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GeForce GTX 570 vs Radeon HD 3470 512MB

Intro

The GeForce GTX 570 features a GPU clock speed of 732 MHz, and the 1280 MB of GDDR5 RAM runs at 950 MHz through a 320-bit bus. It also is made up of 480 SPUs, 60 Texture Address Units, and 40 Raster Operation Units.

Compare all of that to the Radeon HD 3470 512MB, which makes use of a 55 nm design. AMD has set the core frequency at 800 MHz. The GDDR3 memory works at a frequency of 950 MHz on this specific card. It features 40(8x5) SPUs as well as 4 Texture Address Units and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 570, in theory, should be quite a bit faster than the Radeon HD 3470 512MB overall. (explain)

GeForce GTX 570 152000 MB/sec
Radeon HD 3470 512MB 30400 MB/sec
Difference: 121600 (400%)

Texel Rate

The GeForce GTX 570 will be a lot (approximately 1273%) better at AF than the Radeon HD 3470 512MB. (explain)

GeForce GTX 570 43920 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 40720 (1273%)

Pixel Rate

The GeForce GTX 570 will be a lot (about 815%) better at full screen anti-aliasing than the Radeon HD 3470 512MB, and able to handle higher resolutions more effectively. (explain)

GeForce GTX 570 29280 Mpixels/sec
Radeon HD 3470 512MB 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

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Radeon HD 3470 512MB

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 570 Radeon HD 3470 512MB
Manufacturer nVidia AMD
Year December 2010 2008
Code Name GF110 RV620 PRO
Memory 1280 MB 512 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 GDDR3
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 information (measured in MB per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 570

Amazon.com

Check prices at:

Radeon HD 3470 512MB

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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