Geforce GTX 690 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 memory. It features 2816 SPUs as well as 176 TAUs and 64 Rasterization Operator Units.

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 690		13111 points
	Difference: 8094 (62%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 690		300 Watts
Radeon R9 295X2		500 Watts
	Difference: 200 Watts (67%)

Memory Bandwidth

Performance-wise, the Radeon R9 295X2 should in theory be a lot superior to the Geforce GTX 690 in general. (explain)

Radeon R9 295X2		640000 MB/sec
Geforce GTX 690		384512 MB/sec
	Difference: 255488 (66%)

Texel Rate

The Radeon R9 295X2 should be quite a bit (about 53%) more effective at AF than the Geforce GTX 690. (explain)

Radeon R9 295X2		358336 Mtexels/sec
Geforce GTX 690		234240 Mtexels/sec
	Difference: 124096 (53%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R9 295X2 is a better choice, by far. (explain)

Radeon R9 295X2		130304 Mpixels/sec
Geforce GTX 690		58560 Mpixels/sec
	Difference: 71744 (123%)

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 transferred across the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the 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 amount of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.