GeForce 9500 GT 1GB GDDR3 vs GeForce GTX 1080

Intro

Compare all of that to the GeForce GTX 1080, which comes with a GPU core clock speed of 1607 MHz, and 8192 MB of GDDR5X RAM running at 1251 MHz through a 256-bit bus. It also is made up of 2560 Stream Processors, 160 TAUs, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 1GB GDDR3		50 Watts
GeForce GTX 1080		180 Watts
	Difference: 130 Watts (260%)

Memory Bandwidth

In theory, the GeForce GTX 1080 should be 1180% quicker than the GeForce 9500 GT 1GB GDDR3 overall, because of its greater bandwidth. (explain)

GeForce GTX 1080		327680 MB/sec
GeForce 9500 GT 1GB GDDR3		25600 MB/sec
	Difference: 302080 (1180%)

Texel Rate

The GeForce GTX 1080 is quite a bit (approximately 2822%) faster with regards to texture filtering than the GeForce 9500 GT 1GB GDDR3. (explain)

GeForce GTX 1080		257120 Mtexels/sec
GeForce 9500 GT 1GB GDDR3		8800 Mtexels/sec
	Difference: 248320 (2822%)

Pixel Rate

The GeForce GTX 1080 will be a lot (about 2237%) faster with regards to FSAA than the GeForce 9500 GT 1GB GDDR3, and should be capable of handling higher resolutions better. (explain)

GeForce GTX 1080		102848 Mpixels/sec
GeForce 9500 GT 1GB GDDR3		4400 Mpixels/sec
	Difference: 98448 (2237%)

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 transported past the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.