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GeForce 8600 GT 512MB DDR2 vs GeForce GT 230

Intro

The GeForce 8600 GT 512MB DDR2 comes with core clock speeds of 540 MHz on the GPU, and 400 MHz on the 512 MB of DDR2 memory. It features 32 SPUs along with 16 Texture Address Units and 8 ROPs.

Compare those specs to the GeForce GT 230, which uses a 40 nm design. nVidia has clocked the core frequency at 550 MHz. The DDR3 RAM runs at a frequency of 800 MHz on this specific model. It features 32 SPUs along with 16 Texture Address Units and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce GT 230 65 Watts
Difference: 18 Watts (38%)

Memory Bandwidth

Theoretically, the GeForce GT 230 should perform much faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

GeForce GT 230 38400 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 25600 (200%)

Texel Rate

The GeForce GT 230 should be a bit (about 2%) more effective at texture filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce GT 230 8800 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 160 (2%)

Pixel Rate

The GeForce GT 230 is a small bit (about 2%) more effective at AA than the GeForce 8600 GT 512MB DDR2, and also should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GT 230 4400 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 80 (2%)

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 GT 230

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 GT 230
Manufacturer nVidia nVidia
Year April 2007 October 2009
Code Name G84 GT218
Memory 512 MB 1536 MB
Core Speed 540 MHz 550 MHz
Memory Speed 800 MHz 1600 MHz
Power (Max TDP) 47 watts 65 watts
Bandwidth 12800 MB/sec 38400 MB/sec
Texel Rate 8640 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 32 32
Texture Mapping Units 16 16
Render Output Units 8 8
Bus Type DDR2 DDR3
Bus Width 128-bit 192-bit
Fab Process 80 nm 40 nm
Transistors 289 million 260 million
Bus PCIe x16 PCIe 2.0
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better 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 number of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the clock speed of the card. 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 output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce GT 230

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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