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GeForce GTX 550 Ti vs Geforce GTX 780

Intro

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

Compare those specifications to the Geforce GTX 780, which makes use of a 28 nm design. nVidia has set the core speed at 863 MHz. The GDDR5 memory works at a speed of 1502 MHz on this particular card. It features 2304 SPUs along with 192 Texture Address Units and 48 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 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

The Geforce GTX 780 should in theory perform much faster than 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 should be quite a bit (more or less 475%) better at 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

If using lots of anti-aliasing is important to you, then the Geforce GTX 780 is a better choice, by far. (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 maximum amount of data (counted in MB per second) that can be moved over the external memory interface within a second. It's calculated by multiplying the interface width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster 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 texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs 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 also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to 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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