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GeForce 8600 GT 512MB DDR2 vs GeForce GTX 970

Intro

The GeForce 8600 GT 512MB DDR2 has 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 TAUs and 8 ROPs.

Compare that to the GeForce GTX 970, which features a clock speed of 1050 MHz and a GDDR5 memory frequency of 1750 MHz. It also features a 256-bit memory bus, and uses a 28 nm design. It features 1664 SPUs, 104 Texture Address Units, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce GTX 970 145 Watts
Difference: 98 Watts (209%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 970 should perform a lot faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

GeForce GTX 970 224000 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 211200 (1650%)

Texel Rate

The GeForce GTX 970 should be a lot (about 1164%) more effective at AF than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce GTX 970 109200 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 100560 (1164%)

Pixel Rate

The GeForce GTX 970 will be much (about 1456%) faster with regards to AA than the GeForce 8600 GT 512MB DDR2, and will be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 970 67200 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 62880 (1456%)

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 GTX 970

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 GTX 970
Manufacturer nVidia nVidia
Year April 2007 September 2014
Code Name G84 GM204-200
Memory 512 MB 4096 MB
Core Speed 540 MHz 1050 MHz
Memory Speed 800 MHz 7000 MHz
Power (Max TDP) 47 watts 145 watts
Bandwidth 12800 MB/sec 224000 MB/sec
Texel Rate 8640 Mtexels/sec 109200 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 32 1664
Texture Mapping Units 16 104
Render Output Units 8 64
Bus Type DDR2 GDDR5
Bus Width 128-bit 256-bit
Fab Process 80 nm 28 nm
Transistors 289 million 5200 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core 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 rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce GTX 970

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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