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GeForce GTX 560 vs GeForce GTX 650

Intro

The GeForce GTX 560 comes with a core clock speed of 810 MHz and a GDDR5 memory speed of 1001 MHz. It also makes use of a 256-bit memory bus, and makes use of a 40 nm design. It is comprised of 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Compare that to the GeForce GTX 650, which makes use of a 28 nm design. nVidia has clocked the core speed at 1058 MHz. The GDDR5 RAM runs at a speed of 1250 MHz on this particular model. It features 384 SPUs as well as 32 TAUs and 16 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 560 3030 points
GeForce GTX 650 2263 points
Difference: 767 (34%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
GeForce GTX 560 150 Watts
Difference: 86 Watts (134%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 should be quite a bit faster than the GeForce GTX 650 overall. (explain)

GeForce GTX 560 128128 MB/sec
GeForce GTX 650 80000 MB/sec
Difference: 48128 (60%)

Texel Rate

The GeForce GTX 560 will be much (approximately 34%) better at anisotropic filtering than the GeForce GTX 650. (explain)

GeForce GTX 560 45360 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 11504 (34%)

Pixel Rate

The GeForce GTX 560 will be much (approximately 53%) better at FSAA than the GeForce GTX 650, and also should be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 560 25920 Mpixels/sec
GeForce GTX 650 16928 Mpixels/sec
Difference: 8992 (53%)

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.

Price Comparison

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GeForce GTX 560

Amazon.com

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GeForce GTX 650

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 560 GeForce GTX 650
Manufacturer nVidia nVidia
Year May 2011 September 2012
Code Name GF114 GK107
Memory 1024 MB 1024 MB
Core Speed 810 MHz 1058 MHz
Memory Speed 4004 MHz 5000 MHz
Power (Max TDP) 150 watts 64 watts
Bandwidth 128128 MB/sec 80000 MB/sec
Texel Rate 45360 Mtexels/sec 33856 Mtexels/sec
Pixel Rate 25920 Mpixels/sec 16928 Mpixels/sec
Unified Shaders 336 384
Texture Mapping Units 56 32
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 1300 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 560

Amazon.com

Check prices at:

GeForce GTX 650

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

One Response to “GeForce GTX 560 vs GeForce GTX 650”
sadam says:

thenk you thenk yuo vare good

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