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GeForce GTX 650 vs Radeon R7 M260X

Intro

The GeForce GTX 650 uses a 28 nm design. nVidia has clocked the core frequency at 1058 MHz. The GDDR5 RAM is set to run at a frequency of 1250 MHz on this specific card. It features 384 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon R7 M260X, which has a core clock frequency of 825 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 128-bit bus, and uses a 28 nm design. It is comprised of 384 SPUs, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 650, in theory, should be a lot faster than the Radeon R7 M260X overall. (explain)

GeForce GTX 650 80000 MB/sec
Radeon R7 M260X 64000 MB/sec
Difference: 16000 (25%)

Texel Rate

The GeForce GTX 650 is quite a bit (about 71%) faster with regards to anisotropic filtering than the Radeon R7 M260X. (explain)

GeForce GTX 650 33856 Mtexels/sec
Radeon R7 M260X 19800 Mtexels/sec
Difference: 14056 (71%)

Pixel Rate

The GeForce GTX 650 will be a lot (about 156%) faster with regards to full screen anti-aliasing than the Radeon R7 M260X, and also able to handle higher resolutions more effectively. (explain)

GeForce GTX 650 16928 Mpixels/sec
Radeon R7 M260X 6600 Mpixels/sec
Difference: 10328 (156%)

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

Check prices at:

Radeon R7 M260X

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 Radeon R7 M260X
Manufacturer nVidia AMD
Year September 2012 June 2014
Code Name GK107 Opal
Memory 1024 MB 2048 MB
Core Speed 1058 MHz 825 MHz
Memory Speed 5000 MHz 4000 MHz
Power (Max TDP) 64 watts (Unknown) watts
Bandwidth 80000 MB/sec 64000 MB/sec
Texel Rate 33856 Mtexels/sec 19800 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 384 384
Texture Mapping Units 32 24
Render Output Units 16 8
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 x8
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved over the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better 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 per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the 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 R7 M260X

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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