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GeForce GTX 650 vs Geforce GTX 690

Intro

The GeForce GTX 650 features a GPU core clock speed of 1058 MHz, and the 1024 MB of GDDR5 RAM is set to run at 1250 MHz through a 128-bit bus. It also is comprised of 384 Stream Processors, 32 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the Geforce GTX 690, which uses a 28 nm design. nVidia has set the core speed at 915 MHz. The GDDR5 RAM works at a frequency of 1502 MHz on this card. It features 1536 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator 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
GeForce GTX 650 2263 points
Difference: 10848 (479%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
Geforce GTX 690 300 Watts
Difference: 236 Watts (369%)

Memory Bandwidth

In theory, the Geforce GTX 690 will be 381% faster than the GeForce GTX 650 overall, because of its higher data rate. (explain)

Geforce GTX 690 384512 MB/sec
GeForce GTX 650 80000 MB/sec
Difference: 304512 (381%)

Texel Rate

The Geforce GTX 690 is much (about 592%) more effective at texture filtering than the GeForce GTX 650. (explain)

Geforce GTX 690 234240 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 200384 (592%)

Pixel Rate

The Geforce GTX 690 will be quite a bit (approximately 246%) better at FSAA than the GeForce GTX 650, and will be able to handle higher screen resolutions without slowing down too much. (explain)

Geforce GTX 690 58560 Mpixels/sec
GeForce GTX 650 16928 Mpixels/sec
Difference: 41632 (246%)

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 650

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 650 Geforce GTX 690
Manufacturer nVidia nVidia
Year September 2012 April 2012
Code Name GK107 GK104
Memory 1024 MB 2048 MB (x2)
Core Speed 1058 MHz 915 MHz (x2)
Memory Speed 5000 MHz 6008 MHz (x2)
Power (Max TDP) 64 watts 300 watts
Bandwidth 80000 MB/sec 384512 MB/sec
Texel Rate 33856 Mtexels/sec 234240 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 58560 Mpixels/sec
Unified Shaders 384 1536 (x2)
Texture Mapping Units 32 128 (x2)
Render Output Units 16 32 (x2)
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit (x2)
Fab Process 28 nm 28 nm
Transistors 1300 million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.0
OpenGL Version OpenGL 4.3 OpenGL 4.2

Memory Bandwidth: Bandwidth is the largest amount of information (counted in MB per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better 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 applied in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines 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 rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 650

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.

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