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Geforce GTX 690 vs Radeon R9 390 8G

Intro

The Geforce GTX 690 comes with 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 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Compare all of that to the Radeon R9 390 8G, which uses a 28 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 memory is set to run at a speed of 1500 MHz on this model. It features 2560 SPUs as well as 160 Texture Address Units and 64 ROPs.

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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 390 8G 12733 points
Difference: 378 (3%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 390 8G 275 Watts
Geforce GTX 690 300 Watts
Difference: 25 Watts (9%)

Memory Bandwidth

Performance-wise, the Geforce GTX 690 should in theory be just a bit superior to the Radeon R9 390 8G overall. (explain)

Geforce GTX 690 384512 MB/sec
Radeon R9 390 8G 384000 MB/sec
Difference: 512 (0%)

Texel Rate

The Geforce GTX 690 is much (more or less 46%) more effective at AF than the Radeon R9 390 8G. (explain)

Geforce GTX 690 234240 Mtexels/sec
Radeon R9 390 8G 160000 Mtexels/sec
Difference: 74240 (46%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 390 8G is superior to the Geforce GTX 690, but not by far. (explain)

Radeon R9 390 8G 64000 Mpixels/sec
Geforce GTX 690 58560 Mpixels/sec
Difference: 5440 (9%)

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 390 8G

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 390 8G
Manufacturer nVidia AMD
Year April 2012 June 2015
Code Name GK104 Grenada PRO
Memory 2048 MB (x2) 8192 MB
Core Speed 915 MHz (x2) 1000 MHz
Memory Speed 6008 MHz (x2) 6000 MHz
Power (Max TDP) 300 watts 275 watts
Bandwidth 384512 MB/sec 384000 MB/sec
Texel Rate 234240 Mtexels/sec 160000 Mtexels/sec
Pixel Rate 58560 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 1536 (x2) 2560
Texture Mapping Units 128 (x2) 160
Render Output Units 32 (x2) 64
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 512-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 6200 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.2 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 again. If 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Geforce GTX 690

Amazon.com

Check prices at:

Radeon R9 390 8G

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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