GeForce 9500 GT 1GB GDDR3 vs GeForce GTX 970

Intro

Compare those specs to the GeForce GTX 970, which makes use of a 28 nm design. nVidia has clocked the core frequency at 1050 MHz. The GDDR5 RAM is set to run at a frequency of 1750 MHz on this specific model. It features 1664 SPUs as well as 104 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 970		145 Watts
	Difference: 95 Watts (190%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 970 should be 775% faster than the GeForce 9500 GT 1GB GDDR3 overall, because of its greater data rate. (explain)

GeForce GTX 970		224000 MB/sec
GeForce 9500 GT 1GB GDDR3		25600 MB/sec
	Difference: 198400 (775%)

Texel Rate

The GeForce GTX 970 should be a lot (approximately 1141%) faster with regards to AF than the GeForce 9500 GT 1GB GDDR3. (explain)

GeForce GTX 970		109200 Mtexels/sec
GeForce 9500 GT 1GB GDDR3		8800 Mtexels/sec
	Difference: 100400 (1141%)

Pixel Rate

The GeForce GTX 970 will be quite a bit (more or less 1427%) better at AA than the GeForce 9500 GT 1GB GDDR3, and should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 970		67200 Mpixels/sec
GeForce 9500 GT 1GB GDDR3		4400 Mpixels/sec
	Difference: 62800 (1427%)

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 maximum amount of information (in units of megabytes per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

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