GeForce 9500 GT 1GB GDDR3 vs GeForce GTX 750 Ti

Intro

Compare those specs to the GeForce GTX 750 Ti, which uses a 28 nm design. nVidia has set the core frequency at 1020 MHz. The GDDR5 RAM works at a speed of 1350 MHz on this specific model. It features 640 SPUs as well as 40 Texture Address Units and 16 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 750 Ti		60 Watts
	Difference: 10 Watts (20%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 750 Ti will be 238% faster than the GeForce 9500 GT 1GB GDDR3 overall, because of its greater bandwidth. (explain)

GeForce GTX 750 Ti		86400 MB/sec
GeForce 9500 GT 1GB GDDR3		25600 MB/sec
	Difference: 60800 (238%)

Texel Rate

The GeForce GTX 750 Ti is quite a bit (about 364%) faster with regards to AF than the GeForce 9500 GT 1GB GDDR3. (explain)

GeForce GTX 750 Ti		40800 Mtexels/sec
GeForce 9500 GT 1GB GDDR3		8800 Mtexels/sec
	Difference: 32000 (364%)

Pixel Rate

The GeForce GTX 750 Ti will be a lot (approximately 271%) better at AA than the GeForce 9500 GT 1GB GDDR3, and should be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 750 Ti		16320 Mpixels/sec
GeForce 9500 GT 1GB GDDR3		4400 Mpixels/sec
	Difference: 11920 (271%)

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: Memory bandwidth is the max amount of information (measured in MB per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it must 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, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.