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GeForce GTX 750 vs Radeon R9 M270X

Intro

The GeForce GTX 750 uses a 28 nm design. nVidia has clocked the core speed at 1020 MHz. The GDDR5 memory runs at a frequency of 1250 MHz on this specific card. It features 512 SPUs along with 32 Texture Address Units and 16 ROPs.

Compare those specifications to the Radeon R9 M270X, which features GPU clock speed of 725 MHz, and 2048 MB of GDDR5 RAM set to run at 1125 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 750 should be 11% quicker than the Radeon R9 M270X in general, because of its greater bandwidth. (explain)

GeForce GTX 750 80000 MB/sec
Radeon R9 M270X 72000 MB/sec
Difference: 8000 (11%)

Texel Rate

The GeForce GTX 750 should be a little bit (more or less 13%) more effective at anisotropic filtering than the Radeon R9 M270X. (explain)

GeForce GTX 750 32640 Mtexels/sec
Radeon R9 M270X 29000 Mtexels/sec
Difference: 3640 (13%)

Pixel Rate

The GeForce GTX 750 will be a lot (approximately 41%) more effective at anti-aliasing than the Radeon R9 M270X, and should be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 750 16320 Mpixels/sec
Radeon R9 M270X 11600 Mpixels/sec
Difference: 4720 (41%)

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 750

Amazon.com

Check prices at:

Radeon R9 M270X

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 750 Radeon R9 M270X
Manufacturer nVidia AMD
Year February 2014 May 1 2014
Code Name GM107 Venus XT
Memory 1024 MB 2048 MB
Core Speed 1020 MHz 725 MHz
Memory Speed 5000 MHz 4500 MHz
Power (Max TDP) 55 watts (Unknown) watts
Bandwidth 80000 MB/sec 72000 MB/sec
Texel Rate 32640 Mtexels/sec 29000 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 512 640
Texture Mapping Units 32 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1870 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.4 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 are processed per second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core 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 fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 750

Amazon.com

Check prices at:

Radeon R9 M270X

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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