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GeForce GTX 570 vs Radeon HD 3470 256MB

Intro

The GeForce GTX 570 makes use of a 40 nm design. nVidia has clocked the core speed at 732 MHz. The GDDR5 memory works at a frequency of 950 MHz on this particular model. It features 480 SPUs along with 60 TAUs and 40 Rasterization Operator Units.

Compare all that to the Radeon HD 3470 256MB, which features a GPU core clock speed of 800 MHz, and 256 MB of DDR2 RAM running at 950 MHz through a 128-bit bus. It also features 40(8x5) SPUs, 4 TAUs, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 570 should perform quite a bit faster than the Radeon HD 3470 256MB overall. (explain)

GeForce GTX 570 152000 MB/sec
Radeon HD 3470 256MB 30400 MB/sec
Difference: 121600 (400%)

Texel Rate

The GeForce GTX 570 will be a lot (approximately 1273%) better at texture filtering than the Radeon HD 3470 256MB. (explain)

GeForce GTX 570 43920 Mtexels/sec
Radeon HD 3470 256MB 3200 Mtexels/sec
Difference: 40720 (1273%)

Pixel Rate

The GeForce GTX 570 is much (approximately 815%) more effective at AA than the Radeon HD 3470 256MB, and also should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 570 29280 Mpixels/sec
Radeon HD 3470 256MB 3200 Mpixels/sec
Difference: 26080 (815%)

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 570

Amazon.com

Check prices at:

Radeon HD 3470 256MB

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 570 Radeon HD 3470 256MB
Manufacturer nVidia AMD
Year December 2010 2008
Code Name GF110 RV620 PRO
Memory 1280 MB 256 MB
Core Speed 732 MHz 800 MHz
Memory Speed 3800 MHz 1900 MHz
Power (Max TDP) 219 watts (Unknown) watts
Bandwidth 152000 MB/sec 30400 MB/sec
Texel Rate 43920 Mtexels/sec 3200 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 3200 Mpixels/sec
Unified Shaders 480 40(8x5)
Texture Mapping Units 60 4
Render Output Units 40 4
Bus Type GDDR5 DDR2
Bus Width 320-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 3000 million (Unknown) million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the interface width by its memory clock speed. If the card has DDR type memory, the result should 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum 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 in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to its 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 card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 570

Amazon.com

Check prices at:

Radeon HD 3470 256MB

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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