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GeForce GT 450 (OEM) vs GeForce GTX 460 SE

Intro

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

Compare those specifications to the GeForce GTX 460 SE, which comes with GPU clock speed of 650 MHz, and 1024 MB of GDDR5 RAM running at 850 MHz through a 256-bit bus. It also features 288 Stream Processors, 48 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Theoretically, the GeForce GTX 460 SE should be just a bit faster than the GeForce GT 450 (OEM) overall. (explain)

GeForce GTX 460 SE 108800 MB/sec
GeForce GT 450 (OEM) 96000 MB/sec
Difference: 12800 (13%)

Texel Rate

The GeForce GTX 460 SE will be quite a bit (more or less 65%) better at AF than the GeForce GT 450 (OEM). (explain)

GeForce GTX 460 SE 31200 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 12240 (65%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 460 SE is the winner, not by a very large margin though. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
GeForce GT 450 (OEM) 18960 Mpixels/sec
Difference: 1840 (10%)

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 SE

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

Display Specifications

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Model GeForce GT 450 (OEM) GeForce GTX 460 SE
Manufacturer nVidia nVidia
Year October 2010 November 2010
Code Name GF106 GF104
Memory 1536 MB 1024 MB
Core Speed 790 MHz 650 MHz
Memory Speed 4000 MHz 3400 MHz
Power (Max TDP) 106 watts 150 watts
Bandwidth 96000 MB/sec 108800 MB/sec
Texel Rate 18960 Mtexels/sec 31200 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 20800 Mpixels/sec
Unified Shaders 144 288
Texture Mapping Units 24 48
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-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 largest amount of information (in units of megabytes per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, 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 by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant 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

Hide Prices

GeForce GT 450 (OEM)

Amazon.com

Check prices at:

GeForce GTX 460 SE

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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