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GeForce GT 450 (OEM) vs Radeon RX 550

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 memory bus, and makes use of a 40 nm design. It is made up of 144 SPUs, 24 Texture Address Units, and 24 Raster Operation Units.

Compare those specs to the Radeon RX 550, which uses a 14 nm design. AMD has set the core frequency at 1100 MHz. The GDDR5 RAM works at a frequency of 1750 MHz on this particular model. It features 512 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

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

In theory, the Radeon RX 550 should perform a 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 will be a lot (approximately 86%) better at AF 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

The GeForce GT 450 (OEM) is a bit (approximately 8%) better at FSAA than the Radeon RX 550, and also will be able to handle higher resolutions better. (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: Memory bandwidth is the max amount of information (measured in MB per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher 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 amount of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total 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 processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum 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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