ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini vs GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,
Updated August 2026 — GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, leads on price and performance.
The GIGABYTE Z790 UD AC offers better value and versatility, making it the preferred choice for budget-conscious users.
Why ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini is better
Compact Size
Mini ITX form factor is ideal for small builds.
High Memory Speed
Supports DDR5 up to 9466 MHz.
Stability Features
Includes BIOS Flashback and Memory OC Shield.
Why GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, is better
Price
GIGABYTE is $100 cheaper.
Processor Compatibility
Supports 14th, 13th, and 12th Gen Intel CPUs.
Connectivity
Offers PCIe 5.0 and USB-C 3.2 Gen 2x2.
Overall score
Specifications
| Spec | ASRock Intel Core Ultra Z890 LGA1851 RL-ILM Mini | GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, |
|---|---|---|
| Socket | LGA1851 | LGA1700 |
| Max Memory | 128 GB | 64 GB |
| M.2 Slots | 2 | 3 |
| WiFi | No | Yes |
| Power Delivery | 12+1+1+1+1 | 16+1+1 |
Dimension comparison
Overview of the ASRock Intel Core Ultra Z890 and GIGABYTE Z790 UD AC
The ASRock Intel Core Ultra Z890 is priced at $249.99, while the GIGABYTE Z790 UD AC offers a more budget-friendly option at $149.99. This price difference of $100 makes the GIGABYTE board about 40% cheaper than the ASRock model. Both motherboards are designed for high-performance computing, but their target audiences and capabilities vary significantly.
Design and Build Quality
The ASRock Intel Core Ultra Z890 features a Mini ITX form factor, which is ideal for compact builds while maintaining high performance. It boasts a 12+1+1+1+1 Power Phase design with a 110A SPS for VCore, ensuring stability during intensive tasks. In contrast, the GIGABYTE Z790 UD AC adopts an ATX form factor, providing a larger surface area for additional components. It has a sturdy 16+1+1 power phase setup, which utilizes 60A DrMOS for efficient power delivery. The GIGABYTE board's comprehensive thermal design, including fully covered MOSFET heatsinks, emphasizes durability, while the ASRock focuses on a streamlined style suited for everyday computing tasks.
Compatibility and Support
The ASRock motherboard is designed to support Intel Core Ultra processors with the LGA1851 socket, which is part of the latest generation of Intel chips. This allows for cutting-edge performance in gaming and productivity. On the other hand, the GIGABYTE Z790 UD AC supports a wider range of Intel processors, including the 14th, 13th, and 12th generations using the LGA 1700 socket. This versatility makes the GIGABYTE board a more attractive option for users looking to upgrade to a different generation without changing their motherboard.
Memory and Storage Options
The ASRock Intel Core Ultra Z890 supports up to 128 GB of DDR5 memory across two DIMMs, with speeds reaching 9466 MHz when overclocked. This capability is particularly appealing for users who require extensive multitasking and high-speed memory performance. The GIGABYTE Z790 UD AC, while supporting dual-channel DDR5, can accommodate four DIMMs, offering greater flexibility in memory expansion. Its design allows for three M.2 slots, utilizing PCIe 5.0 technology, which enhances storage speed and capacity compared to the ASRock's configuration.
Connectivity Features
In terms of connectivity, the ASRock model includes one HDMI port and two Thunderbolt 4 Type-C ports, catering to users who prioritize high-speed connections for peripherals. The GIGABYTE Z790 UD AC excels with its next-gen connectivity features, including PCIe 5.0, USB-C 3.2 Gen 2x2, and dual-band WiFi capabilities. This motherboard provides comprehensive options for modern devices, making it a good choice for gamers and content creators who require fast data transfer rates and reliable network connections.
User Experience and Features
The ASRock motherboard is optimized for stability, durability, and efficiency, making it suitable for everyday computing tasks. It includes features like BIOS Flashback and Memory OC Shield, which simplify the user experience. Conversely, the GIGABYTE Z790 UD AC emphasizes gaming with features such as RGB Fusion, EZ-Latch for easier hardware installation, and advanced thermal management. This focus on gaming aesthetics and functionality may attract users who are looking for both performance and visual appeal in their builds.
Price Comparison
The price difference between the two motherboards is significant, with the ASRock Intel Core Ultra Z890 retailing at $249.99 and the GIGABYTE Z790 UD AC at $149.99. This makes the GIGABYTE board about 40% cheaper than its ASRock counterpart. Given the features and performance offered by both boards, the lower price of the GIGABYTE model provides excellent value, especially for budget-conscious consumers.
Which should you buy?
Choosing between the ASRock Intel Core Ultra Z890 and the GIGABYTE Z790 UD AC ultimately depends on your specific needs. If you are focused on the latest Intel Core Ultra processors and require high memory speeds in a compact form factor, the ASRock motherboard is a solid choice. However, if you're seeking a more versatile, budget-friendly option with broader compatibility and enhanced connectivity features, the GIGABYTE Z790 UD AC stands out as the better value at $149.99, especially for gamers and those looking to maximize their performance without breaking the bank.