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GeForce GTX 650 vs Radeon R9 M365X

Intro

The GeForce GTX 650 makes use of a 28 nm design. nVidia has clocked the core frequency at 1058 MHz. The GDDR5 memory works at a speed of 1250 MHz on this specific model. It features 384 SPUs along with 32 Texture Address Units and 16 ROPs.

Compare those specs to the Radeon R9 M365X, which makes use of a 28 nm design. AMD has set the core speed at 925 MHz. The GDDR5 memory runs at a frequency of 1125 MHz on this specific model. It features 640 SPUs along with 40 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GTX 650 should theoretically be a little bit superior to the Radeon R9 M365X in general. (explain)

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

Texel Rate

The Radeon R9 M365X should be a little bit (more or less 9%) faster with regards to AF than the GeForce GTX 650. (explain)

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

Pixel Rate

The GeForce GTX 650 should be a bit (more or less 14%) better at FSAA than the Radeon R9 M365X, and will be capable of handling higher screen resolutions without losing too much performance. (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: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential 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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