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GeForce GT 450 (OEM) vs GeForce GTX 460

Intro

The GeForce GT 450 (OEM) has a clock frequency of 790 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 192-bit bus, and makes use of a 40 nm design. It features 144 SPUs, 24 TAUs, and 24 ROPs.

Compare those specs to the GeForce GTX 460, which features core speeds of 675 MHz on the GPU, and 900 MHz on the 768 MB of GDDR5 RAM. It features 336 SPUs as well as 56 Texture Address Units and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 450 (OEM) 106 Watts
GeForce GTX 460 150 Watts
Difference: 44 Watts (42%)

Memory Bandwidth

Performance-wise, the GeForce GT 450 (OEM) should theoretically be a little bit superior to the GeForce GTX 460 in general. (explain)

GeForce GT 450 (OEM) 96000 MB/sec
GeForce GTX 460 86400 MB/sec
Difference: 9600 (11%)

Texel Rate

The GeForce GTX 460 will be a lot (about 99%) better at texture filtering than the GeForce GT 450 (OEM). (explain)

GeForce GTX 460 37800 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 18840 (99%)

Pixel Rate

The GeForce GT 450 (OEM) should be a little bit (about 17%) better at AA than the GeForce GTX 460, and should be capable of handling higher screen resolutions more effectively. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
GeForce GTX 460 16200 Mpixels/sec
Difference: 2760 (17%)

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 460

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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 460
Manufacturer nVidia nVidia
Year October 2010 July 2010
Code Name GF106 GF104
Memory 1536 MB 768 MB
Core Speed 790 MHz 675 MHz
Memory Speed 4000 MHz 3600 MHz
Power (Max TDP) 106 watts 150 watts
Bandwidth 96000 MB/sec 86400 MB/sec
Texel Rate 18960 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 16200 Mpixels/sec
Unified Shaders 144 336
Texture Mapping Units 24 56
Render Output Units 24 24
Bus Type GDDR5 GDDR5
Bus Width 192-bit 192-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 1950 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once again. If it uses 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines 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 rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GT 450 (OEM)

Amazon.com

Check prices at:

GeForce GTX 460

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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