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GeForce GTX 750 vs Radeon R9 M275X

Intro

The GeForce GTX 750 has a GPU core speed of 1020 MHz, and the 1024 MB of GDDR5 RAM is set to run at 1250 MHz through a 128-bit bus. It also features 512 SPUs, 32 TAUs, and 16 ROPs.

Compare those specifications to the Radeon R9 M275X, which comes with core clock speeds of 900 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M275X 50 Watts
GeForce GTX 750 55 Watts
Difference: 5 Watts (10%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 750 should in theory be a little bit superior to the Radeon R9 M275X in general. (explain)

GeForce GTX 750 80000 MB/sec
Radeon R9 M275X 72000 MB/sec
Difference: 8000 (11%)

Texel Rate

The Radeon R9 M275X will be a small bit (about 10%) more effective at anisotropic filtering than the GeForce GTX 750. (explain)

Radeon R9 M275X 36000 Mtexels/sec
GeForce GTX 750 32640 Mtexels/sec
Difference: 3360 (10%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 750 is superior to the Radeon R9 M275X, though only just barely. (explain)

GeForce GTX 750 16320 Mpixels/sec
Radeon R9 M275X 14400 Mpixels/sec
Difference: 1920 (13%)

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 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 750 Radeon R9 M275X
Manufacturer nVidia AMD
Year February 2014 May 1 2014
Code Name GM107 Venus XTX
Memory 1024 MB 2048 MB
Core Speed 1020 MHz 900 MHz
Memory Speed 5000 MHz 4500 MHz
Power (Max TDP) 55 watts 50 watts
Bandwidth 80000 MB/sec 72000 MB/sec
Texel Rate 32640 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 14400 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: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 amount of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs 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 is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 750

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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