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GeForce GT 450 (OEM) vs Radeon RX 550

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 memory. It features 144 SPUs along with 24 Texture Address Units and 24 Rasterization Operator Units.

Compare all that to the Radeon RX 550, which has GPU core speed of 1100 MHz, and 2048 MB of GDDR5 memory running at 1750 MHz through a 128-bit bus. It also features 512 SPUs, 32 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
GeForce GT 450 (OEM) 106 Watts
Difference: 56 Watts (112%)

Memory Bandwidth

The Radeon RX 550, in theory, should perform a little bit faster than the GeForce GT 450 (OEM) in general. (explain)

Radeon RX 550 114688 MB/sec
GeForce GT 450 (OEM) 96000 MB/sec
Difference: 18688 (19%)

Texel Rate

The Radeon RX 550 should be quite a bit (about 86%) faster with regards to texture filtering than the GeForce GT 450 (OEM). (explain)

Radeon RX 550 35200 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 16240 (86%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GT 450 (OEM) is a better choice, though only just barely. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
Radeon RX 550 17600 Mpixels/sec
Difference: 1360 (8%)

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

Check prices at:

Radeon RX 550

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 GT 450 (OEM) Radeon RX 550
Manufacturer nVidia AMD
Year October 2010 April 2017
Code Name GF106 Polaris 12
Memory 1536 MB 2048 MB
Core Speed 790 MHz 1100 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 106 watts 50 watts
Bandwidth 96000 MB/sec 114688 MB/sec
Texel Rate 18960 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 144 512
Texture Mapping Units 24 32
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 14 nm
Transistors 1170 million 2200 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transported across the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 can be applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per 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 figure is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 450 (OEM)

Amazon.com

Check prices at:

Radeon RX 550

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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