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ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini vs MSI MAG B850M Mortar WiFi Motherboard, mATX

Updated August 2026 — ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini wins on memory speed and power phase, MSI MAG B850M Mortar WiFi Motherboard, mATX wins on connectivity and price.

The ASRock motherboard excels in memory speed and performance, while the MSI offers better connectivity and cooling solutions. Choose based on your processor preference.

Why ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini is better

Memory Speed

Supports up to 9466 MHz

Power Phase

12+1+1+1+1 power phase design

Brand Reputation

ASRock is known for high-performance motherboards

Why MSI MAG B850M Mortar WiFi Motherboard, mATX is better

Price

MSI is $30 cheaper

Cooling Features

FROZR GUARD technology for better thermal management

Connectivity

Includes Wi-Fi 7 and Bluetooth 5.4

Overall score

ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini
88
MSI MAG B850M Mortar WiFi Motherboard, mATX
80

Specifications

SpecASRock Intel Core Ultra Z890 LGA1851 RL-ILM MiniMSI MAG B850M Mortar WiFi Motherboard, mATX
Processor SupportIntel Core UltraAMD Ryzen 9000/8000/7000
Memory Slots2 DIMM4 DIMM
Max Memory Speed9466 MHz8200 MT/s
VRM Design12+1+1+1+112 Duet Rail
Wi-FiNoWi-Fi 7

Dimension comparison

ASRock Intel Core Ultra Z890 LGA1851 RL-ILM MiniMSI MAG B850M Mortar WiFi Motherboard, mATX

Overview of the Motherboards

When comparing the ASRock Intel Core Ultra Z890 LGA1851 and the MSI MAG B850M Mortar WiFi motherboards, it's essential to note their distinct compatibilities and features. The ASRock motherboard is tailored for Intel Core Ultra processors, while the MSI board supports AMD Ryzen 9000, 8000, and 7000 processors. The price difference is also notable, with the ASRock priced at $249.99 and the MSI at $219.99, making the MSI about 12% cheaper.

Performance Capabilities

The ASRock motherboard boasts a robust 12+1+1+1+1 power phase design with a 110A SPS for VCore, optimized for stability and efficiency. It supports memory speeds of up to 9466 MHz, providing exceptional performance for high-demand applications. In contrast, the MSI MAG B850M features a 12 Duet Rail Power System with a 60A SPS VRM, enabling it to handle the latest Ryzen processors effectively. While both motherboards offer impressive power capabilities, the ASRock edges out in terms of maximum memory speed, appealing to users seeking top-tier performance.

Connectivity Options

Connectivity is a critical factor for modern motherboards. The ASRock supports an array of graphics output options including 1 HDMI and 2 Thunderbolt 4 Type-C ports, enhancing versatility for different setups. On the other hand, the MSI board offers a full-speed Wi-Fi 7 module, Bluetooth 5.4, and 5Gbps LAN, ensuring cutting-edge network performance. The MSI also provides USB 20G Type-C connectivity and 7.1 USB High Performance Audio, making it a comprehensive choice for gamers and content creators who require robust connectivity.

Memory Support

The ASRock motherboard supports dual-channel DDR5 memory with two DIMM slots, accommodating memory speeds up to 9466 MHz through overclocking. This feature caters to enthusiasts who prioritize high-speed memory performance. The MSI MAG B850M, while slightly lower in maximum supported memory speed, still offers impressive performance with its four DIMM slots supporting DDR5 memory speeds exceeding 8200 MT/s when overclocked. Both motherboards allow for substantial memory capacity, but the ASRock's higher speed capability may be more attractive to advanced users.

Cooling Solutions

Effective cooling solutions are paramount for high-performance systems. The ASRock motherboard includes features like BIOS Flashback and Memory OC Shield, aimed at maintaining optimal temperatures during intense workloads. The MSI MAG B850M, however, takes cooling a step further with its FROZR GUARD technology, which includes premium thermal pads and a comprehensive heatsink design. This ensures that even under heavy loads, the MSI board maintains stable temperatures, appealing to gamers who push their systems to the limit.

Build Quality and Design

The build quality and design of a motherboard can greatly influence its longevity and reliability. The ASRock Intel Core Ultra Z890 is noted for its streamlined style, combining aesthetics with functionality. The MSI MAG B850M Mortar, built with durable 8-layer PCBs and PCIe Steel Armor II, emphasizes stability and durability, essential for high-performance gaming. While both motherboards showcase quality designs, the MSI's focus on robustness may appeal to users concerned about long-term performance under duress.

Price Point Considerations

Price is often a decisive factor for consumers. The ASRock motherboard is priced at $249.99, while the MSI comes in at $219.99, making the MSI approximately 12% more affordable. This price difference may influence budget-conscious buyers who still seek high performance, especially in competitive gaming environments. Although both motherboards offer distinct advantages, the lower price of the MSI could make it a more attractive option for many users.

Which should you buy?

In conclusion, the choice between the ASRock Intel Core Ultra Z890 and the MSI MAG B850M Mortar WiFi comes down to specific needs and preferences. The ASRock motherboard excels in maximum memory speed and is ideal for those using Intel Core Ultra processors. Meanwhile, the MSI board offers extensive connectivity options and superior cooling solutions, making it a solid choice for gamers using AMD Ryzen processors. Ultimately, for users prioritizing budget and broad connectivity, the MSI MAG B850M Mortar is the more appealing option, while the ASRock is suited for those seeking peak performance with Intel processors.