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GeForce 8600 GT 1GB GDDR3 vs GeForce GTX 650 Ti

Intro

The GeForce 8600 GT 1GB GDDR3 has a clock speed of 540 MHz and a GDDR3 memory frequency of 700 MHz. It also makes use of a 128-bit memory bus, and makes use of a 80 nm design. It is made up of 32 SPUs, 16 TAUs, and 8 Raster Operation Units.

Compare those specs to the GeForce GTX 650 Ti, which comes with a core clock speed of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is comprised of 768 SPUs, 64 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3 47 Watts
GeForce GTX 650 Ti 110 Watts
Difference: 63 Watts (134%)

Memory Bandwidth

Performance-wise, the GeForce GTX 650 Ti should in theory be a lot superior to the GeForce 8600 GT 1GB GDDR3 overall. (explain)

GeForce GTX 650 Ti 86400 MB/sec
GeForce 8600 GT 1GB GDDR3 22400 MB/sec
Difference: 64000 (286%)

Texel Rate

The GeForce GTX 650 Ti is a lot (about 587%) better at anisotropic filtering than the GeForce 8600 GT 1GB GDDR3. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce 8600 GT 1GB GDDR3 8640 Mtexels/sec
Difference: 50752 (587%)

Pixel Rate

The GeForce GTX 650 Ti will be quite a bit (approximately 244%) faster with regards to full screen anti-aliasing than the GeForce 8600 GT 1GB GDDR3, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
GeForce 8600 GT 1GB GDDR3 4320 Mpixels/sec
Difference: 10528 (244%)

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 1GB GDDR3

Amazon.com

Check prices at:

GeForce GTX 650 Ti

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 1GB GDDR3 GeForce GTX 650 Ti
Manufacturer nVidia nVidia
Year April 2007 October 2012
Code Name G84 GK106
Memory 1024 MB 1024 MB
Core Speed 540 MHz 928 MHz
Memory Speed 1400 MHz 5400 MHz
Power (Max TDP) 47 watts 110 watts
Bandwidth 22400 MB/sec 86400 MB/sec
Texel Rate 8640 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 32 768
Texture Mapping Units 16 64
Render Output Units 8 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 80 nm 28 nm
Transistors 289 million 2540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

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

Display Prices

Hide Prices

GeForce 8600 GT 1GB GDDR3

Amazon.com

Check prices at:

GeForce GTX 650 Ti

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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