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GeForce GTX 280 vs GeForce GTX 470

Intro

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

Compare those specs to the GeForce GTX 470, which has a core clock speed of 607 MHz and a GDDR5 memory speed of 837 MHz. It also uses a 320-bit memory bus, and makes use of a 40 nm design. It is comprised 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

Performance-wise, the GeForce GTX 280 should in theory be a small 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 will be quite a bit (about 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 will be much (about 26%) better at AA than the GeForce GTX 280, and also capable of handling higher resolutions more effectively. (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 max amount of data (measured in MB per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one 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 card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount 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 drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach 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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