GeForce GTX 650 Ti 2GB vs Radeon HD 4730

Intro

Compare that to the Radeon HD 4730, which uses a 55 nm design. AMD has set the core speed at 700 MHz. The GDDR5 memory runs at a frequency of 900 MHz on this specific 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)

GeForce GTX 650 Ti 2GB		110 Watts
Radeon HD 4730		140 Watts
	Difference: 30 Watts (27%)

Memory Bandwidth

Theoretically, the GeForce GTX 650 Ti 2GB should be quite a bit faster than the Radeon HD 4730 overall. (explain)

GeForce GTX 650 Ti 2GB		86400 MB/sec
Radeon HD 4730		57600 MB/sec
	Difference: 28800 (50%)

Texel Rate

The GeForce GTX 650 Ti 2GB is a lot (more or less 165%) faster with regards to texture filtering than the Radeon HD 4730. (explain)

GeForce GTX 650 Ti 2GB		59392 Mtexels/sec
Radeon HD 4730		22400 Mtexels/sec
	Difference: 36992 (165%)

Pixel Rate

The GeForce GTX 650 Ti 2GB will be quite a bit (about 165%) better at full screen anti-aliasing than the Radeon HD 4730, and capable of handling higher resolutions more effectively. (explain)

GeForce GTX 650 Ti 2GB		14848 Mpixels/sec
Radeon HD 4730		5600 Mpixels/sec
	Difference: 9248 (165%)

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 information (measured in megabytes per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the video 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 the video card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.