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GeForce GT 130 vs Radeon HD 5550

Intro

The GeForce GT 130 comes with core speeds of 500 MHz on the GPU, and 250 MHz on the 768 MB of DDR2 RAM. It features 48 SPUs along with 24 TAUs and 16 ROPs.

Compare those specs to the Radeon HD 5550, which has GPU clock speed of 550 MHz, and 512 MB of DDR2 memory set to run at 400 MHz through a 128-bit bus. It also is comprised of 320(64x5) SPUs, 16 TAUs, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon HD 5550 should theoretically be just a bit superior to 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 a lot (about 36%) more effective at texture 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 should be much (approximately 82%) better at anti-aliasing than the Radeon HD 5550, and will 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

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Radeon HD 5550

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 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 maximum amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, 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 number of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to 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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