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ASRock B850M-X WiFi R2.0 AM5 Micro-ATX vs GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,

Updated August 2026 — GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, leads on build quality and connectivity.

The ASRock B850M-X offers great value for budget-conscious users, while the GIGABYTE Z790 UD AC excels in power delivery and connectivity.

Why ASRock B850M-X WiFi R2.0 AM5 Micro-ATX is better

Price

ASRock is $20 cheaper.

Compact Size

Micro-ATX form factor is suitable for smaller cases.

Overclocking

Supports DDR5 up to 8200+ (OC).

Why GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, is better

Power Delivery

16+1+1 phase design provides better stability.

Connectivity

Triple NVMe M.2 slots for extensive storage options.

Thermal Management

Comprehensive thermal design enhances durability.

Overall score

ASRock B850M-X WiFi R2.0 AM5 Micro-ATX
78
GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,
85

Specifications

SpecASRock B850M-X WiFi R2.0 AM5 Micro-ATXGIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,
SocketAM5LGA 1700
DDR5 Support8200+ (OC)Dual Channel
M.2 Slots13
Wi-Fi6EDual Band
Audio CodecRealtek ALC897High-Quality

Dimension comparison

ASRock B850M-X WiFi R2.0 AM5 Micro-ATXGIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,

Overview of the ASRock B850M-X WiFi R2.0

The ASRock B850M-X WiFi R2.0 is priced at $129.99, making it a budget-friendly option for users looking to build a system with AMD's Ryzen processors. This motherboard supports the latest Ryzen 9000, 8000, and 7000 series CPUs, ensuring compatibility with high-performance components.

Equipped with advanced features such as support for DDR5 memory up to 8200+ (OC), PCIe 5.0 slots, and Wi-Fi 6E, the B850M-X offers robust connectivity options. Its micro-ATX form factor is compact, making it suitable for smaller cases while still providing ample features for gaming and productivity tasks.

Overview of the GIGABYTE Z790 UD AC

The GIGABYTE Z790 UD AC is priced at $149.99, positioning it as a mid-range option for users interested in Intel's latest processors. This motherboard supports Intel's 14th, 13th, and 12th generation Core CPUs, providing a versatile platform for various system builds.

With its dual-channel DDR5 compatibility and a powerful 16+1+1 power phase design, the Z790 UD AC is well-suited for high-performance applications. Additionally, it features PCIe 5.0 and multiple M.2 slots, ensuring fast data transfer speeds and ample storage options, making it an excellent choice for gamers and content creators alike.

Performance and Power Delivery

When it comes to performance, the GIGABYTE Z790 UD AC boasts a 16+1+1 power phase design with 60A DrMOS, which can provide more stable power delivery compared to the ASRock B850M-X's 6+1+1 phase power design. This difference can translate into improved overclocking potential and overall system stability during demanding tasks.

While both motherboards support advanced DDR5 memory, the ASRock allows for overclocking up to 8200+, giving it a slight edge for users looking to maximize memory performance. However, the GIGABYTE's sturdier power delivery system may be more beneficial for users aiming to push their Intel processors to their limits.

Connectivity Options

The ASRock B850M-X WiFi R2.0 offers a robust selection of connectivity options, including USB 3.2 Gen1 Type-C and 2.5G LAN with Wi-Fi 6E, which ensures high-speed internet connectivity and fast data transfer rates. This makes it an attractive option for users who prioritize modern connectivity features in their builds.

Conversely, the GIGABYTE Z790 UD AC provides comprehensive connectivity with its triple NVMe PCIe 4.0 x4 M.2 slots and USB 3.2 Gen 2x2 Type-C ports. This superior M.2 support offers greater flexibility for high-speed storage solutions, which can be a significant advantage for users requiring fast load times and efficient data management.

Gaming and Audio Features

Both motherboards cater effectively to gamers, but they do so in different ways. The ASRock B850M-X includes Realtek ALC897 7.1 CH HD audio codec, which provides a decent audio experience for gaming. The addition of Nahimic Audio enhances the sound quality, offering gamers a more immersive experience.

On the other hand, the GIGABYTE Z790 UD AC emphasizes its gaming capabilities with comprehensive thermal designs and ultra-durable armor, ensuring stability during intense gaming sessions. While both boards support high-performance gaming, the GIGABYTE's additional thermal management features may better serve enthusiasts pushing their systems to extreme performance levels.

Build Quality and Design

In terms of build quality, the GIGABYTE Z790 UD AC features fully covered MOSFET heatsinks and an ultra-durable 6-layer PCB, which enhances its durability and thermal management. This could be particularly important for users who plan to run their systems under heavy loads or overclock their CPUs.

The ASRock B850M-X, while also well-constructed, does not provide the same level of thermal management features. The micro-ATX form factor contributes to a more compact design, which can be advantageous for smaller builds, but may limit airflow compared to the larger ATX design of the GIGABYTE.

Price Comparison

The ASRock B850M-X WiFi R2.0 is priced at $129.99, which is about 17% cheaper than the GIGABYTE Z790 UD AC at $149.99. This price difference makes the ASRock an attractive option for budget-conscious users who still want modern features and solid performance.

However, the GIGABYTE Z790 UD AC justifies its higher price with superior power delivery, extensive connectivity options, and enhanced thermal management features. For users willing to invest a bit more, the GIGABYTE offers additional value that could enhance overall system performance.

Which should you buy?

Choosing between the ASRock B850M-X WiFi R2.0 and the GIGABYTE Z790 UD AC depends largely on your specific needs and budget. If you're looking for a more affordable motherboard that still supports high-performance AMD processors, the ASRock B850M-X is a great choice. Its compact design and modern features make it suitable for a wide range of builds.

However, if you’re an Intel user seeking a robust and powerful motherboard with superior power delivery and connectivity options, the GIGABYTE Z790 UD AC may be worth the extra investment. Its advanced thermal management and extensive compatibility with Intel's latest CPUs position it as a strong contender for high-performance gaming and productivity tasks.