GeForce GT 430 1GB vs Radeon RX 550

Intro

Compare that to the Radeon RX 550, which features core speeds of 1100 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 RAM. It features 512 SPUs along with 32 TAUs 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 430 1GB		60 Watts
	Difference: 10 Watts (20%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 550 should be 298% quicker than the GeForce GT 430 1GB in general, due to its higher data rate. (explain)

Radeon RX 550		114688 MB/sec
GeForce GT 430 1GB		28800 MB/sec
	Difference: 85888 (298%)

Texel Rate

The Radeon RX 550 will be much (approximately 214%) better at AF than the GeForce GT 430 1GB. (explain)

Radeon RX 550		35200 Mtexels/sec
GeForce GT 430 1GB		11200 Mtexels/sec
	Difference: 24000 (214%)

Pixel Rate

The Radeon RX 550 is much (more or less 529%) faster with regards to full screen anti-aliasing than the GeForce GT 430 1GB, and also should be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon RX 550		17600 Mpixels/sec
GeForce GT 430 1GB		2800 Mpixels/sec
	Difference: 14800 (529%)

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

Specifications

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in one 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 - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.