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GeForce GTX 965M vs Radeon HD 6790

Intro

The GeForce GTX 965M has a GPU core speed of 944 MHz, and the 2048 MB of GDDR5 RAM is set to run at 1000 MHz through a 128-bit bus. It also is made up of 1024 SPUs, 64 Texture Address Units, and 32 Raster Operation Units.

Compare those specs to the Radeon HD 6790, which features core speeds of 840 MHz on the GPU, and 1050 MHz on the 1024 MB of GDDR5 RAM. It features 800 SPUs as well as 40 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 965M 5650 points
Radeon HD 6790 2150 points
Difference: 3500 (163%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
Radeon HD 6790 150 Watts
Difference: 90 Watts (150%)

Memory Bandwidth

In theory, the Radeon HD 6790 is 110% faster than the GeForce GTX 965M in general, because of its greater data rate. (explain)

Radeon HD 6790 134400 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 70400 (110%)

Texel Rate

The GeForce GTX 965M is much (approximately 80%) more effective at anisotropic filtering than the Radeon HD 6790. (explain)

GeForce GTX 965M 60416 Mtexels/sec
Radeon HD 6790 33600 Mtexels/sec
Difference: 26816 (80%)

Pixel Rate

The GeForce GTX 965M should be a lot (about 125%) faster with regards to FSAA than the Radeon HD 6790, and will be able to handle higher screen resolutions better. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon HD 6790 13440 Mpixels/sec
Difference: 16768 (125%)

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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Radeon HD 6790

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 Radeon HD 6790
Manufacturer nVidia AMD
Year January 5 2015 April 2011
Code Name GM204 Barts LE
Memory 2048 MB 1024 MB
Core Speed 944 MHz 840 MHz
Memory Speed 4000 MHz 4200 MHz
Power (Max TDP) 60 watts 150 watts
Bandwidth 64000 MB/sec 134400 MB/sec
Texel Rate 60416 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 13440 Mpixels/sec
Unified Shaders 1024 800
Texture Mapping Units 64 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 1700 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video 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 maximum amount of pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory 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:

Radeon HD 6790

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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