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GeForce GT 450 (OEM) vs GeForce GTX 260

Intro

The GeForce GT 450 (OEM) has core clock speeds of 790 MHz on the GPU, and 1000 MHz on the 1536 MB of GDDR5 memory. It features 144 SPUs as well as 24 Texture Address Units and 24 ROPs.

Compare all that to the GeForce GTX 260, which makes use of a 65 nm design. nVidia has set the core frequency at 576 MHz. The GDDR3 RAM runs at a frequency of 999 MHz on this card. It features 192 SPUs as well as 64 TAUs and 28 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 450 (OEM) 106 Watts
GeForce GTX 260 182 Watts
Difference: 76 Watts (72%)

Memory Bandwidth

The GeForce GTX 260, in theory, should be a small bit faster than the GeForce GT 450 (OEM) overall. (explain)

GeForce GTX 260 111888 MB/sec
GeForce GT 450 (OEM) 96000 MB/sec
Difference: 15888 (17%)

Texel Rate

The GeForce GTX 260 will be much (about 94%) faster with regards to texture filtering than the GeForce GT 450 (OEM). (explain)

GeForce GTX 260 36864 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 17904 (94%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GT 450 (OEM) is a better choice, though only just barely. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
GeForce GTX 260 16128 Mpixels/sec
Difference: 2832 (18%)

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 450 (OEM)

Amazon.com

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GeForce GTX 260

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 450 (OEM) GeForce GTX 260
Manufacturer nVidia nVidia
Year October 2010 June 16, 2008
Code Name GF106 G200
Memory 1536 MB 896 MB
Core Speed 790 MHz 576 MHz
Memory Speed 4000 MHz 1998 MHz
Power (Max TDP) 106 watts 182 watts
Bandwidth 96000 MB/sec 111888 MB/sec
Texel Rate 18960 Mtexels/sec 36864 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 16128 Mpixels/sec
Unified Shaders 144 192
Texture Mapping Units 24 64
Render Output Units 24 28
Bus Type GDDR5 GDDR3
Bus Width 192-bit 448-bit
Fab Process 40 nm 65 nm
Transistors 1170 million 1400 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 11 DirectX 10
OpenGL Version OpenGL 4.1 OpenGL 3.1

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher 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 one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GT 450 (OEM)

Amazon.com

Check prices at:

GeForce GTX 260

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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