When it comes to choosing the right hardware for a high-performance gaming PC, two popular options among enthusiasts are the ASUS ROG Strix Z790-E and the MSI MAG B660 Tomahawk motherboards. Both of these motherboards offer a range of features that can enhance the overall computing experience, but they differ in several key areas.

Firstly, let's consider the chipset used by each motherboard. The ASUS ROG Strix Z790-E is based on the Intel Z790 chipset, which is designed to support 13th Gen Core series processors. This chipset offers a range of advanced features, including PCIe 5.0 support, Wi-Fi 6E, and high-speed USB 3.2 Gen 2x2. In contrast, the MSI MAG B660 Tomahawk uses the Intel B660 chipset, which is also designed for 13th Gen Core series processors but lacks some of the more advanced features found on the Z790 chipset.

In terms of power delivery, the ASUS ROG Strix Z790-E has a significant advantage over the MSI MAG B660 Tomahawk. The ROG Strix Z790-E features a 24+2 phase VRM design, which provides a high level of power stability and efficiency. This makes it well-suited for overclocking and running demanding workloads. The MSI MAG B660 Tomahawk, on the other hand, has a more modest 12+1 phase VRM design, which may not be as effective at handling extreme loads.

Another key area where these motherboards differ is in their expansion options. The ASUS ROG Strix Z790-E has a total of four PCIe x16 slots, which can support up to three graphics cards in SLI or Crossfire configurations. It also has two PCIe x1 slots and a single M.2 slot with PCIe 5.0 support. In contrast, the MSI MAG B660 Tomahawk has only two PCIe x16 slots, one PCIe x1 slot, and two M.2 slots with PCIe 4.0 support.

When it comes to connectivity options, both motherboards offer a range of features, including high-speed USB ports, SATA ports, and HDMI outputs. However, the ASUS ROG Strix Z790-E has a more comprehensive set of features, including Wi-Fi 6E, Bluetooth 5.2, and a high-quality audio codec. The MSI MAG B660 Tomahawk also offers Wi-Fi and Bluetooth connectivity, but its implementation is not as robust.

In terms of aesthetics, both motherboards have a sleek and modern design that will appeal to gamers and enthusiasts. However, the ASUS ROG Strix Z790-E has a more premium feel, with a high-quality PCB and a range of RGB lighting effects. The MSI MAG B660 Tomahawk also has some RGB lighting, but it is not as extensive.

Finally, let's consider the price point of each motherboard. The ASUS ROG Strix Z790-E is generally priced around $500-$600, which reflects its high-end features and premium build quality. The MSI MAG B660 Tomahawk, on the other hand, is typically priced around $200-$300, making it a more affordable option for those who want a solid motherboard without breaking the bank.

In conclusion, both the ASUS ROG Strix Z790-E and the MSI MAG B660 Tomahawk are high-quality motherboards that offer a range of features for gamers and enthusiasts. However, they differ significantly in terms of their chipset, power delivery, expansion options, and connectivity features. The ASUS ROG Strix Z790-E is a more premium option with advanced features and a higher price point, while the MSI MAG B660 Tomahawk offers a more affordable solution with some compromises on performance and features. Ultimately, the choice between these two motherboards will depend on your specific needs and budget, as well as your priorities when it comes to features like power delivery, expansion options, and connectivity. As with any motherboards, it's essential to research and compare the specifications to find the best fit for your system.