GeForce GT 240 GDDR5 vs Radeon RX 550

Intro

Compare all that to the Radeon RX 550, which makes use of a 14 nm design. AMD has set the core frequency at 1100 MHz. The GDDR5 memory is set to run at a frequency of 1750 MHz on this particular card. It features 512 SPUs along with 32 TAUs and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550		50 Watts
GeForce GT 240 GDDR5		70 Watts
	Difference: 20 Watts (40%)

Memory Bandwidth

In theory, the Radeon RX 550 should perform much faster than the GeForce GT 240 GDDR5 overall. (explain)

Radeon RX 550		114688 MB/sec
GeForce GT 240 GDDR5		54400 MB/sec
	Difference: 60288 (111%)

Texel Rate

The Radeon RX 550 is quite a bit (more or less 100%) faster with regards to AF than the GeForce GT 240 GDDR5. (explain)

Radeon RX 550		35200 Mtexels/sec
GeForce GT 240 GDDR5		17600 Mtexels/sec
	Difference: 17600 (100%)

Pixel Rate

The Radeon RX 550 should be quite a bit (approximately 300%) more effective at anti-aliasing than the GeForce GT 240 GDDR5, and will be capable of handling higher screen resolutions better. (explain)

Radeon RX 550		17600 Mpixels/sec
GeForce GT 240 GDDR5		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: Memory bandwidth is the max amount of information (in units of MB per second) that can be transferred over the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it must 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 anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total texture units of the card by the core 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 per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.