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GeForce GTX 285 1GB vs GeForce GTX 660 Ti

Intro

The GeForce GTX 285 1GB comes with clock speeds of 648 MHz on the GPU, and 1242 MHz on the 1024 MB of GDDR3 memory. It features 240 SPUs as well as 80 TAUs and 32 Rasterization Operator Units.

Compare all of that to the GeForce GTX 660 Ti, which features core clock speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 RAM. It features 1344 SPUs along with 112 TAUs and 24 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
GeForce GTX 285 1GB 204 Watts
Difference: 54 Watts (36%)

Memory Bandwidth

Theoretically, the GeForce GTX 285 1GB should be a small bit faster than the GeForce GTX 660 Ti in general. (explain)

GeForce GTX 285 1GB 158976 MB/sec
GeForce GTX 660 Ti 144000 MB/sec
Difference: 14976 (10%)

Texel Rate

The GeForce GTX 660 Ti should be much (about 98%) more effective at texture filtering than the GeForce GTX 285 1GB. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 285 1GB 51840 Mtexels/sec
Difference: 50640 (98%)

Pixel Rate

The GeForce GTX 660 Ti should be a small bit (more or less 6%) better at FSAA than the GeForce GTX 285 1GB, and will be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
GeForce GTX 285 1GB 20736 Mpixels/sec
Difference: 1224 (6%)

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 GTX 285 1GB

Amazon.com

Check prices at:

GeForce GTX 660 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 GTX 285 1GB GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year January 15, 2009 August 2012
Code Name G200b GK104
Memory 1024 MB 2048 MB
Core Speed 648 MHz 915 MHz
Memory Speed 2484 MHz 6000 MHz
Power (Max TDP) 204 watts 150 watts
Bandwidth 158976 MB/sec 144000 MB/sec
Texel Rate 51840 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 240 1344
Texture Mapping Units 80 112
Render Output Units 32 24
Bus Type GDDR3 GDDR5
Bus Width 512-bit 192-bit
Fab Process 55 nm 28 nm
Transistors 1400 million 3540 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.1 OpenGL 4.3

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

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the video 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 most pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 285 1GB

Amazon.com

Check prices at:

GeForce GTX 660 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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