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GeForce GTX 560 Ti 448 vs Radeon HD 6790

Intro

The GeForce GTX 560 Ti 448 uses a 40 nm design. nVidia has set the core speed at 732 MHz. The GDDR5 memory is set to run at a frequency of 900 MHz on this particular card. It features 448 SPUs along with 56 TAUs and 40 ROPs.

Compare those specs to the Radeon HD 6790, which comes with a core clock frequency of 840 MHz and a GDDR5 memory frequency of 1050 MHz. It also makes use of a 256-bit memory bus, and makes use of a 40 nm design. It features 800 SPUs, 40 Texture Address Units, and 16 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 560 Ti 448 4200 points
Radeon HD 6790 2150 points
Difference: 2050 (95%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6790 150 Watts
GeForce GTX 560 Ti 448 210 Watts
Difference: 60 Watts (40%)

Memory Bandwidth

In theory, the GeForce GTX 560 Ti 448 will be 7% quicker than the Radeon HD 6790 in general, because of its greater bandwidth. (explain)

GeForce GTX 560 Ti 448 144000 MB/sec
Radeon HD 6790 134400 MB/sec
Difference: 9600 (7%)

Texel Rate

The GeForce GTX 560 Ti 448 should be quite a bit (approximately 22%) faster with regards to texture filtering than the Radeon HD 6790. (explain)

GeForce GTX 560 Ti 448 40992 Mtexels/sec
Radeon HD 6790 33600 Mtexels/sec
Difference: 7392 (22%)

Pixel Rate

The GeForce GTX 560 Ti 448 should be quite a bit (more or less 118%) faster with regards to FSAA than the Radeon HD 6790, and also should be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 560 Ti 448 29280 Mpixels/sec
Radeon HD 6790 13440 Mpixels/sec
Difference: 15840 (118%)

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 560 Ti 448

Amazon.com

Check prices at:

Radeon HD 6790

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 560 Ti 448 Radeon HD 6790
Manufacturer nVidia AMD
Year December 2011 April 2011
Code Name GF110 Barts LE
Memory 1280 MB 1024 MB
Core Speed 732 MHz 840 MHz
Memory Speed 3600 MHz 4200 MHz
Power (Max TDP) 210 watts 150 watts
Bandwidth 144000 MB/sec 134400 MB/sec
Texel Rate 40992 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 13440 Mpixels/sec
Unified Shaders 448 800
Texture Mapping Units 56 40
Render Output Units 40 16
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 1700 million
Bus PCIe 2.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.2 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it must 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 anti-aliasing, HDR and higher screen resolutions.

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

Display Prices

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GeForce GTX 560 Ti 448

Amazon.com

Check prices at:

Radeon HD 6790

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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