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GeForce GTX 560 Ti 448 vs Radeon HD 7950 3GB

Intro

The GeForce GTX 560 Ti 448 has a GPU core clock speed of 732 MHz, and the 1280 MB of GDDR5 memory is set to run at 900 MHz through a 320-bit bus. It also is comprised of 448 Stream Processors, 56 Texture Address Units, and 40 Raster Operation Units.

Compare all of that to the Radeon HD 7950 3GB, which has a GPU core clock speed of 800 MHz, and 3072 MB of GDDR5 memory running at 1250 MHz through a 384-bit bus. It also is comprised of 1792 Stream Processors, 112 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7950 3GB 200 Watts
GeForce GTX 560 Ti 448 210 Watts
Difference: 10 Watts (5%)

Memory Bandwidth

As far as performance goes, the Radeon HD 7950 3GB should in theory be quite a bit better than the GeForce GTX 560 Ti 448 overall. (explain)

Radeon HD 7950 3GB 240000 MB/sec
GeForce GTX 560 Ti 448 144000 MB/sec
Difference: 96000 (67%)

Texel Rate

The Radeon HD 7950 3GB should be quite a bit (more or less 119%) better at AF than the GeForce GTX 560 Ti 448. (explain)

Radeon HD 7950 3GB 89600 Mtexels/sec
GeForce GTX 560 Ti 448 40992 Mtexels/sec
Difference: 48608 (119%)

Pixel Rate

The GeForce GTX 560 Ti 448 is a bit (approximately 14%) faster with regards to FSAA than the Radeon HD 7950 3GB, and should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 560 Ti 448 29280 Mpixels/sec
Radeon HD 7950 3GB 25600 Mpixels/sec
Difference: 3680 (14%)

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 7950 3GB

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 7950 3GB
Manufacturer nVidia AMD
Year December 2011 January 2012
Code Name GF110 Tahiti Pro
Memory 1280 MB 3072 MB
Core Speed 732 MHz 800 MHz
Memory Speed 3600 MHz 5000 MHz
Power (Max TDP) 210 watts 200 watts
Bandwidth 144000 MB/sec 240000 MB/sec
Texel Rate 40992 Mtexels/sec 89600 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 448 1792
Texture Mapping Units 56 112
Render Output Units 40 32
Bus Type GDDR5 GDDR5
Bus Width 320-bit 384-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 4313 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.2 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better 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 amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at 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 write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few 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 7950 3GB

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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