GeForce GTX 1650 vs GeForce RTX 2080 SUPER

Intro

Compare those specs to the GeForce RTX 2080 SUPER, which comes with GPU clock speed of 1650 MHz, and 8192 MB of GDDR6 RAM set to run at 1937 MHz through a 256-bit bus. It also features 3072 Stream Processors, 192 Texture Address Units, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1650		75 Watts
GeForce RTX 2080 SUPER		250 Watts
	Difference: 175 Watts (233%)

Memory Bandwidth

Performance-wise, the GeForce RTX 2080 SUPER should theoretically be quite a bit superior to the GeForce GTX 1650 overall. (explain)

GeForce RTX 2080 SUPER		507904 MB/sec
GeForce GTX 1650		131072 MB/sec
	Difference: 376832 (288%)

Texel Rate

The GeForce RTX 2080 SUPER is quite a bit (about 281%) faster with regards to texture filtering than the GeForce GTX 1650. (explain)

GeForce RTX 2080 SUPER		316800 Mtexels/sec
GeForce GTX 1650		83160 Mtexels/sec
	Difference: 233640 (281%)

Pixel Rate

The GeForce RTX 2080 SUPER is a lot (about 122%) more effective at full screen anti-aliasing than the GeForce GTX 1650, and also should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce RTX 2080 SUPER		105600 Mpixels/sec
GeForce GTX 1650		47520 Mpixels/sec
	Difference: 58080 (122%)

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 (measured in MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's 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 are processed in one second. This is worked out 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can 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 ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.