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GeForce GTX 550 Ti vs Radeon HD 6970

Intro

The GeForce GTX 550 Ti uses a 40 nm design. nVidia has clocked 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 as well as 32 TAUs and 24 ROPs.

Compare those specifications to the Radeon HD 6970, which features a GPU core clock speed of 880 MHz, and 2048 MB of GDDR5 memory set to run at 1375 MHz through a 256-bit bus. It also is made up of 1536 Stream Processors, 96 TAUs, 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

Radeon HD 6970 3470 points
GeForce GTX 550 Ti 1897 points
Difference: 1573 (83%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
Radeon HD 6970 250 Watts
Difference: 134 Watts (116%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6970 should theoretically be quite a bit superior to the GeForce GTX 550 Ti overall. (explain)

Radeon HD 6970 176000 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 77504 (79%)

Texel Rate

The Radeon HD 6970 is quite a bit (approximately 193%) faster with regards to anisotropic filtering than the GeForce GTX 550 Ti. (explain)

Radeon HD 6970 84480 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 55680 (193%)

Pixel Rate

The Radeon HD 6970 will be a lot (about 30%) better at AA than the GeForce GTX 550 Ti, and also will be able to handle higher screen resolutions while still performing well. (explain)

Radeon HD 6970 28160 Mpixels/sec
GeForce GTX 550 Ti 21600 Mpixels/sec
Difference: 6560 (30%)

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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Radeon HD 6970

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 Radeon HD 6970
Manufacturer nVidia AMD
Year March 2011 December 2010
Code Name GF116 Cayman XT
Memory 1024 MB 2048 MB
Core Speed 900 MHz 880 MHz
Memory Speed 4104 MHz 5500 MHz
Power (Max TDP) 116 watts 250 watts
Bandwidth 98496 MB/sec 176000 MB/sec
Texel Rate 28800 Mtexels/sec 84480 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 28160 Mpixels/sec
Unified Shaders 192 1536
Texture Mapping Units 32 96
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 2640 million
Bus PCIe 2.1 x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics 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 maximum number of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 550 Ti

Amazon.com

Check prices at:

Radeon HD 6970

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.

Comments

One Response to “GeForce GTX 550 Ti vs Radeon HD 6970”
james says:

which ones better and by how much?

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