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GeForce GTX 280 vs GeForce GTX 560

Intro

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

Compare those specifications to the GeForce GTX 560, which makes use of a 40 nm design. nVidia has clocked the core speed at 810 MHz. The GDDR5 RAM is set to run at a speed of 1001 MHz on this specific card. It features 336 SPUs as well as 56 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 150 Watts
GeForce GTX 280 236 Watts
Difference: 86 Watts (57%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 280 is 11% faster than the GeForce GTX 560 overall, due to its greater data rate. (explain)

GeForce GTX 280 141696 MB/sec
GeForce GTX 560 128128 MB/sec
Difference: 13568 (11%)

Texel Rate

The GeForce GTX 280 should be just a bit (more or less 6%) more effective at AF than the GeForce GTX 560. (explain)

GeForce GTX 280 48160 Mtexels/sec
GeForce GTX 560 45360 Mtexels/sec
Difference: 2800 (6%)

Pixel Rate

The GeForce GTX 560 should be a lot (approximately 35%) faster with regards to anti-aliasing than the GeForce GTX 280, and should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 560 25920 Mpixels/sec
GeForce GTX 280 19264 Mpixels/sec
Difference: 6656 (35%)

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 280

Amazon.com

Check prices at:

GeForce GTX 560

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 280 GeForce GTX 560
Manufacturer nVidia nVidia
Year June 17, 2008 May 2011
Code Name G200 GF114
Memory 1024 MB 1024 MB
Core Speed 602 MHz 810 MHz
Memory Speed 2214 MHz 4004 MHz
Power (Max TDP) 236 watts 150 watts
Bandwidth 141696 MB/sec 128128 MB/sec
Texel Rate 48160 Mtexels/sec 45360 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 25920 Mpixels/sec
Unified Shaders 240 336
Texture Mapping Units 80 56
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 2.0 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 280

Amazon.com

Check prices at:

GeForce GTX 560

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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