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GeForce GTX 550 Ti vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 550 Ti uses a 40 nm design. nVidia has set the core speed at 900 MHz. The GDDR5 RAM runs at a frequency of 1026 MHz on this particular card. It features 192 SPUs as well as 32 TAUs and 24 ROPs.

Compare those specs to the GeForce GTX 650 Ti 2GB, which has a clock frequency of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also uses a 128-bit bus, and makes use of a 28 nm design. It is made up of 768 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce GTX 550 Ti 116 Watts
Difference: 6 Watts (5%)

Memory Bandwidth

In theory, the GeForce GTX 550 Ti should perform a small bit faster than the GeForce GTX 650 Ti 2GB in general. (explain)

GeForce GTX 550 Ti 98496 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 12096 (14%)

Texel Rate

The GeForce GTX 650 Ti 2GB is much (more or less 106%) faster with regards to AF than the GeForce GTX 550 Ti. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 30592 (106%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 550 Ti is the winner, and very much so. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 6752 (45%)

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

Check prices at:

GeForce GTX 650 Ti 2GB

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 550 Ti GeForce GTX 650 Ti 2GB
Manufacturer nVidia nVidia
Year March 2011 October 2012
Code Name GF116 GK106
Memory 1024 MB 2048 MB
Core Speed 900 MHz 928 MHz
Memory Speed 4104 MHz 5400 MHz
Power (Max TDP) 116 watts 110 watts
Bandwidth 98496 MB/sec 86400 MB/sec
Texel Rate 28800 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 192 768
Texture Mapping Units 32 64
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million 2540 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 information (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 are processed per second. This number is calculated by multiplying the total amount of texture units of the card by the core 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 per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 550 Ti

Amazon.com

Check prices at:

GeForce GTX 650 Ti 2GB

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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