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GeForce GTX 550 Ti vs Radeon HD 6670 (OEM) 1GB


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 speed of 1026 MHz on this particular card. It features 192 SPUs as well as 32 Texture Address Units and 24 Rasterization Operator Units.

Compare all that to the Radeon HD 6670 (OEM) 1GB, which has GPU core speed of 800 MHz, and 1024 MB of GDDR5 memory running at 1000 MHz through a 128-bit bus. It also is comprised of 480 Stream Processors, 24 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM) 1GB 63 Watts
GeForce GTX 550 Ti 116 Watts
Difference: 53 Watts (84%)

Memory Bandwidth

Performance-wise, the GeForce GTX 550 Ti should theoretically be quite a bit superior to the Radeon HD 6670 (OEM) 1GB in general. (explain)

GeForce GTX 550 Ti 98496 MB/sec
Radeon HD 6670 (OEM) 1GB 64000 MB/sec
Difference: 34496 (54%)

Texel Rate

The GeForce GTX 550 Ti will be a lot (about 50%) faster with regards to anisotropic filtering than the Radeon HD 6670 (OEM) 1GB. (explain)

GeForce GTX 550 Ti 28800 Mtexels/sec
Radeon HD 6670 (OEM) 1GB 19200 Mtexels/sec
Difference: 9600 (50%)

Pixel Rate

The GeForce GTX 550 Ti is a lot (more or less 238%) faster with regards to FSAA than the Radeon HD 6670 (OEM) 1GB, and will be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
Radeon HD 6670 (OEM) 1GB 6400 Mpixels/sec
Difference: 15200 (238%)

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

Radeon HD 6670 (OEM) 1GB

Amazon.com

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 Radeon HD 6670 (OEM) 1GB
Manufacturer nVidia AMD
Year March 2011 February 2011
Code Name GF116 Turks
Memory 1024 MB 1024 MB
Core Speed 900 MHz 800 MHz
Memory Speed 4104 MHz 4000 MHz
Power (Max TDP) 116 watts 63 watts
Bandwidth 98496 MB/sec 64000 MB/sec
Texel Rate 28800 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 6400 Mpixels/sec
Unified Shaders 192 480
Texture Mapping Units 32 24
Render Output Units 24 8
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 715 million
Bus PCIe 2.1 x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in MB per second) that can be moved across the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better 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 processed 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 higher this number, the better the video 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 maximum amount of pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 550 Ti

Amazon.com

Radeon HD 6670 (OEM) 1GB

Amazon.com

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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