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GeForce GTX 550 Ti vs Radeon R9 M385X

Intro

The GeForce GTX 550 Ti has clock speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 RAM. It features 192 SPUs along with 32 TAUs and 24 Rasterization Operator Units.

Compare all that to the Radeon R9 M385X, which uses a 28 nm design. AMD has clocked the core speed at 1100 MHz. The GDDR5 memory is set to run at a frequency of 1500 MHz on this model. It features 896 SPUs along with 56 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX 550 Ti should theoretically be just a bit superior to the Radeon R9 M385X overall. (explain)

GeForce GTX 550 Ti 98496 MB/sec
Radeon R9 M385X 96000 MB/sec
Difference: 2496 (3%)

Texel Rate

The Radeon R9 M385X will be quite a bit (more or less 114%) better at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

Radeon R9 M385X 61600 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 32800 (114%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 550 Ti is a better choice, by a large margin. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
Radeon R9 M385X 17600 Mpixels/sec
Difference: 4000 (23%)

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 550 Ti

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 550 Ti Radeon R9 M385X
Manufacturer nVidia AMD
Year March 2011 2015
Code Name GF116 Bonaire
Memory 1024 MB 4096 MB
Core Speed 900 MHz 1100 MHz
Memory Speed 4104 MHz 6000 MHz
Power (Max TDP) 116 watts (Unknown) watts
Bandwidth 98496 MB/sec 96000 MB/sec
Texel Rate 28800 Mtexels/sec 61600 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 192 896
Texture Mapping Units 32 56
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in MB per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, 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 amount of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels 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 clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 550 Ti

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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