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GeForce GTX 965M vs Geforce GTX 780

Intro

The GeForce GTX 965M features a core clock speed of 944 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It is made up of 1024 SPUs, 64 TAUs, and 32 Raster Operation Units.

Compare all of that to the Geforce GTX 780, which has a GPU core clock speed of 863 MHz, and 3072 MB of GDDR5 RAM set to run at 1502 MHz through a 384-bit bus. It also is comprised of 2304 Stream Processors, 192 TAUs, and 48 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 780 10082 points
GeForce GTX 965M 5650 points
Difference: 4432 (78%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
Geforce GTX 780 250 Watts
Difference: 190 Watts (317%)

Memory Bandwidth

The Geforce GTX 780 should theoretically be much faster than the GeForce GTX 965M overall. (explain)

Geforce GTX 780 288384 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 224384 (351%)

Texel Rate

The Geforce GTX 780 is quite a bit (about 174%) better at anisotropic filtering than the GeForce GTX 965M. (explain)

Geforce GTX 780 165696 Mtexels/sec
GeForce GTX 965M 60416 Mtexels/sec
Difference: 105280 (174%)

Pixel Rate

If running with a high screen resolution is important to you, then the Geforce GTX 780 is superior to the GeForce GTX 965M, by far. (explain)

Geforce GTX 780 41424 Mpixels/sec
GeForce GTX 965M 30208 Mpixels/sec
Difference: 11216 (37%)

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 780

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 780
Manufacturer nVidia nVidia
Year January 5 2015 May 2013
Code Name GM204 GK110
Memory 2048 MB 3072 MB
Core Speed 944 MHz 863 MHz
Memory Speed 4000 MHz 6008 MHz
Power (Max TDP) 60 watts 250 watts
Bandwidth 64000 MB/sec 288384 MB/sec
Texel Rate 60416 Mtexels/sec 165696 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 41424 Mpixels/sec
Unified Shaders 1024 2304
Texture Mapping Units 64 192
Render Output Units 32 48
Bus Type GDDR5 GDDR5
Bus Width 128-bit 384-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 7080 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 can be processed in one second. This figure is calculated by multiplying the total 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 processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. 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 quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 965M

Amazon.com

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Geforce GTX 780

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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