GeForce GTX 470 vs GeForce GTX 980M

Intro

Compare those specs to the GeForce GTX 980M, which features a core clock frequency of 1038 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It features 1536 SPUs, 96 TAUs, and 64 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 980M		9476 points
GeForce GTX 470		2937 points
	Difference: 6539 (223%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980M		100 Watts
GeForce GTX 470		215 Watts
	Difference: 115 Watts (115%)

Memory Bandwidth

Theoretically, the GeForce GTX 470 should perform a small bit faster than the GeForce GTX 980M in general. (explain)

GeForce GTX 470		133920 MB/sec
GeForce GTX 980M		128000 MB/sec
	Difference: 5920 (5%)

Texel Rate

The GeForce GTX 980M should be a lot (about 193%) faster with regards to texture filtering than the GeForce GTX 470. (explain)

GeForce GTX 980M		99648 Mtexels/sec
GeForce GTX 470		33992 Mtexels/sec
	Difference: 65656 (193%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 980M is a better choice, and very much so. (explain)

GeForce GTX 980M		66432 Mpixels/sec
GeForce GTX 470		24280 Mpixels/sec
	Difference: 42152 (174%)

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 maximum amount of information (in units of megabytes per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the 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 texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total number of texture units by the core clock 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few 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.