ASRock B850M-X WiFi R2.0 AM5 Micro-ATX vs ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini
Updated August 2026 — ASRock B850M-X WiFi R2.0 AM5 Micro-ATX wins on size and compatibility, ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini wins on price and connectivity.
The ASRock Intel Core Ultra Z890 offers superior performance and features, making it the better choice for high-end users, while the B850M-X WiFi is a budget-friendly option.
Why ASRock B850M-X WiFi R2.0 AM5 Micro-ATX is better
Price
B850M-X WiFi is significantly cheaper.
Form Factor
Micro-ATX offers more expansion options.
Compatibility
Supports a wider range of AMD processors.
Why ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini is better
Memory Speed
Z890 supports higher DDR5 speeds.
Power Design
Z890 has a superior power phase configuration.
Connectivity
Z890 includes Thunderbolt 4 ports.
Overall score
Specifications
| Spec | ASRock B850M-X WiFi R2.0 AM5 Micro-ATX | ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini |
|---|---|---|
| Supported CPUs | AMD Ryzen 9000/8000/7000 | Intel Core Ultra |
| Memory Support | DDR5 8200+ | DDR5 9466+ |
| Power Phase | 6+1+1 | 12+1+1+1+1 |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 7 |
| Audio Codec | Realtek ALC897 | HD Audio |
Dimension comparison
Overview of the Products
In this comparison, we look at the ASRock B850M-X WiFi R2.0 AM5 Micro-ATX Motherboard and the ASRock Intel Core Ultra Z890 LGA1851 Mini ITX Motherboard. The B850M-X WiFi is priced at $129.99, making it about 48% cheaper than the Z890, which costs $249.99. Each motherboard is designed for different CPU architectures, highlighting their unique features and target audiences.
Supported Processors
The ASRock B850M-X WiFi R2.0 supports AMD Ryzen 9000, 8000, and 7000 series processors, providing a versatile option for users invested in AMD's ecosystem. On the other hand, the ASRock Intel Core Ultra Z890 is compatible with Intel Core Ultra Processors (Series 2). This distinction is crucial for consumers as it dictates the choice of CPU and, subsequently, the overall performance of the system. Users must consider their existing hardware or future upgrade plans when selecting between these two motherboards.
Memory Support
When it comes to memory capabilities, the ASRock B850M-X WiFi supports up to 8200+ MHz (overclocked) DDR5 RAM across two DIMMs, which is suitable for most gaming and productivity needs. In contrast, the ASRock Intel Core Ultra Z890 takes it a step further, allowing for DDR5 memory speeds up to 9466+ MHz, also utilizing two DIMMs. This higher memory speed can enhance performance in memory-intensive tasks, making the Z890 a better choice for users focused on high-end applications or gaming.
Power Design
The power design of a motherboard can significantly impact its stability and performance. The ASRock B850M-X WiFi features a 6+1+1 phase power design with Dr.MOS for VCore, ensuring reliable power delivery for its supported processors. Meanwhile, the ASRock Intel Core Ultra Z890 sports a more robust 12+1+1+1+1 power phase configuration with a 110A SPS for VCore. This superior power design in the Z890 suggests it could handle higher performance CPUs and overclocking more efficiently.
Connectivity Options
Connectivity can greatly influence the overall usability of a motherboard. The ASRock B850M-X WiFi comes equipped with Wi-Fi 6E, Bluetooth, and a variety of USB ports including USB-C, allowing for modern connectivity needs. Additionally, it features 2.5G LAN for high-speed wired connections. In contrast, the ASRock Intel Core Ultra Z890 offers even more advanced connectivity with two Thunderbolt 4 Type-C ports, which can support higher data transfer speeds and versatile device connections, making it more future-proof for users who require cutting-edge technology.
Audio and Graphics Output
Audio and graphics capabilities vary between the two motherboards. The ASRock B850M-X WiFi includes Realtek ALC897 7.1 channel HD audio codec and has one HDMI and one DisplayPort output, catering to gaming and multimedia needs. Conversely, the ASRock Intel Core Ultra Z890 also provides one HDMI output but focuses on Thunderbolt connections, allowing for high-quality audio and video transfer. Users who prioritize superior audio and advanced display options may find the Z890 more appealing.
Size and Form Factor
The form factor can affect the build and compatibility of the system. The ASRock B850M-X WiFi is a Micro-ATX motherboard, which typically offers more expansion slots and better compatibility with larger cases. In contrast, the ASRock Intel Core Ultra Z890 is a Mini ITX motherboard, designed for compact builds. While the Mini ITX's size can be advantageous for space-saving setups, it may limit expansion options compared to the larger Micro-ATX form factor.
Price Comparison
The price difference between these two motherboards is significant, with the ASRock B850M-X WiFi at $129.99 and the ASRock Intel Core Ultra Z890 at $249.99. This makes the B850M-X WiFi approximately 48% cheaper than the Z890. Consumers on a budget or those building a more basic system may find the B850M-X WiFi more appealing. However, the Z890 justifies its higher price with advanced features and capabilities, appealing to enthusiasts and high-performance users.
Which should you buy?
Choosing between the ASRock B850M-X WiFi and the ASRock Intel Core Ultra Z890 ultimately depends on your specific needs and budget. If you're looking for a cost-effective solution for AMD processors and don't require the highest memory speeds or advanced connectivity options, the B850M-X WiFi is a solid choice. However, if you need superior power delivery, higher memory speeds, and the latest connectivity options, the ASRock Intel Core Ultra Z890 is worth the investment. Your decision should align with your intended use case, whether that's casual computing or high-end gaming and productivity.