GeForce 9500 GT 1GB GDDR3 vs GeForce GTX 780 Ti

Intro

Compare those specifications to the GeForce GTX 780 Ti, which has a clock frequency of 875 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 384-bit bus, and makes use of a 28 nm design. It features 2880 SPUs, 240 Texture Address Units, and 48 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 780 Ti		250 Watts
	Difference: 200 Watts (400%)

Memory Bandwidth

Theoretically, the GeForce GTX 780 Ti should be much faster than the GeForce 9500 GT 1GB GDDR3 in general. (explain)

GeForce GTX 780 Ti		336000 MB/sec
GeForce 9500 GT 1GB GDDR3		25600 MB/sec
	Difference: 310400 (1213%)

Texel Rate

The GeForce GTX 780 Ti should be quite a bit (approximately 2286%) more effective at AF than the GeForce 9500 GT 1GB GDDR3. (explain)

GeForce GTX 780 Ti		210000 Mtexels/sec
GeForce 9500 GT 1GB GDDR3		8800 Mtexels/sec
	Difference: 201200 (2286%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 780 Ti is a better choice, and very much so. (explain)

GeForce GTX 780 Ti		42000 Mpixels/sec
GeForce 9500 GT 1GB GDDR3		4400 Mpixels/sec
	Difference: 37600 (855%)

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 data (in units of megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the bus width by its memory speed. In the case of DDR RAM, it should 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, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.