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GeForce GTX 965M vs Geforce GTX 680

Intro

The GeForce GTX 965M has a GPU core clock speed of 944 MHz, and the 2048 MB of GDDR5 memory runs at 1000 MHz through a 128-bit bus. It also features 1024 Stream Processors, 64 Texture Address Units, and 32 ROPs.

Compare those specs to the Geforce GTX 680, which makes use of a 28 nm design. nVidia has clocked the core frequency at 1006 MHz. The GDDR5 memory is set to run at a frequency of 1502 MHz on this particular model. It features 1536 SPUs as well as 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 680 7650 points
GeForce GTX 965M 5650 points
Difference: 2000 (35%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
Geforce GTX 680 195 Watts
Difference: 135 Watts (225%)

Memory Bandwidth

Theoretically, the Geforce GTX 680 should be a lot faster than the GeForce GTX 965M in general. (explain)

Geforce GTX 680 192256 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 128256 (200%)

Texel Rate

The Geforce GTX 680 should be much (approximately 113%) better at AF than the GeForce GTX 965M. (explain)

Geforce GTX 680 128768 Mtexels/sec
GeForce GTX 965M 60416 Mtexels/sec
Difference: 68352 (113%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Geforce GTX 680 is the winner, but not by far. (explain)

Geforce GTX 680 32192 Mpixels/sec
GeForce GTX 965M 30208 Mpixels/sec
Difference: 1984 (7%)

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 965M

Amazon.com

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Geforce GTX 680

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 965M Geforce GTX 680
Manufacturer nVidia nVidia
Year January 5 2015 March 2012
Code Name GM204 GK104
Memory 2048 MB 2048 MB
Core Speed 944 MHz 1006 MHz
Memory Speed 4000 MHz 6008 MHz
Power (Max TDP) 60 watts 195 watts
Bandwidth 64000 MB/sec 192256 MB/sec
Texel Rate 60416 Mtexels/sec 128768 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 32192 Mpixels/sec
Unified Shaders 1024 1536
Texture Mapping Units 64 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 texture map elements (texels) that are applied per second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to the local memory per 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 - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 965M

Amazon.com

Check prices at:

Geforce GTX 680

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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