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GeForce GTX 280 vs GeForce GTX 560 Ti


Intro

The GeForce GTX 280 has a clock speed of 602 MHz and a GDDR3 memory speed of 1107 MHz. It also features a 512-bit memory bus, and makes use of a 65 nm design. It is comprised of 240 SPUs, 80 TAUs, and 32 ROPs.

Compare those specs to the GeForce GTX 560 Ti, which makes use of a 40 nm design. nVidia has set the core speed at 822 MHz. The GDDR5 RAM is set to run at a speed of 1002 MHz on this specific model. It features 384 SPUs along with 64 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 Ti 170 Watts
GeForce GTX 280 236 Watts
Difference: 66 Watts (39%)

Memory Bandwidth

In theory, the GeForce GTX 280 will be 10% quicker than the GeForce GTX 560 Ti overall, because of its higher bandwidth. (explain)

GeForce GTX 280 141696 MB/sec
GeForce GTX 560 Ti 128256 MB/sec
Difference: 13440 (10%)

Texel Rate

The GeForce GTX 560 Ti should be just a bit (more or less 9%) better at anisotropic filtering than the GeForce GTX 280. (explain)

GeForce GTX 560 Ti 52608 Mtexels/sec
GeForce GTX 280 48160 Mtexels/sec
Difference: 4448 (9%)

Pixel Rate

The GeForce GTX 560 Ti is quite a bit (about 37%) faster with regards to anti-aliasing than the GeForce GTX 280, and also should be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 560 Ti 26304 Mpixels/sec
GeForce GTX 280 19264 Mpixels/sec
Difference: 7040 (37%)

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

GeForce GTX 280

GeForce GTX 560 Ti

Specifications

Display Specifications

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Model GeForce GTX 280 GeForce GTX 560 Ti
Manufacturer nVidia nVidia
Year June 17, 2008 January 2011
Code Name G200 GF114
Memory 1024 MB 1024 MB
Core Speed 602 MHz 822 MHz
Memory Speed 2214 MHz 4008 MHz
Power (Max TDP) 236 watts 170 watts
Bandwidth 141696 MB/sec 128256 MB/sec
Texel Rate 48160 Mtexels/sec 52608 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 26304 Mpixels/sec
Unified Shaders 240 384
Texture Mapping Units 80 64
Render Output Units 32 32
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 1950 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at 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 write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

GeForce GTX 280

GeForce GTX 560 Ti

Comments

3 Responses to “GeForce GTX 280 vs GeForce GTX 560 Ti”
jose zamora says:

usted cual recomienda, para trabajar con adobe premier cs5, tengo esa duda, quiero comprar unatarjeta que me de resultavos positivos para mi trabajo, si la 280 tiene mayor cantidad de bus pero la 560ti tiene mayor cantidad de ddr5.
gracias por su aporte

Anonymous says:

Te recomiendo la GTX 560 Ti. porque? porque tiene tecnología mas nueva y es mas rápida en los programas que nombras.

jose zamora says:

MUCHAS GRACIAS... POR SU PRONTA RESPUESTA

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