GeForce GT 340 1GB vs Radeon RX 550

Intro

Compare those specs to the Radeon RX 550, which makes use of a 14 nm design. AMD has clocked the core speed 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 340 1GB		69 Watts
	Difference: 19 Watts (38%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 550 will be 111% quicker than the GeForce GT 340 1GB overall, because of its higher bandwidth. (explain)

Radeon RX 550		114688 MB/sec
GeForce GT 340 1GB		54400 MB/sec
	Difference: 60288 (111%)

Texel Rate

The Radeon RX 550 will be much (about 100%) more effective at texture filtering than the GeForce GT 340 1GB. (explain)

Radeon RX 550		35200 Mtexels/sec
GeForce GT 340 1GB		17600 Mtexels/sec
	Difference: 17600 (100%)

Pixel Rate

The Radeon RX 550 is a lot (about 300%) more effective at FSAA than the GeForce GT 340 1GB, and also able to handle higher resolutions better. (explain)

Radeon RX 550		17600 Mpixels/sec
GeForce GT 340 1GB		4400 Mpixels/sec
	Difference: 13200 (300%)

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 maximum amount of data (in units of MB per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core 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 output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.