Radeon HD 6450 (OEM) 1GB vs Radeon RX 570

Intro

Compare that to the Radeon RX 570, which features a clock speed of 1168 MHz and a GDDR5 memory frequency of 1750 MHz. It also features a 256-bit memory bus, and makes use of a 14 nm design. It is made up of 2048 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB		31 Watts
Radeon RX 570		150 Watts
	Difference: 119 Watts (384%)

Memory Bandwidth

In theory, the Radeon RX 570 is 696% faster than the Radeon HD 6450 (OEM) 1GB in general, because of its greater data rate. (explain)

Radeon RX 570		229376 MB/sec
Radeon HD 6450 (OEM) 1GB		28800 MB/sec
	Difference: 200576 (696%)

Texel Rate

The Radeon RX 570 will be quite a bit (about 2392%) better at texture filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

Radeon RX 570		149504 Mtexels/sec
Radeon HD 6450 (OEM) 1GB		6000 Mtexels/sec
	Difference: 143504 (2392%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 570 is superior to the Radeon HD 6450 (OEM) 1GB, by far. (explain)

Radeon RX 570		37376 Mpixels/sec
Radeon HD 6450 (OEM) 1GB		3000 Mpixels/sec
	Difference: 34376 (1146%)

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 max amount of data (counted in megabytes per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the 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 most pixels 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 colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.