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GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, vs MACHINIST X99 LGA 2011-V3 Motherboard Support

Updated August 2026 — GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, wins on connectivity and aesthetics, MACHINIST X99 LGA 2011-V3 Motherboard Support wins on price.

The GIGABYTE Z790 UD AC offers superior performance and features compared to the MACHINIST X99, making it the better choice for high-end users.

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

Memory Type

Supports faster DDR5 memory

Power Design

16+1+1 power phase for better stability

Connectivity

Includes PCIe 5.0 for future-proofing

Why MACHINIST X99 LGA 2011-V3 Motherboard Support is better

Price

More budget-friendly option

Basic Features

Adequate for older Intel processors

Form Factor

M-ATX size for compact builds

Overall score

GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,
85
MACHINIST X99 LGA 2011-V3 Motherboard Support
70

Specifications

SpecGIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,MACHINIST X99 LGA 2011-V3 Motherboard Support
SocketLGA 1700LGA 2011-V3
Memory SupportDDR5DDR4
Power Phases16+1+16-phase
PCIe Version5.03.0
M.2 Slots33

Dimension comparison

GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,MACHINIST X99 LGA 2011-V3 Motherboard Support

Overview of GIGABYTE Z790 UD AC

The GIGABYTE Z790 UD AC is a powerful ATX motherboard designed to support Intel Core processors from the 12th to the 14th generation. With a price tag of $149.99, it offers advanced features that cater to gamers and power users alike. This motherboard supports Dual Channel DDR5 memory, which enhances performance with up to 4 DIMMs, and is equipped with a robust 16+1+1 power phase design, ensuring stable power delivery during intensive tasks.

The motherboard’s comprehensive thermal design includes fully covered MOSFET heatsinks and a dedicated M.2 thermal guard, maximizing cooling efficiency. Additionally, it features next-generation connectivity options such as PCIe 5.0 and triple NVMe PCIe 4.0 x4 M.2 slots, making it ideal for high-speed storage solutions. The GIGABYTE Z790 UD AC is not just functional; it also includes RGB Fusion for customizable aesthetics, appealing to those who value both performance and style.

Overview of MACHINIST X99

The MACHINIST X99 LGA 2011-V3 motherboard is priced at $76.99, making it a budget-friendly option for users looking to support Intel Xeon E5 V3/V4 and Core i7 5th and 6th generation processors. This M-ATX motherboard allows for 4-channel DDR4 memory support, with a maximum capacity of 128GB, catering to users who require significant memory bandwidth for demanding applications.

This motherboard is equipped with multiple interfaces, including three NVMe M.2 slots and various PCIe slots, enhancing its versatility for different configurations. The presence of a VRM cooling fan and heat dissipation armor ensures stable performance, especially under heavy workloads. While it may not offer the same level of advanced features as the GIGABYTE Z790 UD AC, it serves as a solid foundation for workstation setups or budget gaming rigs.

Performance Comparison

When it comes to performance, the GIGABYTE Z790 UD AC stands out with its support for DDR5 memory technology, which provides higher bandwidth compared to the DDR4 support in the MACHINIST X99. This difference can significantly impact tasks such as gaming and content creation, where memory speed plays a crucial role. The GIGABYTE motherboard's 16+1+1 power phase design also offers superior power delivery, making it more suitable for overclocking and high-performance scenarios.

On the other hand, the MACHINIST X99, while lacking the latest memory technology, still provides adequate performance for users working with Intel Xeon processors. Its 4-channel DDR4 setup allows for ample memory capacity, making it a viable choice for users who need a reliable workstation. However, in terms of raw performance potential, the GIGABYTE Z790 UD AC has the edge.

Connectivity Options

Connectivity is a significant aspect to consider when comparing these two motherboards. The GIGABYTE Z790 UD AC boasts PCIe 5.0 support, which is crucial for future-proofing, particularly for high-speed GPUs and storage devices. It also includes USB-C 3.2 for modern peripherals and dual-band WiFi, enhancing wireless connectivity options.

In contrast, the MACHINIST X99 features PCIe 3.0 interfaces and lacks the advanced USB options found in the GIGABYTE motherboard. While it does have multiple NVMe M.2 slots, these are limited to PCIe 3.0 speeds, which may bottleneck performance compared to the newer standards. For users prioritizing cutting-edge connectivity, the GIGABYTE Z790 UD AC is the clear winner in this category.

Thermal Management

Thermal management is crucial for maintaining system stability and performance, particularly in high-load situations. The GIGABYTE Z790 UD AC incorporates a comprehensive thermal design with fully covered MOSFET heatsinks and an M.2 thermal guard, ensuring efficient cooling even during intense gaming or heavy computational tasks. This thoughtful design contributes to the longevity and reliability of the components.

On the other hand, the MACHINIST X99 includes a VRM cooling fan and heat dissipation armor, which helps maintain stable temperatures. However, it may not be as robust as the thermal solutions offered by the GIGABYTE motherboard. For users who prioritize cooling efficiency, especially in a high-performance setup, the GIGABYTE Z790 UD AC is the better choice.

User Experience and Aesthetics

User experience is another area where the GIGABYTE Z790 UD AC excels. It features RGB Fusion, allowing users to customize the motherboard's aesthetics to match their build. This visual appeal can enhance the overall experience for gamers and PC builders who enjoy showcasing their setups.

The MACHINIST X99, while functional, lacks any notable aesthetic features, focusing more on utility than design. Users looking for a visually appealing build may find the GIGABYTE Z790 UD AC more satisfying. However, the MACHINIST X99 offers a straightforward, no-frills approach that may appeal to those who prioritize performance over aesthetics.

Pricing and Value

Regarding pricing, the MACHINIST X99 is significantly cheaper at $76.99, making it an attractive option for budget-conscious consumers. This price point allows users to build a capable system without breaking the bank, especially for those who can utilize older generation Intel processors effectively.

In contrast, the GIGABYTE Z790 UD AC, priced at $149.99, offers a higher initial investment but includes advanced features and future-proofing capabilities that may justify the cost for serious gamers and power users. The additional features and performance enhancements can lead to a better overall experience, making it a worthwhile consideration for those who can afford the higher price.

Which should you buy?

Choosing between the GIGABYTE Z790 UD AC and the MACHINIST X99 ultimately depends on your specific needs and budget. If you are looking for a high-performance motherboard with advanced features, superior connectivity, and better thermal management, the GIGABYTE Z790 UD AC is the clear choice. It is well-suited for gamers and content creators who require the latest technology and capabilities.

However, if you are on a budget and need a reliable motherboard for basic tasks or a workstation setup, the MACHINIST X99 provides good value for money with its lower price point. It is a solid option for users who can leverage older generation Intel processors effectively. In summary, consider your performance requirements and budget constraints when making your decision.