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GeForce GTX 980M vs Radeon HD 5850

Intro

The GeForce GTX 980M comes with a core clock frequency of 1038 MHz and a GDDR5 memory speed of 1000 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It is made up of 1536 SPUs, 96 Texture Address Units, and 64 ROPs.

Compare those specifications to the Radeon HD 5850, which makes use of a 40 nm design. AMD has clocked the core speed at 725 MHz. The GDDR5 memory works at a speed of 1000 MHz on this particular card. It features 1440(288x5) SPUs as well as 72 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980M 100 Watts
Radeon HD 5850 151 Watts
Difference: 51 Watts (51%)

Memory Bandwidth

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

Texel Rate

The GeForce GTX 980M is a lot (about 91%) faster with regards to texture filtering than the Radeon HD 5850. (explain)

GeForce GTX 980M 99648 Mtexels/sec
Radeon HD 5850 52200 Mtexels/sec
Difference: 47448 (91%)

Pixel Rate

The GeForce GTX 980M will be a lot (about 186%) better at anti-aliasing than the Radeon HD 5850, and also will be able to handle higher resolutions more effectively. (explain)

GeForce GTX 980M 66432 Mpixels/sec
Radeon HD 5850 23200 Mpixels/sec
Difference: 43232 (186%)

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 980M

Amazon.com

Check prices at:

Radeon HD 5850

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 980M Radeon HD 5850
Manufacturer nVidia AMD
Year October 7 2014 September 30, 2009
Code Name GM204 Cypress PRO
Memory 4096 MB 1024 MB
Core Speed 1038 MHz 725 MHz
Memory Speed 4000 MHz 4000 MHz
Power (Max TDP) 100 watts 151 watts
Bandwidth 128000 MB/sec 128000 MB/sec
Texel Rate 99648 Mtexels/sec 52200 Mtexels/sec
Pixel Rate 66432 Mpixels/sec 23200 Mpixels/sec
Unified Shaders 1536 1440(288x5)
Texture Mapping Units 96 72
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 2154 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 max amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is calculated 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines 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 also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 980M

Amazon.com

Check prices at:

Radeon HD 5850

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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