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GeForce GTX 280 vs GeForce GTX 470

Intro

The GeForce GTX 280 features core speeds of 602 MHz on the GPU, and 1107 MHz on the 1024 MB of GDDR3 RAM. It features 240 SPUs along with 80 TAUs and 32 ROPs.

Compare those specifications to the GeForce GTX 470, which makes use of a 40 nm design. nVidia has set the core frequency at 607 MHz. The GDDR5 RAM works at a frequency of 837 MHz on this card. It features 448 SPUs as well as 56 TAUs and 40 Rasterization Operator Units.

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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 speaking, the GeForce GTX 280 will be 6% faster than the GeForce GTX 470 in general, due to its greater bandwidth. (explain)

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

Texel Rate

The GeForce GTX 280 should be quite a bit (approximately 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

If using lots of anti-aliasing is important to you, then the GeForce GTX 470 is the winner, 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

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 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 (in units of MB per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 can be processed per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory 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 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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