GeForce GTX 970M vs Radeon HD 5570

Intro

Compare those specs to the Radeon HD 5570, which has core clock speeds of 650 MHz on the GPU, and 900 MHz on the 512 MB of DDR3 RAM. It features 400(80x5) SPUs along with 20 TAUs and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5570		43 Watts
GeForce GTX 970M		75 Watts
	Difference: 32 Watts (74%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 970M should theoretically be a lot superior to the Radeon HD 5570 in general. (explain)

GeForce GTX 970M		96000 MB/sec
Radeon HD 5570		28800 MB/sec
	Difference: 67200 (233%)

Texel Rate

The GeForce GTX 970M should be much (approximately 469%) better at anisotropic filtering than the Radeon HD 5570. (explain)

GeForce GTX 970M		73920 Mtexels/sec
Radeon HD 5570		13000 Mtexels/sec
	Difference: 60920 (469%)

Pixel Rate

The GeForce GTX 970M will be quite a bit (about 753%) more effective at anti-aliasing than the Radeon HD 5570, and also able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 970M		44352 Mpixels/sec
Radeon HD 5570		5200 Mpixels/sec
	Difference: 39152 (753%)

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: Bandwidth is the max amount of data (counted in MB per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the bus width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher 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 processed in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. 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 many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.