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GeForce GT 130 vs Radeon HD 6750 1GB

Intro

The GeForce GT 130 features a GPU core speed of 500 MHz, and the 768 MB of DDR2 memory is set to run at 250 MHz through a 192-bit bus. It also is comprised of 48 SPUs, 24 TAUs, and 16 ROPs.

Compare that to the Radeon HD 6750 1GB, which features core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 720 SPUs as well as 36 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 130 75 Watts
Radeon HD 6750 1GB 86 Watts
Difference: 11 Watts (15%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6750 1GB should perform a lot faster than the GeForce GT 130 in general. (explain)

Radeon HD 6750 1GB 64000 MB/sec
GeForce GT 130 12000 MB/sec
Difference: 52000 (433%)

Texel Rate

The Radeon HD 6750 1GB will be a lot (approximately 118%) better at texture filtering than the GeForce GT 130. (explain)

Radeon HD 6750 1GB 26100 Mtexels/sec
GeForce GT 130 12000 Mtexels/sec
Difference: 14100 (118%)

Pixel Rate

The Radeon HD 6750 1GB should be a lot (more or less 45%) more effective at AA than the GeForce GT 130, and also will be able to handle higher resolutions without losing too much performance. (explain)

Radeon HD 6750 1GB 11600 Mpixels/sec
GeForce GT 130 8000 Mpixels/sec
Difference: 3600 (45%)

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 6750 1GB

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 6750 1GB
Manufacturer nVidia AMD
Year March 10, 2009 January 2011
Code Name G94b Juniper Pro
Memory 768 MB 1024 MB
Core Speed 500 MHz 725 MHz
Memory Speed 500 MHz 4000 MHz
Power (Max TDP) 75 watts 86 watts
Bandwidth 12000 MB/sec 64000 MB/sec
Texel Rate 12000 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 8000 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 48 720
Texture Mapping Units 24 36
Render Output Units 16 16
Bus Type DDR2 GDDR5
Bus Width 192-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 505 million 1040 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in MB per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type memory, the result should 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 AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory 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 6750 1GB

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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