GeForce GTX 460 2GB vs Radeon HD 4730

Intro

Compare all of that to the Radeon HD 4730, which makes use of a 55 nm design. AMD has set the core frequency at 700 MHz. The GDDR5 RAM runs at a frequency of 900 MHz on this particular model. It features 640(128x5) SPUs along with 32 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4730		140 Watts
GeForce GTX 460 2GB		160 Watts
	Difference: 20 Watts (14%)

Memory Bandwidth

In theory, the GeForce GTX 460 2GB should perform much faster than the Radeon HD 4730 in general. (explain)

GeForce GTX 460 2GB		115200 MB/sec
Radeon HD 4730		57600 MB/sec
	Difference: 57600 (100%)

Texel Rate

The GeForce GTX 460 2GB is much (approximately 69%) more effective at AF than the Radeon HD 4730. (explain)

GeForce GTX 460 2GB		37800 Mtexels/sec
Radeon HD 4730		22400 Mtexels/sec
	Difference: 15400 (69%)

Pixel Rate

The GeForce GTX 460 2GB will be much (approximately 286%) more effective at full screen anti-aliasing than the Radeon HD 4730, and also will be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 460 2GB		21600 Mpixels/sec
Radeon HD 4730		5600 Mpixels/sec
	Difference: 16000 (286%)

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 data (counted in megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel 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.