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GeForce GTX 280 vs GeForce GTX 470

Intro

The GeForce GTX 280 uses a 65 nm design. nVidia has clocked the core frequency at 602 MHz. The GDDR3 RAM is set to run at a frequency of 1107 MHz on this model. It features 240 SPUs along with 80 Texture Address Units and 32 Rasterization Operator Units.

Compare that to the GeForce GTX 470, which features a core clock frequency of 607 MHz and a GDDR5 memory frequency of 837 MHz. It also features a 320-bit bus, and uses a 40 nm design. It is made up of 448 SPUs, 56 TAUs, and 40 ROPs.

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

Theoretically, the GeForce GTX 280 should perform a small bit faster than 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 will be much (approximately 42%) more effective at AF than the GeForce GTX 470. (explain)

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

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 470 is superior to the GeForce GTX 280, by far. (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: Memory bandwidth is the largest amount of information (measured in MB per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory per 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 - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on 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 memory bandwidth is, the lower the potential to get to the maximum 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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