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ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboard vs GIGABYTE Z790 Eagle AX LGA 1700 Intel Z790 ATX Motherboard with DDR5

Updated August 2026The ASUS ROG STRIX B860-I GAMING WIFI offers superior features and performance, making it the better choice for high-end users, while the GIGABYTE Z790 Eagle AX is a solid budget option.

The ASUS ROG STRIX B860-I GAMING WIFI offers superior features and performance, making it the better choice for high-end users, while the GIGABYTE Z790 Eagle AX is a solid budget option.

Why ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboard is better

Power Delivery

ASUS has a more robust power solution with 10+1+2+1 stages.

Connectivity

ASUS includes Thunderbolt 4 support.

Networking

ASUS supports Wi-Fi 7 for superior wireless performance.

Why GIGABYTE Z790 Eagle AX LGA 1700 Intel Z790 ATX Motherboard with DDR5 is better

Price

GIGABYTE is more affordable at C$249.99.

Socket Compatibility

GIGABYTE supports 13th and 14th Gen Intel processors.

Memory Slots

GIGABYTE has 4 DIMM slots for memory.

Overall score

ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboard
88
GIGABYTE Z790 Eagle AX LGA 1700 Intel Z790 ATX Motherboard with DDR5
75

Specifications

SpecASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboardGIGABYTE Z790 Eagle AX LGA 1700 Intel Z790 ATX Motherboard with DDR5
BrandAsusGIGABYTE
Form FactormITXATX
Wi-Fi VersionWi-Fi 7Not specified
USB PortsThunderbolt 4, USB 20Gbps, 2x USB 10GbpsUSB 3.2 Gen 2x2 Type-C
Memory TechAEMP IIIDual Channel DDR5

Dimension comparison

ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboardGIGABYTE Z790 Eagle AX LGA 1700 Intel Z790 ATX Motherboard with DDR5

Overview of the ASUS ROG STRIX B860-I GAMING WIFI and GIGABYTE Z790 Eagle AX

In this comparison, we will evaluate the ASUS ROG STRIX B860-I GAMING WIFI and the GIGABYTE Z790 Eagle AX motherboards. The ASUS ROG STRIX B860-I is priced at C$294.98, while the GIGABYTE Z790 Eagle AX is slightly more affordable at C$249.99. Both motherboards cater to different segments of the market, with distinct features designed to meet various computing needs.

Performance and Power Solutions

The ASUS ROG STRIX B860-I boasts a robust power solution, featuring 10(80A)+1(80A)+2(80A)+1(80A) power stages. This configuration ensures stable and efficient power delivery, especially for high-demand applications and gaming. Conversely, the GIGABYTE Z790 Eagle AX employs a twin 12+1+1 phases digital VRM solution, which, while sturdy, offers less power staging compared to the ASUS board. This difference could impact performance, particularly in scenarios requiring significant power, such as overclocking or running intensive applications.

Socket Compatibility

Socket compatibility is essential for processor support, and here the two motherboards differ significantly. The ASUS ROG STRIX B860-I utilises the Intel LGA 1851 socket, positioning it for Intel's upcoming Core Ultra processors (Series 2). In contrast, the GIGABYTE Z790 Eagle AX supports the LGA 1700 socket, which is compatible with the 13th and 14th Gen Intel Core series. This means that users looking for the latest processor technology may find the ASUS motherboard more appealing.

Memory Support and Configuration

When it comes to memory support, both motherboards are designed to accommodate DDR5, a next-gen memory standard. The ASUS ROG STRIX B860-I supports DDR5 with its advanced memory technologies, including AEMP III for optimal performance. On the other hand, the GIGABYTE Z790 Eagle AX also supports dual-channel DDR5 with four DIMM slots, allowing for flexible memory configurations. While both options are robust, the ASUS board's additional memory technologies may provide an edge in optimisation.

Thermal Management

Thermal management is critical for maintaining performance and longevity in high-performance builds. The ASUS ROG STRIX B860-I features a sophisticated thermal design with massive heatsinks, integrated I/O cover, and high-conductivity thermal pads. It also includes a large heatsink for one of its two PCIe 5.0 M.2 slots, enhancing cooling for storage solutions. In comparison, the GIGABYTE Z790 Eagle AX incorporates an advanced thermal design with enlarged MOSFET heatsinks and an M.2 thermal guard. While both boards offer good thermal management, the ASUS motherboard's comprehensive approach may yield better cooling performance under load.

Connectivity Options

Connectivity is another crucial aspect where these motherboards shine. The ASUS ROG STRIX B860-I provides a wealth of connectivity options, including one Thunderbolt 4 USB Type-C port, one USB 20Gbps connector, and two USB 10Gbps ports. It also supports PCIe 5.0 x16 SafeSlot for next-gen graphics cards. In contrast, the GIGABYTE Z790 Eagle AX features PCIe 5.0, NVMe M.2, and USB 3.2 Gen 2x2 Type-C, ensuring that it also delivers excellent connectivity. However, the additional Thunderbolt 4 support on the ASUS board may be a deciding factor for users seeking the latest in data transfer technology.

Networking Capabilities

In terms of networking, the ASUS ROG STRIX B860-I excels with Wi-Fi 7 (802.11be) support and an Intel 2.5 Gb Ethernet port, offering superior wireless performance and speed. Meanwhile, the GIGABYTE Z790 Eagle AX does not specify its networking capabilities in detail, but its inclusion of modern Ethernet technology is expected. The ASUS board's advanced Wi-Fi capabilities position it well for users prioritising high-speed internet and seamless online gaming experiences.

DIY-Friendly Features

For builders who value ease of installation and customisation, both motherboards provide user-friendly features. The ASUS ROG STRIX B860-I is designed with several DIY-friendly elements, including PCIe Slot Q-Release Slim and BIOS Q-Dashboard, which simplify the building process. The GIGABYTE Z790 Eagle AX also includes features that facilitate assembly, but its specifications do not highlight as many unique DIY elements. The ASUS board may offer a more integrated experience for those new to PC building.

Which should you buy?

Choosing between the ASUS ROG STRIX B860-I GAMING WIFI and the GIGABYTE Z790 Eagle AX ultimately depends on your specific needs and budget. The ASUS motherboard, priced at C$294.98, provides advanced features such as superior power delivery, cutting-edge connectivity options, and support for the latest processors, making it an attractive choice for high-performance gaming and AI applications. Conversely, the GIGABYTE Z790 Eagle AX, at C$249.99, offers solid performance and compatibility with a slightly older generation of processors, making it a more budget-friendly option for users who do not require the absolute latest technology. If future-proofing and top-tier performance are your priorities, the ASUS ROG STRIX B860-I is the recommended option. However, for those seeking a reliable and cost-effective motherboard, the GIGABYTE Z790 Eagle AX remains an excellent choice.

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ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboard vs GIGABYTE Z790 Eagle AX LGA 1700 Intel Z790 ATX Motherboard with DDR5 | versusfinder