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GeForce GTX 860M vs Radeon HD 5670

Intro

The GeForce GTX 860M uses a 28 nm design. nVidia has clocked the core speed at 797 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this particular card. It features 1152 SPUs as well as 96 TAUs and 16 ROPs.

Compare all of that to the Radeon HD 5670, which features 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.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
Radeon HD 5670 61 Watts
Difference: 16 Watts (36%)

Memory Bandwidth

Both cards have the exact same memory bandwidth, so theoretically they should perform exactly the same. (explain)

Texel Rate

The GeForce GTX 860M should be a lot (approximately 394%) more effective at anisotropic filtering than the Radeon HD 5670. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 61012 (394%)

Pixel Rate

The GeForce GTX 860M is much (about 106%) better at full screen anti-aliasing than the Radeon HD 5670, and capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 860M 12752 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 6552 (106%)

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 860M

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 860M Radeon HD 5670
Manufacturer nVidia AMD
Year March 12 2014 January 14, 2010
Code Name GM107 Redwood XT
Memory 4096 MB 1024 MB
Core Speed 797 MHz 775 MHz
Memory Speed 4000 MHz 4000 MHz
Power (Max TDP) 45 watts 61 watts
Bandwidth 64000 MB/sec 64000 MB/sec
Texel Rate 76512 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 1152 400(80x5)
Texture Mapping Units 96 20
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 627 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, 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 amount of texture map elements (texels) that are processed per second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

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

Display Prices

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GeForce GTX 860M

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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