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GeForce GT 130 vs Radeon HD 6450 (OEM)

Intro

The GeForce GT 130 has clock speeds of 500 MHz on the GPU, and 250 MHz on the 768 MB of DDR2 memory. It features 48 SPUs along with 24 TAUs and 16 Rasterization Operator Units.

Compare those specs to the Radeon HD 6450 (OEM), which has a clock speed of 625 MHz and a GDDR3 memory speed of 800 MHz. It also features a 64-bit bus, and uses a 40 nm design. It is made up of 160 SPUs, 8 TAUs, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 31 Watts
GeForce GT 130 75 Watts
Difference: 44 Watts (142%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6450 (OEM) should perform a little bit faster than the GeForce GT 130 in general. (explain)

Radeon HD 6450 (OEM) 12800 MB/sec
GeForce GT 130 12000 MB/sec
Difference: 800 (7%)

Texel Rate

The GeForce GT 130 will be a lot (about 140%) better at texture filtering than the Radeon HD 6450 (OEM). (explain)

GeForce GT 130 12000 Mtexels/sec
Radeon HD 6450 (OEM) 5000 Mtexels/sec
Difference: 7000 (140%)

Pixel Rate

The GeForce GT 130 should be quite a bit (more or less 220%) faster with regards to anti-aliasing than the Radeon HD 6450 (OEM), and also will be able to handle higher resolutions while still performing well. (explain)

GeForce GT 130 8000 Mpixels/sec
Radeon HD 6450 (OEM) 2500 Mpixels/sec
Difference: 5500 (220%)

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 6450 (OEM)

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 6450 (OEM)
Manufacturer nVidia AMD
Year March 10, 2009 February 2011
Code Name G94b Caicos
Memory 768 MB 512 MB
Core Speed 500 MHz 625 MHz
Memory Speed 500 MHz 1600 MHz
Power (Max TDP) 75 watts 31 watts
Bandwidth 12000 MB/sec 12800 MB/sec
Texel Rate 12000 Mtexels/sec 5000 Mtexels/sec
Pixel Rate 8000 Mpixels/sec 2500 Mpixels/sec
Unified Shaders 48 160
Texture Mapping Units 24 8
Render Output Units 16 4
Bus Type DDR2 GDDR3
Bus Width 192-bit 64-bit
Fab Process 55 nm 40 nm
Transistors 505 million 370 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better 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 amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably 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 6450 (OEM)

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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