GeForce GTX 1650 vs GeForce GTX 275

Intro

Compare those specifications to the GeForce GTX 275, which uses a 55 nm design. nVidia has set the core speed at 633 MHz. The GDDR3 memory runs at a speed of 1134 MHz on this model. It features 240 SPUs along with 80 TAUs and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1650		75 Watts
GeForce GTX 275		219 Watts
	Difference: 144 Watts (192%)

Memory Bandwidth

In theory, the GeForce GTX 1650 should be 3% faster than the GeForce GTX 275 overall, due to its higher bandwidth. (explain)

GeForce GTX 1650		131072 MB/sec
GeForce GTX 275		127008 MB/sec
	Difference: 4064 (3%)

Texel Rate

The GeForce GTX 1650 is much (approximately 64%) better at anisotropic filtering than the GeForce GTX 275. (explain)

GeForce GTX 1650		83160 Mtexels/sec
GeForce GTX 275		50640 Mtexels/sec
	Difference: 32520 (64%)

Pixel Rate

The GeForce GTX 1650 is quite a bit (approximately 168%) better at AA than the GeForce GTX 275, and will be capable of handling higher resolutions better. (explain)

GeForce GTX 1650		47520 Mpixels/sec
GeForce GTX 275		17724 Mpixels/sec
	Difference: 29796 (168%)

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 data (counted in megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the 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 the video card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. 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 lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.