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GeForce GTX 280 vs GeForce GTX 470

Intro

The GeForce GTX 280 has a core clock speed of 602 MHz and a GDDR3 memory speed of 1107 MHz. It also features a 512-bit memory bus, and uses a 65 nm design. It features 240 SPUs, 80 Texture Address Units, and 32 Raster Operation Units.

Compare those specs to the GeForce GTX 470, which features a clock speed of 607 MHz and a GDDR5 memory frequency of 837 MHz. It also uses a 320-bit bus, and makes use of a 40 nm design. It is made up of 448 SPUs, 56 TAUs, and 40 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 470 215 Watts
GeForce GTX 280 236 Watts
Difference: 21 Watts (10%)

Memory Bandwidth

Performance-wise, the GeForce GTX 280 should theoretically be a little bit superior to the GeForce GTX 470 in general. (explain)

GeForce GTX 280 141696 MB/sec
GeForce GTX 470 133920 MB/sec
Difference: 7776 (6%)

Texel Rate

The GeForce GTX 280 is much (more or less 42%) faster with regards to anisotropic filtering than the GeForce GTX 470. (explain)

GeForce GTX 280 48160 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 14168 (42%)

Pixel Rate

The GeForce GTX 470 is a lot (more or less 26%) better at anti-aliasing than the GeForce GTX 280, and also capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 470 24280 Mpixels/sec
GeForce GTX 280 19264 Mpixels/sec
Difference: 5016 (26%)

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 470

Amazon.com

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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 470
Manufacturer nVidia nVidia
Year June 17, 2008 March 2010
Code Name G200 GF100
Memory 1024 MB 1280 MB
Core Speed 602 MHz 607 MHz
Memory Speed 2214 MHz 3348 MHz
Power (Max TDP) 236 watts 215 watts
Bandwidth 141696 MB/sec 133920 MB/sec
Texel Rate 48160 Mtexels/sec 33992 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 24280 Mpixels/sec
Unified Shaders 240 448
Texture Mapping Units 80 56
Render Output Units 32 40
Bus Type GDDR3 GDDR5
Bus Width 512-bit 320-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 3000 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 280

Amazon.com

Check prices at:

GeForce GTX 470

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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