Geforce GTX 670 vs Radeon R9 295X2

Intro

Compare those specs to the Radeon R9 295X2, which comes with clock speeds of 1018 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 RAM. It features 2816 SPUs as well as 176 TAUs and 64 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 295X2		21205 points
Geforce GTX 670		7351 points
	Difference: 13854 (188%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 670		170 Watts
Radeon R9 295X2		500 Watts
	Difference: 330 Watts (194%)

Memory Bandwidth

The Radeon R9 295X2, in theory, should be much faster than the Geforce GTX 670 in general. (explain)

Radeon R9 295X2		640000 MB/sec
Geforce GTX 670		192000 MB/sec
	Difference: 448000 (233%)

Texel Rate

The Radeon R9 295X2 is much (about 250%) more effective at AF than the Geforce GTX 670. (explain)

Radeon R9 295X2		358336 Mtexels/sec
Geforce GTX 670		102480 Mtexels/sec
	Difference: 255856 (250%)

Pixel Rate

The Radeon R9 295X2 is much (more or less 345%) better at AA than the Geforce GTX 670, and will be capable of handling higher resolutions while still performing well. (explain)

Radeon R9 295X2		130304 Mpixels/sec
Geforce GTX 670		29280 Mpixels/sec
	Difference: 101024 (345%)

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 maximum amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount 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 by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs 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 - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.