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GeForce GTX 650 vs Radeon R9 M365X

Intro

The GeForce GTX 650 uses a 28 nm design. nVidia has set the core speed at 1058 MHz. The GDDR5 RAM runs at a frequency of 1250 MHz on this card. It features 384 SPUs along with 32 Texture Address Units and 16 ROPs.

Compare all of that to the Radeon R9 M365X, which makes use of a 28 nm design. AMD has set the core frequency at 925 MHz. The GDDR5 memory works at a frequency of 1125 MHz on this specific card. It features 640 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the GeForce GTX 650 should be a small bit faster than the Radeon R9 M365X overall. (explain)

GeForce GTX 650 80000 MB/sec
Radeon R9 M365X 72000 MB/sec
Difference: 8000 (11%)

Texel Rate

The Radeon R9 M365X will be a small bit (approximately 9%) better at anisotropic filtering than the GeForce GTX 650. (explain)

Radeon R9 M365X 37000 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 3144 (9%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 650 is the winner, not by a very large margin though. (explain)

GeForce GTX 650 16928 Mpixels/sec
Radeon R9 M365X 14800 Mpixels/sec
Difference: 2128 (14%)

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

Amazon.com

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Radeon R9 M365X

Amazon.com

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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 Radeon R9 M365X
Manufacturer nVidia AMD
Year September 2012 2015
Code Name GK107 Cape Verde
Memory 1024 MB 4096 MB
Core Speed 1058 MHz 925 MHz
Memory Speed 5000 MHz 4500 MHz
Power (Max TDP) 64 watts (Unknown) watts
Bandwidth 80000 MB/sec 72000 MB/sec
Texel Rate 33856 Mtexels/sec 37000 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 14800 Mpixels/sec
Unified Shaders 384 640
Texture Mapping Units 32 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1300 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 data (measured in megabytes per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per 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 the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs 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 rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 650

Amazon.com

Check prices at:

Radeon R9 M365X

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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