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GeForce GTX 550 Ti vs Geforce GTX 680

Intro

The GeForce GTX 550 Ti uses a 40 nm design. nVidia has set the core frequency at 900 MHz. The GDDR5 memory is set to run at a frequency of 1026 MHz on this particular card. It features 192 SPUs along with 32 Texture Address Units and 24 ROPs.

Compare those specs to the Geforce GTX 680, which has a core clock frequency of 1006 MHz and a GDDR5 memory speed of 1502 MHz. It also uses a 256-bit memory bus, and uses a 28 nm design. It is made up of 1536 SPUs, 128 Texture Address Units, and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Geforce GTX 680 7650 points
GeForce GTX 550 Ti 1897 points
Difference: 5753 (303%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
Geforce GTX 680 195 Watts
Difference: 79 Watts (68%)

Memory Bandwidth

Theoretically, the Geforce GTX 680 should be a lot faster than the GeForce GTX 550 Ti in general. (explain)

Geforce GTX 680 192256 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 93760 (95%)

Texel Rate

The Geforce GTX 680 is much (approximately 347%) more effective at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

Geforce GTX 680 128768 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 99968 (347%)

Pixel Rate

The Geforce GTX 680 should be much (more or less 49%) better at FSAA than the GeForce GTX 550 Ti, and also should be able to handle higher resolutions without losing too much performance. (explain)

Geforce GTX 680 32192 Mpixels/sec
GeForce GTX 550 Ti 21600 Mpixels/sec
Difference: 10592 (49%)

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 550 Ti

Amazon.com

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Geforce GTX 680

Amazon.com

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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 550 Ti Geforce GTX 680
Manufacturer nVidia nVidia
Year March 2011 March 2012
Code Name GF116 GK104
Memory 1024 MB 2048 MB
Core Speed 900 MHz 1006 MHz
Memory Speed 4104 MHz 6008 MHz
Power (Max TDP) 116 watts 195 watts
Bandwidth 98496 MB/sec 192256 MB/sec
Texel Rate 28800 Mtexels/sec 128768 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 32192 Mpixels/sec
Unified Shaders 192 1536
Texture Mapping Units 32 128
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 1170 million 3540 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it must 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics 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 amount of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. 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 fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 550 Ti

Amazon.com

Check prices at:

Geforce GTX 680

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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