GeForce GTX 1650 vs GeForce GTX 650

Intro

Compare those specs to the GeForce GTX 650, which comes with GPU clock speed of 1058 MHz, and 1024 MB of GDDR5 RAM set to run at 1250 MHz through a 128-bit bus. It also is made up of 384 Stream Processors, 32 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650		64 Watts
GeForce GTX 1650		75 Watts
	Difference: 11 Watts (17%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 1650 should theoretically be quite a bit superior to the GeForce GTX 650 in general. (explain)

GeForce GTX 1650		131072 MB/sec
GeForce GTX 650		80000 MB/sec
	Difference: 51072 (64%)

Texel Rate

The GeForce GTX 1650 will be quite a bit (approximately 146%) more effective at AF than the GeForce GTX 650. (explain)

GeForce GTX 1650		83160 Mtexels/sec
GeForce GTX 650		33856 Mtexels/sec
	Difference: 49304 (146%)

Pixel Rate

If using 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 GTX 650		16928 Mpixels/sec
	Difference: 30592 (181%)

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 maximum amount of data (measured in MB per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the 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 number of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the graphics 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 amount of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock 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 rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.