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GeForce GT 450 (OEM) vs GeForce GTX 260

Intro

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

Compare those specifications to the GeForce GTX 260, which uses a 65 nm design. nVidia has clocked the core frequency at 576 MHz. The GDDR3 RAM runs at a frequency of 999 MHz on this particular card. It features 192 SPUs along with 64 Texture Address Units 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

Theoretically, the GeForce GTX 260 should perform just a 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 is a lot (approximately 94%) better at 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 a high resolution is important to you, then the GeForce GT 450 (OEM) is the winner, 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 maximum amount of information (measured in megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total amount of 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 maximum number of pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum 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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