GeForce GTS 450 vs Radeon RX 5500

Intro

Compare those specifications to the Radeon RX 5500, which uses a 7 nm design. AMD has set the core speed at 1670 MHz. The GDDR6 memory works at a frequency of 1750 MHz on this particular model. It features 1408 SPUs along with 88 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450		106 Watts
Radeon RX 5500		150 Watts
	Difference: 44 Watts (42%)

Memory Bandwidth

The Radeon RX 5500 should in theory be much faster than the GeForce GTS 450 in general. (explain)

Radeon RX 5500		229376 MB/sec
GeForce GTS 450		57728 MB/sec
	Difference: 171648 (297%)

Texel Rate

The Radeon RX 5500 will be quite a bit (approximately 487%) faster with regards to anisotropic filtering than the GeForce GTS 450. (explain)

Radeon RX 5500		146960 Mtexels/sec
GeForce GTS 450		25056 Mtexels/sec
	Difference: 121904 (487%)

Pixel Rate

The Radeon RX 5500 should be quite a bit (approximately 327%) faster with regards to AA than the GeForce GTS 450, and also capable of handling higher resolutions better. (explain)

Radeon RX 5500		53440 Mpixels/sec
GeForce GTS 450		12528 Mpixels/sec
	Difference: 40912 (327%)

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 information (measured in MB per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 number of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the video card will be at handling 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 graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.