Radeon HD 4650 1GB vs Radeon RX 5500

Intro

Compare those specs to the Radeon RX 5500, which comes with core speeds of 1670 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR6 RAM. It features 1408 SPUs as well as 88 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4650 1GB		55 Watts
Radeon RX 5500		150 Watts
	Difference: 95 Watts (173%)

Memory Bandwidth

Theoretically, the Radeon RX 5500 should perform much faster than the Radeon HD 4650 1GB overall. (explain)

Radeon RX 5500		229376 MB/sec
Radeon HD 4650 1GB		22400 MB/sec
	Difference: 206976 (924%)

Texel Rate

The Radeon RX 5500 will be quite a bit (about 665%) better at AF than the Radeon HD 4650 1GB. (explain)

Radeon RX 5500		146960 Mtexels/sec
Radeon HD 4650 1GB		19200 Mtexels/sec
	Difference: 127760 (665%)

Pixel Rate

The Radeon RX 5500 is quite a bit (more or less 1013%) faster with regards to FSAA than the Radeon HD 4650 1GB, and will be capable of handling higher resolutions better. (explain)

Radeon RX 5500		53440 Mpixels/sec
Radeon HD 4650 1GB		4800 Mpixels/sec
	Difference: 48640 (1013%)

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 information (in units of MB per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.