GeForce GTX 275 vs GeForce GTX 650 Ti 2GB

Intro

Compare those specs to the GeForce GTX 650 Ti 2GB, which makes use of a 28 nm design. nVidia has clocked the core speed at 928 MHz. The GDDR5 RAM is set to run at a speed of 1350 MHz on this card. It features 768 SPUs along with 64 Texture Address Units and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB		110 Watts
GeForce GTX 275		219 Watts
	Difference: 109 Watts (99%)

Memory Bandwidth

In theory, the GeForce GTX 275 is 47% faster than the GeForce GTX 650 Ti 2GB in general, due to its higher data rate. (explain)

GeForce GTX 275		127008 MB/sec
GeForce GTX 650 Ti 2GB		86400 MB/sec
	Difference: 40608 (47%)

Texel Rate

The GeForce GTX 650 Ti 2GB should be just a bit (approximately 17%) faster with regards to texture filtering than the GeForce GTX 275. (explain)

GeForce GTX 650 Ti 2GB		59392 Mtexels/sec
GeForce GTX 275		50640 Mtexels/sec
	Difference: 8752 (17%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 275 is superior to the GeForce GTX 650 Ti 2GB, but not by far. (explain)

GeForce GTX 275		17724 Mpixels/sec
GeForce GTX 650 Ti 2GB		14848 Mpixels/sec
	Difference: 2876 (19%)

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 data (counted in megabytes per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the bus width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster 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 can be applied in one second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.