GeForce GTS 450 1GB vs GeForce GTX 295

Intro

Compare those specs to the GeForce GTX 295, which has a clock frequency of 576 MHz and a GDDR3 memory frequency of 999 MHz. It also makes use of a 448-bit memory bus, and uses a 55 nm design. It is made up of 240 SPUs, 80 TAUs, and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 1GB		106 Watts
GeForce GTX 295		289 Watts
	Difference: 183 Watts (173%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 295 should be a lot faster than the GeForce GTS 450 1GB in general. (explain)

GeForce GTX 295		223776 MB/sec
GeForce GTS 450 1GB		57728 MB/sec
	Difference: 166048 (288%)

Texel Rate

The GeForce GTX 295 should be much (about 268%) faster with regards to AF than the GeForce GTS 450 1GB. (explain)

GeForce GTX 295		92160 Mtexels/sec
GeForce GTS 450 1GB		25056 Mtexels/sec
	Difference: 67104 (268%)

Pixel Rate

The GeForce GTX 295 is a lot (approximately 157%) faster with regards to FSAA than the GeForce GTS 450 1GB, and also will be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 295		32256 Mpixels/sec
GeForce GTS 450 1GB		12528 Mpixels/sec
	Difference: 19728 (157%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen 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 texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.