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GeForce GTX 570 vs Radeon HD 3650 512MB

Intro

The GeForce GTX 570 uses a 40 nm design. nVidia has set the core speed at 732 MHz. The GDDR5 RAM works at a frequency of 950 MHz on this specific model. It features 480 SPUs as well as 60 TAUs and 40 ROPs.

Compare all of that to the Radeon HD 3650 512MB, which has core clock speeds of 725 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 memory. It features 120(24x5) SPUs along with 8 TAUs and 4 Rasterization Operator Units.

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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

Performance-wise, the GeForce GTX 570 should theoretically be much better 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 should be a lot (approximately 657%) faster with regards to anisotropic filtering 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

The GeForce GTX 570 will be a lot (about 910%) more effective at AA than the Radeon HD 3650 512MB, and also should be able to handle higher resolutions while still performing well. (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: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at 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 that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

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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