GeForce GTS 450 1GB vs GeForce GTX 960

Intro

Compare those specs to the GeForce GTX 960, which features GPU core speed of 1127 MHz, and 2048 MB of GDDR5 RAM running at 1750 MHz through a 128-bit bus. It also is made up of 1024 Stream Processors, 64 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 1GB		106 Watts
GeForce GTX 960		120 Watts
	Difference: 14 Watts (13%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 960 should be a lot faster than the GeForce GTS 450 1GB in general. (explain)

GeForce GTX 960		112000 MB/sec
GeForce GTS 450 1GB		57728 MB/sec
	Difference: 54272 (94%)

Texel Rate

The GeForce GTX 960 will be much (more or less 188%) faster with regards to AF than the GeForce GTS 450 1GB. (explain)

GeForce GTX 960		72128 Mtexels/sec
GeForce GTS 450 1GB		25056 Mtexels/sec
	Difference: 47072 (188%)

Pixel Rate

The GeForce GTX 960 should be quite a bit (more or less 188%) faster with regards to anti-aliasing than the GeForce GTS 450 1GB, and also should be able to handle higher resolutions more effectively. (explain)

GeForce GTX 960		36064 Mpixels/sec
GeForce GTS 450 1GB		12528 Mpixels/sec
	Difference: 23536 (188%)

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 (counted in megabytes per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher 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 processed per second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few 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.