Geforce GTX 680 vs Radeon R9 295X2

Intro

Compare those specs to the Radeon R9 295X2, which makes use of a 28 nm design. AMD has clocked the core speed at 1018 MHz. The GDDR5 RAM runs at a speed of 1250 MHz on this particular card. It features 2816 SPUs as well as 176 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

Hide Graphs

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 680		7650 points
	Difference: 13555 (177%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 680		195 Watts
Radeon R9 295X2		500 Watts
	Difference: 305 Watts (156%)

Memory Bandwidth

Performance-wise, the Radeon R9 295X2 should theoretically be quite a bit superior to the Geforce GTX 680 overall. (explain)

Radeon R9 295X2		640000 MB/sec
Geforce GTX 680		192256 MB/sec
	Difference: 447744 (233%)

Texel Rate

The Radeon R9 295X2 should be much (approximately 178%) faster with regards to AF than the Geforce GTX 680. (explain)

Radeon R9 295X2		358336 Mtexels/sec
Geforce GTX 680		128768 Mtexels/sec
	Difference: 229568 (178%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 295X2 is superior to the Geforce GTX 680, by far. (explain)

Radeon R9 295X2		130304 Mpixels/sec
Geforce GTX 680		32192 Mpixels/sec
	Difference: 98112 (305%)

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: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core 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 output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.