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ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 vs GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX

Updated August 2026 — ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 wins on ai support, GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX wins on thermals and power design.

The ASUS ROG STRIX B860-I GAMING WIFI excels in advanced features and compact design, while the GIGABYTE Z790 AORUS Elite AX offers better value for budget-conscious gamers. Overall, the GIGABYTE model is the better choice for most users.

Why ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 is better

Advanced AI

Features advanced AI technologies for enhanced performance.

Compact Size

Mini-ITX form factor ideal for small builds.

Thunderbolt 4

Includes Thunderbolt 4 for versatile connectivity.

Why GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX is better

Price

More affordable option at $189.99.

Power Efficiency

Better power phase design for overclocking.

Expansion Slots

More expansion slots available in ATX form factor.

Overall score

ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851
85
GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX
88

Specifications

SpecASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX
SocketLGA 1851LGA 1700
DDR SupportDDR5DDR5
WiFiWiFi 7WiFi 6E
Power Phases10+1+2+116+1+2
M.2 Slots14

Dimension comparison

ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851GIGABYTE Z790 AORUS Elite AX LGA 1700 ATX

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

The ASUS ROG STRIX B860-I GAMING WIFI is priced at $207.99, while the GIGABYTE Z790 AORUS Elite AX is slightly cheaper at $189.99, making it about 8.66% more affordable. Both motherboards cater to gamers and PC builders looking for high performance, but they target different segments within the Intel processor ecosystem. The ASUS motherboard supports the Intel LGA 1851 socket, ready for Intel Core Ultra processors, while the GIGABYTE model supports the LGA 1700 socket, compatible with the 12th, 13th, and 14th generation Intel Core processors.

Power Delivery and Thermal Management

When it comes to power delivery, the ASUS ROG STRIX B860-I GAMING WIFI features a robust power solution with a 10(80A)+1(80A)+2(80A)+1(80A) design, which is designed to handle demanding gaming and AI applications. On the other hand, the GIGABYTE Z790 AORUS Elite AX adopts a slightly different approach with its 16+1+2 power phase design that includes a 70A power stage. This gives the GIGABYTE board an edge in power efficiency, especially for overclocking scenarios. Both motherboards have advanced thermal designs, but the GIGABYTE model emphasizes M.2 Thermal Guard III and fully covered MOSFET heatsinks to ensure that temperatures remain manageable during intense gaming sessions.

Connectivity Options

The ASUS ROG STRIX B860-I GAMING WIFI is equipped with next-gen connectivity features including WiFi 7, which provides faster wireless speeds and improved network reliability. It also includes Thunderbolt™ 4 and multiple USB Type-C® ports, making it a highly versatile choice for future-proofing your build. In contrast, the GIGABYTE Z790 AORUS Elite AX offers solid connectivity with WiFi 6E and four PCIe 4.0 x4 M.2 slots. While both motherboards support high-speed connectivity, the advanced features on the ASUS model give it an advantage for users who prioritize the latest wireless technology.

Memory Support and Expansion

The ASUS ROG STRIX B860-I GAMING WIFI supports DDR5 memory, which is essential for maximizing performance in modern gaming and productivity tasks. It utilizes ASUS-exclusive AI and memory technologies to enhance user experience and performance optimization. The GIGABYTE Z790 AORUS Elite AX also supports DDR5 and includes four SMD DIMMs with XMP 3.0 Memory Module support, allowing for easy overclocking. However, the ASUS model offers additional features like ASUS AI Advisor and DIMM Fit to simplify setup, which can be particularly beneficial for those who may not be as technically inclined.

Form Factor and Build Quality

The ASUS ROG STRIX B860-I GAMING WIFI is a Mini-ITX motherboard, which makes it ideal for compact builds without sacrificing performance. Its optimized thermal design, with massive heatsinks and high-conductivity thermal pads, ensures that it remains cool even in tight spaces. Conversely, the GIGABYTE Z790 AORUS Elite AX is an ATX motherboard, providing more room for expansion slots and additional components. Its six-layer PCB and PCIe Ultra Durable Armor contribute to a robust build quality, making it suitable for larger setups where space isn't as much of a concern.

Target Audience

The ASUS ROG STRIX B860-I GAMING WIFI is designed with advanced AI computing in mind, making it an excellent choice for gamers and content creators who want to leverage the latest technologies. Its compact size and advanced features make it ideal for high-performance Mini-ITX builds. The GIGABYTE Z790 AORUS Elite AX, however, aims at gamers looking for a traditional ATX form factor with ample expansion capabilities. Its support for multiple generations of Intel processors makes it versatile for users who may not be ready to upgrade to the latest generation immediately.

Price Comparison

The ASUS ROG STRIX B860-I GAMING WIFI is priced at $207.99, making it the more expensive option compared to the GIGABYTE Z790 AORUS Elite AX at $189.99. This price difference of about $18 gives the GIGABYTE model a notable edge for budget-conscious buyers, especially considering the robust features it offers. While both motherboards deliver excellent value for their respective markets, the GIGABYTE model's price point may appeal more to those looking to maximize features while minimizing costs.

Which should you buy?

Choosing between the ASUS ROG STRIX B860-I GAMING WIFI and the GIGABYTE Z790 AORUS Elite AX ultimately depends on your specific needs. If you are looking for cutting-edge technology, advanced AI capabilities, and are building a compact Mini-ITX system, the ASUS model is the way to go. However, if you prefer a more traditional ATX layout with excellent power delivery and a slightly lower price, the GIGABYTE motherboard offers outstanding value, especially for users planning to utilize Intel's 12th to 14th generation processors. Consider your preferences in form factor, budget, and intended usage to make the best choice for your build.