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GeForce GTX 650 vs Radeon HD 5670

Intro

The GeForce GTX 650 features core clock speeds of 1058 MHz on the GPU, and 1250 MHz on the 1024 MB of GDDR5 RAM. It features 384 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 5670, which has core clock speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 400(80x5) SPUs as well as 20 Texture Address Units and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce GTX 650 64 Watts
Difference: 3 Watts (5%)

Memory Bandwidth

Theoretically, the GeForce GTX 650 should be much faster than the Radeon HD 5670 in general. (explain)

GeForce GTX 650 80000 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 16000 (25%)

Texel Rate

The GeForce GTX 650 should be a lot (more or less 118%) faster with regards to anisotropic filtering than the Radeon HD 5670. (explain)

GeForce GTX 650 33856 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 18356 (118%)

Pixel Rate

The GeForce GTX 650 is a lot (more or less 173%) more effective at FSAA than the Radeon HD 5670, and also capable of handling higher resolutions more effectively. (explain)

GeForce GTX 650 16928 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 10728 (173%)

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 HD 5670

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 HD 5670
Manufacturer nVidia AMD
Year September 2012 January 14, 2010
Code Name GK107 Redwood XT
Memory 1024 MB 1024 MB
Core Speed 1058 MHz 775 MHz
Memory Speed 5000 MHz 4000 MHz
Power (Max TDP) 64 watts 61 watts
Bandwidth 80000 MB/sec 64000 MB/sec
Texel Rate 33856 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 384 400(80x5)
Texture Mapping Units 32 20
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors 1300 million 627 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.3 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is worked out by multiplying the total 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 650

Amazon.com

Check prices at:

Radeon HD 5670

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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