GeForce 810M vs Radeon HD 7790

Intro

Compare that to the Radeon HD 7790, which features clock speeds of 1000 MHz on the GPU, and 1500 MHz on the 1024 MB of GDDR5 RAM. It features 896 SPUs along with 56 TAUs and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M		15 Watts
Radeon HD 7790		85 Watts
	Difference: 70 Watts (467%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 7790 should perform a lot faster than the GeForce 810M in general. (explain)

Radeon HD 7790		96000 MB/sec
GeForce 810M		14400 MB/sec
	Difference: 81600 (567%)

Texel Rate

The Radeon HD 7790 should be a lot (about 849%) more effective at texture filtering than the GeForce 810M. (explain)

Radeon HD 7790		56000 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 50096 (849%)

Pixel Rate

The Radeon HD 7790 should be a lot (approximately 442%) better at full screen anti-aliasing than the GeForce 810M, and also capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon HD 7790		16000 Mpixels/sec
GeForce 810M		2952 Mpixels/sec
	Difference: 13048 (442%)

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 largest amount of information (in units of MB per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 amount of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.