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GeForce GTX 980M vs Radeon HD 5830

Intro

The GeForce GTX 980M has a core clock speed of 1038 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 256-bit bus, and uses a 28 nm design. It is made up of 1536 SPUs, 96 TAUs, and 64 ROPs.

Compare all that to the Radeon HD 5830, which uses a 40 nm design. AMD has set the core frequency at 800 MHz. The GDDR5 memory is set to run at a frequency of 1000 MHz on this specific model. It features 1120(224x5) SPUs as well as 56 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980M 100 Watts
Radeon HD 5830 175 Watts
Difference: 75 Watts (75%)

Memory Bandwidth

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

Texel Rate

The GeForce GTX 980M is quite a bit (more or less 122%) better at texture filtering than the Radeon HD 5830. (explain)

GeForce GTX 980M 99648 Mtexels/sec
Radeon HD 5830 44800 Mtexels/sec
Difference: 54848 (122%)

Pixel Rate

The GeForce GTX 980M is much (more or less 419%) better at FSAA than the Radeon HD 5830, and also will be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 980M 66432 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 53632 (419%)

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

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Radeon HD 5830

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 5830
Manufacturer nVidia AMD
Year October 7 2014 February 25, 2010
Code Name GM204 Cypress LE
Memory 4096 MB 1024 MB
Core Speed 1038 MHz 800 MHz
Memory Speed 4000 MHz 4000 MHz
Power (Max TDP) 100 watts 175 watts
Bandwidth 128000 MB/sec 128000 MB/sec
Texel Rate 99648 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 66432 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 1536 1120(224x5)
Texture Mapping Units 96 56
Render Output Units 64 16
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: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transferred past the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster 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 number of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, 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 that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 980M

Amazon.com

Check prices at:

Radeon HD 5830

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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