GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, vs MSI MAG X870 Tomahawk WiFi Gaming Motherboard
Updated August 2026 — GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, wins on stability and user experience, MSI MAG X870 Tomahawk WiFi Gaming Motherboard wins on audio and price.
The GIGABYTE Z790 UD AC offers great value for Intel users, while the MSI MAG X870 Tomahawk excels in connectivity and audio features for AMD users.
Why GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, is better
Price
GIGABYTE is $70 cheaper
Stability
GIGABYTE emphasizes power stability
User Experience
GIGABYTE is known for user-friendly setup
Why MSI MAG X870 Tomahawk WiFi Gaming Motherboard is better
Connectivity
MSI includes USB 4 and Wi-Fi 7
Audio
MSI features Audio Boost 5
Future-proofing
MSI supports PCIe 5.0 and M.2 Gen5
Overall score
Specifications
| Spec | GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, | MSI MAG X870 Tomahawk WiFi Gaming Motherboard |
|---|---|---|
| Processor Support | Intel 12th-14th Gen | AMD Ryzen 9000/8000/7000 |
| RAM Type | DDR5 | DDR5 |
| M.2 Slots | 3 | M.2 Gen5 |
| USB Ports | USB-C 3.2 | USB 4 |
| Wi-Fi | Dual Band WiFi | Wi-Fi 7 |
Dimension comparison
Overview of the GIGABYTE Z790 UD AC and MSI MAG X870 Tomahawk
The GIGABYTE Z790 UD AC is priced at $149.99, making it about 32% cheaper than the MSI MAG X870 Tomahawk, which retails for $219.99. Both motherboards cater to different processor families—Intel and AMD—offering unique features that appeal to various types of gamers and computer builders. The Z790 UD AC supports Intel Core processors from the 12th to the 14th generation, while the MAG X870 Tomahawk is designed for the latest AMD Ryzen 9000, 8000, and 7000 series.
Design and Build Quality
The GIGABYTE Z790 UD AC boasts a sturdy design with a 16+1+1 Twin Hybrid Phases Digital Power Design that includes 60A DrMOS components. This ensures stability and reliability during intense gaming sessions. On the other hand, the MSI MAG X870 Tomahawk features an extended heatsink design that enhances thermal management, allowing high-end processors to run efficiently without overheating. Both motherboards have a robust build quality, but the GIGABYTE model emphasizes power stability, while the MSI focuses on heat dissipation.
Compatibility and Expansion
The GIGABYTE Z790 UD AC supports Intel processors and offers compatibility with DDR5 RAM across four DIMM slots, maximizing memory performance. It also includes three M.2 slots for NVMe drives, supporting PCIe 4.0. In contrast, the MSI MAG X870 Tomahawk is designed for AMD’s AM5 socket and also supports DDR5 memory, along with PCIe 5.0 and M.2 Gen5 for next-generation storage solutions. This makes the MSI motherboard slightly more future-proof in terms of connectivity, but if you are an Intel user, the GIGABYTE board is a strong contender.
Connectivity Options
Connectivity is a highlight for both motherboards, though they cater to different needs. The GIGABYTE Z790 UD AC features USB-C 3.2 and dual-band WiFi, providing versatile connectivity options for modern peripherals. The MSI MAG X870 Tomahawk takes it a step further with a built-in USB 4 port that offers lightning-fast 40Gbps transmission speeds, along with Wi-Fi 7 and Bluetooth 5.4 for improved wireless performance. The MSI’s advanced connectivity options may appeal more to users with high data transfer needs, making it a great choice for gamers and content creators alike.
Audio and Gaming Features
For audio performance, the GIGABYTE Z790 UD AC includes comprehensive thermal design features, but it does not specifically highlight any advanced audio technologies. Meanwhile, the MSI MAG X870 Tomahawk comes equipped with Audio Boost 5, which isolates audio with a high-quality processor, enhancing the overall gaming experience. This could be a significant factor for gamers who prioritize immersive sound quality in their setups. The MSI model clearly stands out in this area, appealing to audiophiles and gamers seeking a rich audio experience.
Price Comparison and Value
At $149.99, the GIGABYTE Z790 UD AC offers excellent value, especially considering its robust features aimed at Intel users. In contrast, the MSI MAG X870 Tomahawk, priced at $219.99, is about 47% more expensive and includes features that cater to AMD users. While both offer solid performance, the price difference reflects the additional capabilities found in the MSI model, particularly concerning connectivity and audio enhancements. Buyers must weigh whether these extra features justify the higher price.
User Experience and Reviews
While specific sales and bestseller ranks for both motherboards are not provided, the GIGABYTE Z790 UD AC is known for its user-friendly setup and solid performance, making it a reliable choice for gamers and PC builders. The MSI MAG X870 Tomahawk, with its military-inspired design, is marketed towards serious gamers and is praised for its durability and gaming-oriented features. User feedback generally highlights the MSI model's superior audio and connectivity, while the GIGABYTE model is often recognized for its stability and affordability.
Which should you buy?
Choosing between the GIGABYTE Z790 UD AC and MSI MAG X870 Tomahawk ultimately depends on your specific needs and processor choice. If you're looking for a budget-friendly option with solid performance for Intel processors, the GIGABYTE Z790 UD AC is a compelling choice at $149.99. Conversely, if you're an AMD user who requires cutting-edge connectivity and superior audio features, the MSI MAG X870 Tomahawk, despite its higher price of $219.99, may be worth the investment. Evaluate your priorities—whether it’s cost-effectiveness or advanced features—to make the best decision for your build.

