GeForce GTX 460 (OEM) vs Radeon HD 4670 512MB

Intro

Compare those specs to the Radeon HD 4670 512MB, which has GPU core speed of 750 MHz, and 512 MB of GDDR4/GDDR3/DDR3/DDR2 memory set to run at 1000 MHz through a 128-bit bus. It also is comprised of 320(64x5) SPUs, 32 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4670 512MB		70 Watts
GeForce GTX 460 (OEM)		150 Watts
	Difference: 80 Watts (114%)

Memory Bandwidth

Performance-wise, the GeForce GTX 460 (OEM) should theoretically be quite a bit better than the Radeon HD 4670 512MB overall. (explain)

GeForce GTX 460 (OEM)		108800 MB/sec
Radeon HD 4670 512MB		32000 MB/sec
	Difference: 76800 (240%)

Texel Rate

The GeForce GTX 460 (OEM) will be much (about 52%) faster with regards to AF than the Radeon HD 4670 512MB. (explain)

GeForce GTX 460 (OEM)		36400 Mtexels/sec
Radeon HD 4670 512MB		24000 Mtexels/sec
	Difference: 12400 (52%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 460 (OEM) is superior to the Radeon HD 4670 512MB, by far. (explain)

GeForce GTX 460 (OEM)		20800 Mpixels/sec
Radeon HD 4670 512MB		6000 Mpixels/sec
	Difference: 14800 (247%)

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 (measured in MB per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units 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 maximum fill rate.