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GeForce GTS 150 vs Radeon HD 5570

Intro

The GeForce GTS 150 has a clock frequency of 740 MHz and a GDDR3 memory frequency of 500 MHz. It also uses a 256-bit memory bus, and uses a 55 nm design. It features 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare those specifications to the Radeon HD 5570, which makes use of a 40 nm design. AMD has set the core frequency at 650 MHz. The DDR3 RAM works at a frequency of 900 MHz on this card. It features 400(80x5) SPUs along with 20 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5570 43 Watts
GeForce GTS 150 141 Watts
Difference: 98 Watts (228%)

Memory Bandwidth

Performance-wise, the GeForce GTS 150 should theoretically be a bit superior to the Radeon HD 5570 in general. (explain)

GeForce GTS 150 32000 MB/sec
Radeon HD 5570 28800 MB/sec
Difference: 3200 (11%)

Texel Rate

The GeForce GTS 150 should be a lot (approximately 264%) faster with regards to anisotropic filtering than the Radeon HD 5570. (explain)

GeForce GTS 150 47360 Mtexels/sec
Radeon HD 5570 13000 Mtexels/sec
Difference: 34360 (264%)

Pixel Rate

The GeForce GTS 150 will be a lot (about 128%) faster with regards to anti-aliasing than the Radeon HD 5570, and should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTS 150 11840 Mpixels/sec
Radeon HD 5570 5200 Mpixels/sec
Difference: 6640 (128%)

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 GTS 150

Amazon.com

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Radeon HD 5570

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 GTS 150 Radeon HD 5570
Manufacturer nVidia AMD
Year March 10, 2009 February 9, 2010
Code Name G92b Redwood PRO
Memory 1024 MB 512 MB
Core Speed 740 MHz 650 MHz
Memory Speed 1000 MHz 1800 MHz
Power (Max TDP) 141 watts 43 watts
Bandwidth 32000 MB/sec 28800 MB/sec
Texel Rate 47360 Mtexels/sec 13000 Mtexels/sec
Pixel Rate 11840 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 128 400(80x5)
Texture Mapping Units 64 20
Render Output Units 16 8
Bus Type GDDR3 DDR3
Bus Width 256-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 754 million 627 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the bus width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTS 150

Amazon.com

Check prices at:

Radeon HD 5570

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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