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GeForce GT 130 vs Radeon HD 4550 512MB

Intro

The GeForce GT 130 features clock speeds of 500 MHz on the GPU, and 250 MHz on the 768 MB of DDR2 memory. It features 48 SPUs as well as 24 Texture Address Units and 16 ROPs.

Compare those specifications to the Radeon HD 4550 512MB, which uses a 55 nm design. AMD has set the core speed at 600 MHz. The GDDR3 RAM is set to run at a frequency of 800 MHz on this particular model. It features 80(16x5) 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 4550 512MB 25 Watts
GeForce GT 130 75 Watts
Difference: 50 Watts (200%)

Memory Bandwidth

In theory, the Radeon HD 4550 512MB will be 7% quicker than the GeForce GT 130 in general, because of its greater bandwidth. (explain)

Radeon HD 4550 512MB 12800 MB/sec
GeForce GT 130 12000 MB/sec
Difference: 800 (7%)

Texel Rate

The GeForce GT 130 should be a lot (approximately 150%) faster with regards to AF than the Radeon HD 4550 512MB. (explain)

GeForce GT 130 12000 Mtexels/sec
Radeon HD 4550 512MB 4800 Mtexels/sec
Difference: 7200 (150%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GT 130 is the winner, and very much so. (explain)

GeForce GT 130 8000 Mpixels/sec
Radeon HD 4550 512MB 2400 Mpixels/sec
Difference: 5600 (233%)

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 GT 130

Amazon.com

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Radeon HD 4550 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 GT 130 Radeon HD 4550 512MB
Manufacturer nVidia AMD
Year March 10, 2009 Sep 30, 2008
Code Name G94b RV710
Memory 768 MB 512 MB
Core Speed 500 MHz 600 MHz
Memory Speed 500 MHz 1600 MHz
Power (Max TDP) 75 watts 25 watts
Bandwidth 12000 MB/sec 12800 MB/sec
Texel Rate 12000 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 8000 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 48 80(16x5)
Texture Mapping Units 24 8
Render Output Units 16 4
Bus Type DDR2 GDDR3
Bus Width 192-bit 64-bit
Fab Process 55 nm 55 nm
Transistors 505 million 242 million
Bus PCIe x16 2.0 PCIe 2.0 x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 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, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip 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 Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GT 130

Amazon.com

Check prices at:

Radeon HD 4550 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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