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GeForce GTX 650 Ti vs Radeon R9 M385X

Intro

The GeForce GTX 650 Ti has a clock frequency of 928 MHz and a GDDR5 memory speed of 1350 MHz. It also features a 128-bit bus, and uses a 28 nm design. It features 768 SPUs, 64 TAUs, and 16 ROPs.

Compare those specs to the Radeon R9 M385X, which comes with a GPU core clock speed of 1100 MHz, and 4096 MB of GDDR5 RAM running at 1500 MHz through a 128-bit bus. It also is made up of 896 Stream Processors, 56 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon R9 M385X should theoretically be a little bit superior to the GeForce GTX 650 Ti in general. (explain)

Radeon R9 M385X 96000 MB/sec
GeForce GTX 650 Ti 86400 MB/sec
Difference: 9600 (11%)

Texel Rate

The Radeon R9 M385X should be just a bit (more or less 4%) more effective at anisotropic filtering than the GeForce GTX 650 Ti. (explain)

Radeon R9 M385X 61600 Mtexels/sec
GeForce GTX 650 Ti 59392 Mtexels/sec
Difference: 2208 (4%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 M385X is the winner, not by a very large margin though. (explain)

Radeon R9 M385X 17600 Mpixels/sec
GeForce GTX 650 Ti 14848 Mpixels/sec
Difference: 2752 (19%)

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 650 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 650 Ti Radeon R9 M385X
Manufacturer nVidia AMD
Year October 2012 2015
Code Name GK106 Bonaire
Memory 1024 MB 4096 MB
Core Speed 928 MHz 1100 MHz
Memory Speed 5400 MHz 6000 MHz
Power (Max TDP) 110 watts (Unknown) watts
Bandwidth 86400 MB/sec 96000 MB/sec
Texel Rate 59392 Mtexels/sec 61600 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 768 896
Texture Mapping Units 64 56
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 2540 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If 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 amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 650 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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