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GeForce GTX 750 vs Radeon R9 M385X

Intro

The GeForce GTX 750 comes with core clock speeds of 1020 MHz on the GPU, and 1250 MHz on the 1024 MB of GDDR5 memory. It features 512 SPUs along with 32 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the Radeon R9 M385X, which features a clock frequency of 1100 MHz and a GDDR5 memory frequency of 1500 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It features 896 SPUs, 56 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R9 M385X should be 20% faster than the GeForce GTX 750 in general, due to its greater bandwidth. (explain)

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

Texel Rate

The Radeon R9 M385X will be much (about 89%) more effective 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 is a little bit (more or less 8%) more effective at full screen anti-aliasing than the GeForce GTX 750, and should be capable of handling higher screen resolutions more effectively. (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: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of 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

Hide Prices

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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