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GeForce GTS 450 vs Radeon HD 5750 512MB

Intro

The GeForce GTS 450 has clock speeds of 783 MHz on the GPU, and 902 MHz on the 512 MB of GDDR5 memory. It features 192 SPUs along with 32 TAUs and 16 ROPs.

Compare that to the Radeon HD 5750 512MB, which comes with clock speeds of 700 MHz on the GPU, and 1150 MHz on the 512 MB of GDDR5 RAM. It features 720(144x5) SPUs along with 36 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB 86 Watts
GeForce GTS 450 106 Watts
Difference: 20 Watts (23%)

Memory Bandwidth

In theory, the Radeon HD 5750 512MB is 27% quicker than the GeForce GTS 450 in general, due to its higher bandwidth. (explain)

Radeon HD 5750 512MB 73600 MB/sec
GeForce GTS 450 57728 MB/sec
Difference: 15872 (27%)

Texel Rate

The Radeon HD 5750 512MB will be a little bit (approximately 1%) better at texture filtering than the GeForce GTS 450. (explain)

Radeon HD 5750 512MB 25200 Mtexels/sec
GeForce GTS 450 25056 Mtexels/sec
Difference: 144 (1%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTS 450 is a better choice, though not by far. (explain)

GeForce GTS 450 12528 Mpixels/sec
Radeon HD 5750 512MB 11200 Mpixels/sec
Difference: 1328 (12%)

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 GTS 450

Amazon.com

Check prices at:

Radeon HD 5750 512MB

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.

Specifications

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Model GeForce GTS 450 Radeon HD 5750 512MB
Manufacturer nVidia AMD
Year September 2010 October 13, 2009
Code Name GF106 Juniper LE
Memory 512 MB 512 MB
Core Speed 783 MHz 700 MHz
Memory Speed 3608 MHz 4600 MHz
Power (Max TDP) 106 watts 86 watts
Bandwidth 57728 MB/sec 73600 MB/sec
Texel Rate 25056 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 12528 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 192 720(144x5)
Texture Mapping Units 32 36
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 1040 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output 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 get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 450

Amazon.com

Check prices at:

Radeon HD 5750 512MB

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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