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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 RAM works at a speed of 900 MHz on this specific card. It features 448 SPUs as well as 56 Texture Address Units and 40 ROPs.

Compare all of that to the Radeon HD 6790, which features GPU core speed of 840 MHz, and 1024 MB of GDDR5 memory running at 1050 MHz through a 256-bit bus. It also is comprised of 800 SPUs, 40 TAUs, and 16 Raster Operation Units.

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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

Theoretically, the GeForce GTX 560 Ti 448 should be a small bit faster than the Radeon HD 6790 in general. (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 (about 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 will be quite a bit (more or less 118%) faster with regards to full screen anti-aliasing than the Radeon HD 6790, and also capable of handling higher screen resolutions without losing too much performance. (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: Bandwidth is the max amount of information (counted in megabytes per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR 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, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in a 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 - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max 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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