core clock frequency of 540 MHz and a DDR2 memory speed of 400 MHz. It also makes use of a 128-bit memory bus, and uses a 80 nm design. It features 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare all of that to the GeForce GTS 150, which has clock speeds of 740 MHz on the GPU, and 500 MHz on the 1024 MB of GDDR3 memory. It features 128 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce GTS 150 141 Watts
Difference: 94 Watts (200%)

Memory Bandwidth

The GeForce GTS 150 should in theory be much faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

GeForce GTS 150 32000 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 19200 (150%)

Texel Rate

The GeForce GTS 150 is quite a bit (about 448%) more effective at AF than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce GTS 150 47360 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 38720 (448%)

Pixel Rate

The GeForce GTS 150 will be a lot (approximately 174%) more effective at full screen anti-aliasing than the GeForce 8600 GT 512MB DDR2, and should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTS 150 11840 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 7520 (174%)

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 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce GTS 150

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 8600 GT 512MB DDR2 GeForce GTS 150
Manufacturer nVidia nVidia
Year April 2007 March 10, 2009
Code Name G84 G92b
Memory 512 MB 1024 MB
Core Speed 540 MHz 740 MHz
Memory Speed 800 MHz 1000 MHz
Power (Max TDP) 47 watts 141 watts
Bandwidth 12800 MB/sec 32000 MB/sec
Texel Rate 8640 Mtexels/sec 47360 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 11840 Mpixels/sec
Unified Shaders 32 128
Texture Mapping Units 16 64
Render Output Units 8 16
Bus Type DDR2 GDDR3
Bus Width 128-bit 256-bit
Fab Process 80 nm 55 nm
Transistors 289 million 754 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of data (in units of megabytes per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total amount of texture units by the core 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 applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce GTS 150

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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