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GeForce GT 450 (OEM) vs GeForce GTX 750 Ti

Intro

The GeForce GT 450 (OEM) comes with 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 TAUs and 24 Rasterization Operator Units.

Compare all of that to the GeForce GTX 750 Ti, which comes with core speeds of 1020 MHz on the GPU, and 1350 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti 60 Watts
GeForce GT 450 (OEM) 106 Watts
Difference: 46 Watts (77%)

Memory Bandwidth

Theoretically, the GeForce GT 450 (OEM) should be a little bit faster than the GeForce GTX 750 Ti in general. (explain)

GeForce GT 450 (OEM) 96000 MB/sec
GeForce GTX 750 Ti 86400 MB/sec
Difference: 9600 (11%)

Texel Rate

The GeForce GTX 750 Ti should be much (approximately 115%) better at AF than the GeForce GT 450 (OEM). (explain)

GeForce GTX 750 Ti 40800 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 21840 (115%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GT 450 (OEM) is the winner, but not by far. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
GeForce GTX 750 Ti 16320 Mpixels/sec
Difference: 2640 (16%)

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 750 Ti

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 750 Ti
Manufacturer nVidia nVidia
Year October 2010 February 2014
Code Name GF106 GM107
Memory 1536 MB 2048 MB
Core Speed 790 MHz 1020 MHz
Memory Speed 4000 MHz 5400 MHz
Power (Max TDP) 106 watts 60 watts
Bandwidth 96000 MB/sec 86400 MB/sec
Texel Rate 18960 Mtexels/sec 40800 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 16320 Mpixels/sec
Unified Shaders 144 640
Texture Mapping Units 24 40
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million 1870 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.4

Memory Bandwidth: Bandwidth is the max amount of data (measured in MB per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the bus width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 450 (OEM)

Amazon.com

Check prices at:

GeForce GTX 750 Ti

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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