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Geforce GTX 670 vs Geforce GTX 690

Intro

The Geforce GTX 670 has clock speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 RAM. It features 1344 SPUs as well as 112 Texture Address Units and 32 Rasterization Operator Units.

Compare that to the Geforce GTX 690, which comes with GPU core speed of 915 MHz, and 2048 MB of GDDR5 memory running at 1502 MHz through a 256-bit bus. It also is comprised of 1536 Stream Processors, 128 TAUs, and 32 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
Geforce GTX 670 7351 points
Difference: 5760 (78%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 670 170 Watts
Geforce GTX 690 300 Watts
Difference: 130 Watts (76%)

Memory Bandwidth

In theory, the Geforce GTX 690 is 100% faster than the Geforce GTX 670 overall, because of its greater data rate. (explain)

Geforce GTX 690 384512 MB/sec
Geforce GTX 670 192000 MB/sec
Difference: 192512 (100%)

Texel Rate

The Geforce GTX 690 will be quite a bit (approximately 129%) faster with regards to texture filtering than the Geforce GTX 670. (explain)

Geforce GTX 690 234240 Mtexels/sec
Geforce GTX 670 102480 Mtexels/sec
Difference: 131760 (129%)

Pixel Rate

The Geforce GTX 690 should be a lot (approximately 100%) better at AA than the Geforce GTX 670, and will be able to handle higher resolutions without slowing down too much. (explain)

Geforce GTX 690 58560 Mpixels/sec
Geforce GTX 670 29280 Mpixels/sec
Difference: 29280 (100%)

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 670

Amazon.com

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Geforce GTX 690

Amazon.com

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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 670 Geforce GTX 690
Manufacturer nVidia nVidia
Year May 2012 April 2012
Code Name GK104 GK104
Memory 2048 MB 2048 MB (x2)
Core Speed 915 MHz 915 MHz (x2)
Memory Speed 6000 MHz 6008 MHz (x2)
Power (Max TDP) 170 watts 300 watts
Bandwidth 192000 MB/sec 384512 MB/sec
Texel Rate 102480 Mtexels/sec 234240 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 58560 Mpixels/sec
Unified Shaders 1344 1536 (x2)
Texture Mapping Units 112 128 (x2)
Render Output Units 32 32 (x2)
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit (x2)
Fab Process 28 nm 28 nm
Transistors 3540 million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.0
OpenGL Version OpenGL 4.2 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total number of texture units by the core 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 applied per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units 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 fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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Geforce GTX 670

Amazon.com

Check prices at:

Geforce GTX 690

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.

Comments

2 Responses to “Geforce GTX 670 vs Geforce GTX 690”
Krisz says:

So basically the 690 is a 670 x 2

Carl says:

Only if you look at the speed. The rest of the specs match a 680. A 690 is more like 2 underclocked 680s.

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