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Geforce GTX 690 vs Radeon R9 280X

Intro

The Geforce GTX 690 has a GPU core clock speed of 915 MHz, and the 2048 MB of GDDR5 RAM is set to run at 1502 MHz through a 256-bit bus. It also is comprised of 1536 Stream Processors, 128 TAUs, and 32 Raster Operation Units.

Compare those specs to the Radeon R9 280X, which has GPU clock speed of 850 MHz, and 3072 MB of GDDR5 memory set to run at 1500 MHz through a 384-bit bus. It also features 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

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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

Geforce GTX 690 13111 points
Radeon R9 280X 8886 points
Difference: 4225 (48%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 280X 250 Watts
Geforce GTX 690 300 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

As far as performance goes, the Geforce GTX 690 should in theory be a lot superior to the Radeon R9 280X overall. (explain)

Geforce GTX 690 384512 MB/sec
Radeon R9 280X 288000 MB/sec
Difference: 96512 (34%)

Texel Rate

The Geforce GTX 690 is quite a bit (more or less 115%) more effective at texture filtering than the Radeon R9 280X. (explain)

Geforce GTX 690 234240 Mtexels/sec
Radeon R9 280X 108800 Mtexels/sec
Difference: 125440 (115%)

Pixel Rate

If running with high levels of AA is important to you, then the Geforce GTX 690 is a better choice, by a large margin. (explain)

Geforce GTX 690 58560 Mpixels/sec
Radeon R9 280X 27200 Mpixels/sec
Difference: 31360 (115%)

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

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Geforce GTX 690

Amazon.com

Check prices at:

Radeon R9 280X

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Geforce GTX 690 Radeon R9 280X
Manufacturer nVidia AMD
Year April 2012 October 2013
Code Name GK104 Tahiti XTL
Memory 2048 MB (x2) 3072 MB
Core Speed 915 MHz (x2) 850 MHz
Memory Speed 6008 MHz (x2) 6000 MHz
Power (Max TDP) 300 watts 250 watts
Bandwidth 384512 MB/sec 288000 MB/sec
Texel Rate 234240 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 58560 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 1536 (x2) 2048
Texture Mapping Units 128 (x2) 128
Render Output Units 32 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 384-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 are processed per second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill 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 reach the maximum fill rate.

Display Prices

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Geforce GTX 690

Amazon.com

Check prices at:

Radeon R9 280X

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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