Geforce GTX 760 vs Radeon HD 4670 512MB

Intro

Compare all that to the Radeon HD 4670 512MB, which features GPU core speed of 750 MHz, and 512 MB of GDDR4/GDDR3/DDR3/DDR2 RAM set to run at 1000 MHz through a 128-bit bus. It also is made up of 320(64x5) SPUs, 32 TAUs, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4670 512MB		70 Watts
Geforce GTX 760		170 Watts
	Difference: 100 Watts (143%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 760 should be 501% quicker than the Radeon HD 4670 512MB overall, because of its greater data rate. (explain)

Geforce GTX 760		192256 MB/sec
Radeon HD 4670 512MB		32000 MB/sec
	Difference: 160256 (501%)

Texel Rate

The Geforce GTX 760 is quite a bit (about 292%) better at texture filtering than the Radeon HD 4670 512MB. (explain)

Geforce GTX 760		94080 Mtexels/sec
Radeon HD 4670 512MB		24000 Mtexels/sec
	Difference: 70080 (292%)

Pixel Rate

If using high levels of AA is important to you, then the Geforce GTX 760 is a better choice, and very much so. (explain)

Geforce GTX 760		31360 Mpixels/sec
Radeon HD 4670 512MB		6000 Mpixels/sec
	Difference: 25360 (423%)

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.