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GeForce GTX 750 vs Radeon R9 M265X

Intro

The GeForce GTX 750 uses a 28 nm design. nVidia has clocked the core frequency at 1020 MHz. The GDDR5 RAM is set to run at a frequency of 1250 MHz on this particular model. It features 512 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon R9 M265X, which features core speeds of 575 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 750 should be just a bit faster than the Radeon R9 M265X overall. (explain)

GeForce GTX 750 80000 MB/sec
Radeon R9 M265X 72000 MB/sec
Difference: 8000 (11%)

Texel Rate

The GeForce GTX 750 should be a lot (more or less 42%) better at texture filtering than the Radeon R9 M265X. (explain)

GeForce GTX 750 32640 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 9640 (42%)

Pixel Rate

The GeForce GTX 750 should be a lot (more or less 77%) more effective at full screen anti-aliasing than the Radeon R9 M265X, and also should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 750 16320 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 7120 (77%)

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 M265X

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 M265X
Manufacturer nVidia AMD
Year February 2014 May 1 2014
Code Name GM107 Venus Pro
Memory 1024 MB 2048 MB
Core Speed 1020 MHz 575 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 23000 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 9200 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 (in units of megabytes per second) that can be transferred over the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount 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 outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 750

Amazon.com

Check prices at:

Radeon R9 M265X

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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