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GeForce GTX 560 Ti 448 vs Radeon R5 M255

Intro

The GeForce GTX 560 Ti 448 has a clock speed of 732 MHz and a GDDR5 memory frequency of 900 MHz. It also uses a 320-bit memory bus, and makes use of a 40 nm design. It features 448 SPUs, 56 Texture Address Units, and 40 ROPs.

Compare all that to the Radeon R5 M255, which features a core clock speed of 940 MHz and a DDR3 memory frequency of 1000 MHz. It also makes use of a 64-bit memory bus, and uses a 28 nm design. It features 320 SPUs, 20 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX 560 Ti 448 should theoretically be a lot superior to the Radeon R5 M255 overall. (explain)

GeForce GTX 560 Ti 448 144000 MB/sec
Radeon R5 M255 16000 MB/sec
Difference: 128000 (800%)

Texel Rate

The GeForce GTX 560 Ti 448 will be much (approximately 118%) faster with regards to texture filtering than the Radeon R5 M255. (explain)

GeForce GTX 560 Ti 448 40992 Mtexels/sec
Radeon R5 M255 18800 Mtexels/sec
Difference: 22192 (118%)

Pixel Rate

The GeForce GTX 560 Ti 448 should be much (approximately 289%) better at full screen anti-aliasing than the Radeon R5 M255, and also should be capable of handling higher resolutions better. (explain)

GeForce GTX 560 Ti 448 29280 Mpixels/sec
Radeon R5 M255 7520 Mpixels/sec
Difference: 21760 (289%)

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

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Radeon R5 M255

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 R5 M255
Manufacturer nVidia AMD
Year December 2011 June 2014
Code Name GF110 Jet Pro
Memory 1280 MB 2048 MB
Core Speed 732 MHz 940 MHz
Memory Speed 3600 MHz 2000 MHz
Power (Max TDP) 210 watts (Unknown) watts
Bandwidth 144000 MB/sec 16000 MB/sec
Texel Rate 40992 Mtexels/sec 18800 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 7520 Mpixels/sec
Unified Shaders 448 320
Texture Mapping Units 56 20
Render Output Units 40 8
Bus Type GDDR5 DDR3
Bus Width 320-bit 64-bit
Fab Process 40 nm 28 nm
Transistors 3000 million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x8
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it must 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, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total number of texture units 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 most 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 clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory 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 R5 M255

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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