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GeForce GTX 560 vs GeForce GTX 650

Intro

The GeForce GTX 560 has a clock speed of 810 MHz and a GDDR5 memory frequency of 1001 MHz. It also makes use of a 256-bit bus, and makes use of a 40 nm design. It features 336 SPUs, 56 Texture Address Units, and 32 ROPs.

Compare those specs to the GeForce GTX 650, which makes use of a 28 nm design. nVidia has set the core frequency at 1058 MHz. The GDDR5 RAM runs at a speed of 1250 MHz on this model. It features 384 SPUs along with 32 Texture Address Units and 16 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 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 perform a lot faster than the GeForce GTX 650 in general. (explain)

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

Texel Rate

The GeForce GTX 560 is 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 should be much (approximately 53%) faster with regards to FSAA than the GeForce GTX 650, and also will be capable of handling higher screen resolutions without slowing down too much. (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

GeForce GTX 650

Amazon.com

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: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - 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

GeForce GTX 650

Amazon.com

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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