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GeForce GTX 550 Ti vs Geforce GTX 780

Intro

The GeForce GTX 550 Ti has core clock speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 RAM. It features 192 SPUs as well as 32 Texture Address Units and 24 Rasterization Operator Units.

Compare that to the Geforce GTX 780, which uses a 28 nm design. nVidia has clocked the core frequency at 863 MHz. The GDDR5 RAM is set to run at a frequency of 1502 MHz on this specific model. It features 2304 SPUs along with 192 Texture Address Units and 48 Rasterization Operator Units.

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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 780 10082 points
GeForce GTX 550 Ti 1897 points
Difference: 8185 (431%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
Geforce GTX 780 250 Watts
Difference: 134 Watts (116%)

Memory Bandwidth

As far as performance goes, the Geforce GTX 780 should theoretically be much superior to the GeForce GTX 550 Ti in general. (explain)

Geforce GTX 780 288384 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 189888 (193%)

Texel Rate

The Geforce GTX 780 is quite a bit (about 475%) faster with regards to anisotropic filtering than the GeForce GTX 550 Ti. (explain)

Geforce GTX 780 165696 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 136896 (475%)

Pixel Rate

The Geforce GTX 780 is a lot (more or less 92%) faster with regards to anti-aliasing than the GeForce GTX 550 Ti, and also capable of handling higher screen resolutions while still performing well. (explain)

Geforce GTX 780 41424 Mpixels/sec
GeForce GTX 550 Ti 21600 Mpixels/sec
Difference: 19824 (92%)

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 780

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 780
Manufacturer nVidia nVidia
Year March 2011 May 2013
Code Name GF116 GK110
Memory 1024 MB 3072 MB
Core Speed 900 MHz 863 MHz
Memory Speed 4104 MHz 6008 MHz
Power (Max TDP) 116 watts 250 watts
Bandwidth 98496 MB/sec 288384 MB/sec
Texel Rate 28800 Mtexels/sec 165696 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 41424 Mpixels/sec
Unified Shaders 192 2304
Texture Mapping Units 32 192
Render Output Units 24 48
Bus Type GDDR5 GDDR5
Bus Width 192-bit 384-bit
Fab Process 40 nm 28 nm
Transistors 1170 million 7080 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be moved over the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the 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 could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the card's 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 fill 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 GTX 550 Ti

Amazon.com

Check prices at:

Geforce GTX 780

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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