Radeon HD 5450 vs Radeon R7 260X

Intro

Compare all of that to the Radeon R7 260X, which features a clock frequency of 1100 MHz and a GDDR5 memory speed of 1625 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It features 896 SPUs, 56 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5450		19 Watts
Radeon R7 260X		115 Watts
	Difference: 96 Watts (505%)

Memory Bandwidth

The Radeon R7 260X, in theory, should be quite a bit faster than the Radeon HD 5450 in general. (explain)

Radeon R7 260X		104000 MB/sec
Radeon HD 5450		12800 MB/sec
	Difference: 91200 (713%)

Texel Rate

The Radeon R7 260X is a lot (about 1085%) faster with regards to texture filtering than the Radeon HD 5450. (explain)

Radeon R7 260X		61600 Mtexels/sec
Radeon HD 5450		5200 Mtexels/sec
	Difference: 56400 (1085%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R7 260X is a better choice, by far. (explain)

Radeon R7 260X		17600 Mpixels/sec
Radeon HD 5450		2600 Mpixels/sec
	Difference: 15000 (577%)

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 data (measured in MB per second) that can be transported past the external memory interface within a second. It is calculated 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 DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total number 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.