GeForce 8800 GTS (G80) 640MB vs GeForce GTX 1650

Intro

Compare all of that to the GeForce GTX 1650, which features a clock speed of 1485 MHz and a GDDR5 memory frequency of 2001 MHz. It also uses a 128-bit memory bus, and uses a 12 nm design. It is comprised of 896 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1650		75 Watts
GeForce 8800 GTS (G80) 640MB		143 Watts
	Difference: 68 Watts (91%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1650 should be 107% faster than the GeForce 8800 GTS (G80) 640MB in general, due to its higher data rate. (explain)

GeForce GTX 1650		131072 MB/sec
GeForce 8800 GTS (G80) 640MB		63360 MB/sec
	Difference: 67712 (107%)

Texel Rate

The GeForce GTX 1650 is quite a bit (approximately 238%) more effective at AF than the GeForce 8800 GTS (G80) 640MB. (explain)

GeForce GTX 1650		83160 Mtexels/sec
GeForce 8800 GTS (G80) 640MB		24624 Mtexels/sec
	Difference: 58536 (238%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 1650 is a better choice, and very much so. (explain)

GeForce GTX 1650		47520 Mpixels/sec
GeForce 8800 GTS (G80) 640MB		10260 Mpixels/sec
	Difference: 37260 (363%)

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: Bandwidth is the max amount of information (in units of MB per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high 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 amount of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). 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 potential to reach the max fill rate.