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GeForce GTX 965M vs Radeon R9 M275X

Intro

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

Compare those specifications to the Radeon R9 M275X, which comes with clock speeds of 900 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 RAM. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M275X 50 Watts
GeForce GTX 965M 60 Watts
Difference: 10 Watts (20%)

Memory Bandwidth

Theoretically, the Radeon R9 M275X should be a little bit faster than the GeForce GTX 965M in general. (explain)

Radeon R9 M275X 72000 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 8000 (13%)

Texel Rate

The GeForce GTX 965M will be a lot (more or less 68%) better at texture filtering than the Radeon R9 M275X. (explain)

GeForce GTX 965M 60416 Mtexels/sec
Radeon R9 M275X 36000 Mtexels/sec
Difference: 24416 (68%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 965M is the winner, by a large margin. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon R9 M275X 14400 Mpixels/sec
Difference: 15808 (110%)

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

Check prices at:

Radeon R9 M275X

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 965M Radeon R9 M275X
Manufacturer nVidia AMD
Year January 5 2015 May 1 2014
Code Name GM204 Venus XTX
Memory 2048 MB 2048 MB
Core Speed 944 MHz 900 MHz
Memory Speed 4000 MHz 4500 MHz
Power (Max TDP) 60 watts 50 watts
Bandwidth 64000 MB/sec 72000 MB/sec
Texel Rate 60416 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 1024 640
Texture Mapping Units 64 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. 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 higher screen 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 amount of 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 965M

Amazon.com

Check prices at:

Radeon R9 M275X

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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