MSI MAG B850 TOMAHAWK MAX WIFI Motherboard vs MSI MAG Z790 TOMAHAWK WIFI Motherboard
Updated August 2026 — The MSI MAG B850 TOMAHAWK MAX WIFI excels in advanced features and future-proofing, while the MSI MAG Z790 TOMAHAWK WIFI offers solid performance at a lower price.
The MSI MAG B850 TOMAHAWK MAX WIFI excels in advanced features and future-proofing, while the MSI MAG Z790 TOMAHAWK WIFI offers solid performance at a lower price.
Why MSI MAG B850 TOMAHAWK MAX WIFI Motherboard is better
Advanced Features
Supports Wi-Fi 7 and faster M.2 Gen5 slots
Higher Memory Speed
Offers up to 8400+ MT/s memory speed
Better Storage Options
Includes M.2 Gen5 slots for faster storage
Why MSI MAG Z790 TOMAHAWK WIFI Motherboard is better
Lower Price
Priced at £184.99 compared to B850's £208.99
Robust Power System
16 Duet Rail Power System rated at 90A
Good Cooling
Includes dedicated pump-fan cooling header
Overall score
Specifications
| Spec | MSI MAG B850 TOMAHAWK MAX WIFI Motherboard | MSI MAG Z790 TOMAHAWK WIFI Motherboard |
|---|---|---|
| Processor Support | Ryzen 9000 | Intel 12th/13th/14th |
| Power System | 14 Duet Rail 80A | 16 Duet Rail 90A |
| Memory Speed | 8400+ MT/s | 7200+ MHz |
| M.2 Slots | 2 Gen5, 1 Gen4 | 4 Gen4 |
| Wi-Fi Version | Wi-Fi 7 | Wi-Fi 6E |
Dimension comparison
Overview of the MSI MAG B850 TOMAHAWK MAX WIFI and MSI MAG Z790 TOMAHAWK WIFI Motherboards
The MSI MAG B850 TOMAHAWK MAX WIFI is priced at £208.99, while the MSI MAG Z790 TOMAHAWK WIFI is slightly more affordable at £184.99. Both motherboards are high-performance options, but they cater to different processor generations and user needs. Understanding their specifications and unique features is essential for making an informed choice.
Processor Compatibility
The MSI MAG B850 TOMAHAWK MAX WIFI supports the latest Ryzen 9000 processors, utilising the AMD B850 chipset. Its 14 Duet Rail Power System is designed for high-performance demands, allowing for optimal power delivery to the CPU. In contrast, the MSI MAG Z790 TOMAHAWK WIFI caters to Intel's 12th, 13th, and 14th Gen Core processors, leveraging a more robust 16 Duet Rail Power System that can handle a higher current of 90A. This difference highlights a key consideration: if you're leaning towards Intel's latest offerings, the Z790 is the clear choice, while the B850 excels for AMD users.
Power Delivery System
The MSI MAG B850 TOMAHAWK MAX WIFI features a 14 Duet Rail Power System rated at 80A, ensuring sufficient power for Ryzen CPUs. On the other hand, the MSI MAG Z790 TOMAHAWK WIFI has a superior 16 Duet Rail Power System rated at 90A, which is particularly advantageous for users with high core count Intel CPUs. This means the Z790 can provide better support for overclocking and power-demanding tasks, making it a more robust option for performance enthusiasts.
Cooling Solutions
Both motherboards boast advanced cooling solutions, but they differ in design and capability. The MSI MAG B850 TOMAHAWK MAX WIFI incorporates 7W/mK MOSFET thermal pads and an extended heatsink, aiming to maintain optimal temperatures during operation. Conversely, the MSI MAG Z790 TOMAHAWK WIFI offers a similar cooling strategy but adds a dedicated pump-fan cooling header and a 6-layer server-grade PCB with 2 oz. thickened copper. This results in potentially better cooling efficiency, making the Z790 more suitable for overclocking scenarios where heat management is critical.
Memory Support
When it comes to memory, both motherboards support DDR5 technology, but the MSI MAG B850 TOMAHAWK MAX WIFI provides an impressive memory speed potential of 8400+ MT/s with its four DDR5 DIMM SMT slots. In contrast, the MSI MAG Z790 TOMAHAWK WIFI supports speeds of up to 7200+ MHz with its four DDR5 DIMM slots, enhanced by Memory Boost isolated circuitry. While both options support high-speed memory, the B850 offers slightly higher overclocking potential, which could appeal to users looking to maximise performance.
Storage Options
The MSI MAG B850 TOMAHAWK MAX WIFI boasts a versatile storage configuration with four M.2 connectors, including two M.2 Gen5 x4 slots, which can reach speeds of 128Gbps, and one M.2 Gen4 x4 slot. In comparison, the MSI MAG Z790 TOMAHAWK WIFI also features four M.2 connectors but only includes M.2 Gen4 x4 slots, with speeds capped at 64Gbps. This means that while both motherboards offer ample storage options, the B850 has an edge regarding the latest M.2 technology and faster potential speeds.
Connectivity Features
In terms of connectivity, the MSI MAG B850 TOMAHAWK MAX WIFI includes a full-speed Wi-Fi 7 module, Bluetooth 5.4, and a 5Gbps LAN connection, providing cutting-edge wireless capabilities. The MSI MAG Z790 TOMAHAWK WIFI, however, features Wi-Fi 6E, Bluetooth 5.3, and a 2.5Gbps LAN connection. While both motherboards offer strong connectivity solutions, the B850 has the advantage with Wi-Fi 7, which presents a better future-proofing option for users looking for the latest in wireless technology.
Price Consideration
The MSI MAG B850 TOMAHAWK MAX WIFI is priced at £208.99, while the MSI MAG Z790 TOMAHAWK WIFI is more economical at £184.99. This price difference highlights the B850's additional features and support for the latest Ryzen processors. However, if budget is a crucial factor, the Z790 presents a compelling option with its solid performance at a lower price. This makes it an attractive choice for users who want high-quality performance without breaking the bank.
Which should you buy?
Choosing between the MSI MAG B850 TOMAHAWK MAX WIFI and the MSI MAG Z790 TOMAHAWK WIFI largely depends on your specific needs and hardware preferences. If you're building a system around the latest AMD Ryzen processors and require advanced M.2 support with Wi-Fi 7 capabilities, the B850 is the better choice. However, for those who favour Intel's latest CPUs and are looking for a robust motherboard at a lower price, the Z790 is an excellent option. Ultimately, consider your processor choice, cooling needs, and whether the advanced connectivity features of the B850 justify its higher price.
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