GeForce GTX 650 Ti 2GB vs Radeon RX 6650 XT

Intro

Compare those specifications to the Radeon RX 6650 XT, which features a GPU core clock speed of 2055 MHz, and 8192 MB of GDDR6 RAM running at 2190 MHz through a 128-bit bus. It also features 2048 SPUs, 128 TAUs, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB		110 Watts
Radeon RX 6650 XT		176 Watts
	Difference: 66 Watts (60%)

Memory Bandwidth

In theory, the Radeon RX 6650 XT is 232% quicker than the GeForce GTX 650 Ti 2GB overall, because of its higher bandwidth. (explain)

Radeon RX 6650 XT		287072 MB/sec
GeForce GTX 650 Ti 2GB		86400 MB/sec
	Difference: 200672 (232%)

Texel Rate

The Radeon RX 6650 XT should be much (about 343%) more effective at anisotropic filtering than the GeForce GTX 650 Ti 2GB. (explain)

Radeon RX 6650 XT		263040 Mtexels/sec
GeForce GTX 650 Ti 2GB		59392 Mtexels/sec
	Difference: 203648 (343%)

Pixel Rate

The Radeon RX 6650 XT should be a lot (more or less 786%) better at full screen anti-aliasing than the GeForce GTX 650 Ti 2GB, and capable of handling higher resolutions better. (explain)

Radeon RX 6650 XT		131520 Mpixels/sec
GeForce GTX 650 Ti 2GB		14848 Mpixels/sec
	Difference: 116672 (786%)

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 max amount of data (counted in MB per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, 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 are processed per second. This figure 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 in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the clock 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 of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.