GeForce GTX 650 Ti 2GB vs Radeon HD 4730

Intro

Compare that to the Radeon HD 4730, which makes use of a 55 nm design. AMD has clocked the core frequency at 700 MHz. The GDDR5 RAM works at a speed of 900 MHz on this card. It features 640(128x5) SPUs as well as 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 much 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 much (approximately 165%) better at 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 AA than the Radeon HD 4730, and will be able to handle 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: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at handling 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 video card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.