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GeForce GT 130 vs Radeon HD 5550

Intro

The GeForce GT 130 features a core clock frequency of 500 MHz and a DDR2 memory speed of 250 MHz. It also features a 192-bit memory bus, and makes use of a 55 nm design. It is made up of 48 SPUs, 24 TAUs, and 16 Raster Operation Units.

Compare those specifications to the Radeon HD 5550, which comes with a clock speed of 550 MHz and a DDR2 memory frequency of 400 MHz. It also makes use of a 128-bit memory bus, and uses a 40 nm design. It is made up of 320(64x5) SPUs, 16 Texture Address Units, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 5550 should perform just a bit faster than the GeForce GT 130 in general. (explain)

Radeon HD 5550 12800 MB/sec
GeForce GT 130 12000 MB/sec
Difference: 800 (7%)

Texel Rate

The GeForce GT 130 is much (more or less 36%) more effective at anisotropic filtering than the Radeon HD 5550. (explain)

GeForce GT 130 12000 Mtexels/sec
Radeon HD 5550 8800 Mtexels/sec
Difference: 3200 (36%)

Pixel Rate

The GeForce GT 130 will be quite a bit (approximately 82%) more effective at FSAA than the Radeon HD 5550, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce GT 130 8000 Mpixels/sec
Radeon HD 5550 4400 Mpixels/sec
Difference: 3600 (82%)

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

Check prices at:

Radeon HD 5550

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 GT 130 Radeon HD 5550
Manufacturer nVidia AMD
Year March 10, 2009 February 9, 2010
Code Name G94b Redwood LE
Memory 768 MB 512 MB
Core Speed 500 MHz 550 MHz
Memory Speed 500 MHz 800 MHz
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 12000 MB/sec 12800 MB/sec
Texel Rate 12000 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 8000 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 48 320(64x5)
Texture Mapping Units 24 16
Render Output Units 16 8
Bus Type DDR2 DDR2
Bus Width 192-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 505 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 largest amount of data (measured in megabytes per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write 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 - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GT 130

Amazon.com

Check prices at:

Radeon HD 5550

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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