GeForce GTX 950M vs Radeon HD 5830

Intro

Compare that to the Radeon HD 5830, which makes use of a 40 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this model. It features 1120(224x5) SPUs along with 56 Texture Address Units and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M		55 Watts
Radeon HD 5830		175 Watts
	Difference: 120 Watts (218%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5830 should in theory be quite a bit better than the GeForce GTX 950M in general. (explain)

Radeon HD 5830		128000 MB/sec
GeForce GTX 950M		32000 MB/sec
	Difference: 96000 (300%)

Texel Rate

The Radeon HD 5830 will be quite a bit (about 23%) better at AF than the GeForce GTX 950M. (explain)

Radeon HD 5830		44800 Mtexels/sec
GeForce GTX 950M		36560 Mtexels/sec
	Difference: 8240 (23%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 950M is superior to the Radeon HD 5830, not by a very large margin though. (explain)

GeForce GTX 950M		14624 Mpixels/sec
Radeon HD 5830		12800 Mpixels/sec
	Difference: 1824 (14%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in MB per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines 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 output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.