Radeon HD 6450 (OEM) 1GB vs Radeon RX 460

Intro

Compare that to the Radeon RX 460, which makes use of a 14 nm design. AMD has clocked the core speed at 1090 MHz. The GDDR5 memory is set to run at a frequency of 1750 MHz on this model. It features 896 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB		31 Watts
Radeon RX 460		75 Watts
	Difference: 44 Watts (142%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 460 will be 289% quicker than the Radeon HD 6450 (OEM) 1GB overall, due to its higher data rate. (explain)

Radeon RX 460		112000 MB/sec
Radeon HD 6450 (OEM) 1GB		28800 MB/sec
	Difference: 83200 (289%)

Texel Rate

The Radeon RX 460 is much (approximately 917%) better at anisotropic filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

Radeon RX 460		61040 Mtexels/sec
Radeon HD 6450 (OEM) 1GB		6000 Mtexels/sec
	Difference: 55040 (917%)

Pixel Rate

The Radeon RX 460 should be much (approximately 481%) more effective at full screen anti-aliasing than the Radeon HD 6450 (OEM) 1GB, and will be capable of handling higher resolutions better. (explain)

Radeon RX 460		17440 Mpixels/sec
Radeon HD 6450 (OEM) 1GB		3000 Mpixels/sec
	Difference: 14440 (481%)

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 (counted in megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better 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 texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the clock 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 is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.