GeForce 9500 GT DDR2 vs GeForce GTX 560

Intro

Compare that to the GeForce GTX 560, which has GPU core speed of 810 MHz, and 1024 MB of GDDR5 memory set to run at 1001 MHz through a 256-bit bus. It also features 336 Stream Processors, 56 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2		50 Watts
GeForce GTX 560		150 Watts
	Difference: 100 Watts (200%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 should perform quite a bit faster than the GeForce 9500 GT DDR2 overall. (explain)

GeForce GTX 560		128128 MB/sec
GeForce 9500 GT DDR2		16000 MB/sec
	Difference: 112128 (701%)

Texel Rate

The GeForce GTX 560 should be a lot (more or less 415%) more effective at texture filtering than the GeForce 9500 GT DDR2. (explain)

GeForce GTX 560		45360 Mtexels/sec
GeForce 9500 GT DDR2		8800 Mtexels/sec
	Difference: 36560 (415%)

Pixel Rate

The GeForce GTX 560 will be a lot (about 489%) better at AA than the GeForce 9500 GT DDR2, and able to handle higher resolutions better. (explain)

GeForce GTX 560		25920 Mpixels/sec
GeForce 9500 GT DDR2		4400 Mpixels/sec
	Difference: 21520 (489%)

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 data (measured in megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total amount of texture units by the core clock 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card 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 Raster Operations Pipelines by the clock 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 is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.