GeForce 9500 GT DDR2 vs GeForce GTX 980M

Intro

Compare that to the GeForce GTX 980M, which comes with GPU core speed of 1038 MHz, and 4096 MB of GDDR5 memory running at 1000 MHz through a 256-bit bus. It also is made up of 1536 Stream Processors, 96 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2		50 Watts
GeForce GTX 980M		100 Watts
	Difference: 50 Watts (100%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 980M is 700% faster than the GeForce 9500 GT DDR2 in general, because of its higher data rate. (explain)

GeForce GTX 980M		128000 MB/sec
GeForce 9500 GT DDR2		16000 MB/sec
	Difference: 112000 (700%)

Texel Rate

The GeForce GTX 980M will be a lot (about 1032%) faster with regards to AF than the GeForce 9500 GT DDR2. (explain)

GeForce GTX 980M		99648 Mtexels/sec
GeForce 9500 GT DDR2		8800 Mtexels/sec
	Difference: 90848 (1032%)

Pixel Rate

The GeForce GTX 980M will be much (about 1410%) faster with regards to full screen anti-aliasing than the GeForce 9500 GT DDR2, and capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 980M		66432 Mpixels/sec
GeForce 9500 GT DDR2		4400 Mpixels/sec
	Difference: 62032 (1410%)

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 (counted in MB per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video 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 that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.