GeForce GTX 1650 vs GeForce GTX 660

Intro

Compare all that to the GeForce GTX 660, which uses a 28 nm design. nVidia has set the core frequency at 980 MHz. The GDDR5 RAM works at a speed of 1502 MHz on this particular model. It features 960 SPUs as well as 80 Texture Address Units and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1650		75 Watts
GeForce GTX 660		140 Watts
	Difference: 65 Watts (87%)

Memory Bandwidth

The GeForce GTX 660 should theoretically be a bit faster than the GeForce GTX 1650 overall. (explain)

GeForce GTX 660		144192 MB/sec
GeForce GTX 1650		131072 MB/sec
	Difference: 13120 (10%)

Texel Rate

The GeForce GTX 1650 should be a small bit (more or less 6%) more effective at AF than the GeForce GTX 660. (explain)

GeForce GTX 1650		83160 Mtexels/sec
GeForce GTX 660		78400 Mtexels/sec
	Difference: 4760 (6%)

Pixel Rate

The GeForce GTX 1650 is much (more or less 102%) more effective at full screen anti-aliasing than the GeForce GTX 660, and should be capable of handling higher resolutions better. (explain)

GeForce GTX 1650		47520 Mpixels/sec
GeForce GTX 660		23520 Mpixels/sec
	Difference: 24000 (102%)

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 largest amount of data (measured in MB per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once 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 number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.