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GeForce GTX 750 vs Radeon R9 M385X

Intro

The GeForce GTX 750 features clock speeds of 1020 MHz on the GPU, and 1250 MHz on the 1024 MB of GDDR5 RAM. It features 512 SPUs as well as 32 TAUs and 16 ROPs.

Compare those specs to the Radeon R9 M385X, which uses a 28 nm design. AMD has set the core frequency at 1100 MHz. The GDDR5 RAM runs at a speed of 1500 MHz on this particular model. It features 896 SPUs along with 56 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 M385X should be a small bit faster than the GeForce GTX 750 overall. (explain)

Radeon R9 M385X 96000 MB/sec
GeForce GTX 750 80000 MB/sec
Difference: 16000 (20%)

Texel Rate

The Radeon R9 M385X should be a lot (more or less 89%) better at texture filtering than the GeForce GTX 750. (explain)

Radeon R9 M385X 61600 Mtexels/sec
GeForce GTX 750 32640 Mtexels/sec
Difference: 28960 (89%)

Pixel Rate

The Radeon R9 M385X will be a little bit (approximately 8%) better at full screen anti-aliasing than the GeForce GTX 750, and capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon R9 M385X 17600 Mpixels/sec
GeForce GTX 750 16320 Mpixels/sec
Difference: 1280 (8%)

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 M385X

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 M385X
Manufacturer nVidia AMD
Year February 2014 2015
Code Name GM107 Bonaire
Memory 1024 MB 4096 MB
Core Speed 1020 MHz 1100 MHz
Memory Speed 5000 MHz 6000 MHz
Power (Max TDP) 55 watts (Unknown) watts
Bandwidth 80000 MB/sec 96000 MB/sec
Texel Rate 32640 Mtexels/sec 61600 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 512 896
Texture Mapping Units 32 56
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 12
OpenGL Version OpenGL 4.4 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 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 card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 750

Amazon.com

Check prices at:

Radeon R9 M385X

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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