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GeForce GTX 570 vs Radeon HD 3650 512MB

Intro

The GeForce GTX 570 comes with core speeds of 732 MHz on the GPU, and 950 MHz on the 1280 MB of GDDR5 memory. It features 480 SPUs along with 60 Texture Address Units and 40 ROPs.

Compare all of that to the Radeon HD 3650 512MB, which comes with clock speeds of 725 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 RAM. It features 120(24x5) SPUs along with 8 Texture Address Units and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 3650 512MB 78 Watts
GeForce GTX 570 219 Watts
Difference: 141 Watts (181%)

Memory Bandwidth

The GeForce GTX 570 should theoretically perform quite a bit faster than the Radeon HD 3650 512MB in general. (explain)

GeForce GTX 570 152000 MB/sec
Radeon HD 3650 512MB 25600 MB/sec
Difference: 126400 (494%)

Texel Rate

The GeForce GTX 570 will be quite a bit (about 657%) better at AF than the Radeon HD 3650 512MB. (explain)

GeForce GTX 570 43920 Mtexels/sec
Radeon HD 3650 512MB 5800 Mtexels/sec
Difference: 38120 (657%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 570 is the winner, by far. (explain)

GeForce GTX 570 29280 Mpixels/sec
Radeon HD 3650 512MB 2900 Mpixels/sec
Difference: 26380 (910%)

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 3650 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.

Specifications

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Model GeForce GTX 570 Radeon HD 3650 512MB
Manufacturer nVidia AMD
Year December 2010 2008
Code Name GF110 RV635 PRO
Memory 1280 MB 512 MB
Core Speed 732 MHz 725 MHz
Memory Speed 3800 MHz 1600 MHz
Power (Max TDP) 219 watts 78 watts
Bandwidth 152000 MB/sec 25600 MB/sec
Texel Rate 43920 Mtexels/sec 5800 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 2900 Mpixels/sec
Unified Shaders 480 120(24x5)
Texture Mapping Units 60 8
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/AGP 8x
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could 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 colour ROPs by the the core 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 output rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 570

Amazon.com

Check prices at:

Radeon HD 3650 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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