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GeForce GTX 650 Ti vs Radeon R9 M385X

Intro

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

Compare all that to the Radeon R9 M385X, which uses a 28 nm design. AMD has set the core speed at 1100 MHz. The GDDR5 RAM works at a frequency of 1500 MHz on this model. It features 896 SPUs as well as 56 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon R9 M385X should be a small bit faster than 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 will be a small bit (approximately 4%) faster with regards to texture 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

The Radeon R9 M385X should be just a bit (more or less 19%) faster with regards to full screen anti-aliasing than the GeForce GTX 650 Ti, and also should be able to handle higher resolutions better. (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: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type memory, 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 AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to 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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