Geforce GTX 760 vs Radeon HD 4870 X2

Intro

Compare all that to the Radeon HD 4870 X2, which comes with clock speeds of 750 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 RAM. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 760		170 Watts
Radeon HD 4870 X2		350 Watts
	Difference: 180 Watts (106%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 4870 X2 will be 20% quicker than the Geforce GTX 760 overall, due to its higher bandwidth. (explain)

Radeon HD 4870 X2		230400 MB/sec
Geforce GTX 760		192256 MB/sec
	Difference: 38144 (20%)

Texel Rate

The Geforce GTX 760 is quite a bit (about 57%) more effective at anisotropic filtering than the Radeon HD 4870 X2. (explain)

Geforce GTX 760		94080 Mtexels/sec
Radeon HD 4870 X2		60000 Mtexels/sec
	Difference: 34080 (57%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Geforce GTX 760 is a better choice, by far. (explain)

Geforce GTX 760		31360 Mpixels/sec
Radeon HD 4870 X2		24000 Mpixels/sec
	Difference: 7360 (31%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's 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 texture map elements (texels) that are processed per second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.