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GeForce GTX 560 vs GeForce GTX 650

Intro

The GeForce GTX 560 comes with clock speeds of 810 MHz on the GPU, and 1001 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs as well as 56 Texture Address Units and 32 Rasterization Operator Units.

Compare that to the GeForce GTX 650, which features a clock frequency of 1058 MHz and a GDDR5 memory frequency of 1250 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It is made up of 384 SPUs, 32 Texture Address Units, and 16 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 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

In theory, the GeForce GTX 560 should be 60% faster than the GeForce GTX 650 overall, due to its higher bandwidth. (explain)

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

Texel Rate

The GeForce GTX 560 is quite a bit (approximately 34%) better at AF 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 is quite a bit (more or less 53%) better at FSAA than the GeForce GTX 650, and able to handle higher screen resolutions more effectively. (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

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.

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 max amount of information (in units of megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's 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 texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum 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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