ASUS ROG Crosshair X870E Dark Hero ATX vs GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard,
Updated August 2026 — ASUS ROG Crosshair X870E Dark Hero ATX wins on connectivity and performance, GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, wins on value and ease of use.
The ASUS ROG Crosshair X870E Dark Hero offers superior performance and features for enthusiasts, while the GIGABYTE Z790 UD AC provides excellent value for budget-conscious users.
Why ASUS ROG Crosshair X870E Dark Hero ATX is better
Performance
Higher power stages for better overclocking
Cooling
Advanced thermal management with 3D VC heatsink
Connectivity
More extensive USB and networking options
Why GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, is better
Price
Significantly lower cost
Ease of Use
User-friendly installation features
Compatibility
Supports a wide range of Intel CPUs
Overall score
Specifications
| Spec | ASUS ROG Crosshair X870E Dark Hero ATX | GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, |
|---|---|---|
| Power Stages | 20+2+2 | 16+1+1 |
| M.2 Slots | 5 | 3 |
| Socket Type | AM5 | LGA 1700 |
| DDR Support | DDR5 | DDR5 |
| WiFi | Wi-Fi 7 | Dual Band WiFi |
Dimension comparison
Overview of the ASUS ROG Crosshair X870E Dark Hero
The ASUS ROG Crosshair X870E Dark Hero is a high-end motherboard priced at $699.99. It is designed for advanced gaming and computing tasks, featuring robust specifications that cater to demanding users. This motherboard supports the latest AMD AM5 socket, making it compatible with Ryzen 9000, 8000, and 7000 series processors. With a power solution of 20+2+2 stages and support for DDR5 memory, it is built for performance.
The Crosshair X870E also boasts five M.2 slots, including PCIe 5.0 support, which ensures fast data transfer rates. Key features like the 3D VC M.2 heatsink, USB4 connectivity, and AI-enhanced utilities make it an attractive option for gamers and content creators alike. Its robust thermal design ensures reliable performance under load, a crucial aspect for high-performance builds.
Overview of the GIGABYTE Z790 UD AC
In contrast, the GIGABYTE Z790 UD AC is significantly more affordable at $149.99, making it about 79% cheaper than the ASUS option. It supports Intel's 14th, 13th, and 12th generation processors via the LGA 1700 socket, making it versatile for various Intel CPUs. The motherboard features a solid power design with a 16+1+1 phase configuration, ensuring that it can handle demanding workloads effectively.
With three M.2 slots and PCIe 5.0 support, the Z790 UD AC also provides ample storage options for users looking to optimize their system's performance. The inclusion of USB-C 3.2 and dual-band WiFi enhances connectivity, while a comprehensive thermal design featuring heatsinks and thermal guards supports efficient cooling. This makes it a strong contender for gamers seeking both performance and value.
Performance Comparison
In terms of performance, the ASUS ROG Crosshair X870E Dark Hero is tailored for high-end applications, thanks to its 20+2+2 power stages. The robust power solution ensures stable performance, particularly under overclocking conditions, which is crucial for enthusiasts. The advanced cooling features, including the 3D VC M.2 heatsink, enable the motherboard to maintain optimal temperatures during intense use.
Conversely, the GIGABYTE Z790 UD AC, with its 16+1+1 power phase design, offers sufficient power delivery for most gaming and productivity tasks. While it may not match the ASUS in raw performance capabilities, it still provides reliable functionality for mainstream users. The three M.2 slots ensure good storage options, but the cooling solutions may not be as advanced as those found in the Crosshair X870E.
Connectivity Features
The connectivity options on the ASUS ROG Crosshair X870E are extensive. It includes dual USB4 Type-C ports, multiple USB 10Gbps ports, and HDMI support, catering to a wide range of peripherals and devices. Additionally, its onboard Wi-Fi 7 and advanced Ethernet options ensure that users can take advantage of the latest networking technologies. This level of connectivity is particularly beneficial for gamers and content creators who need fast and reliable data transfer.
On the other hand, the GIGABYTE Z790 UD AC offers good connectivity features as well, including PCIe 5.0 and USB-C 3.2 ports. However, its connectivity options are less extensive than those of the ASUS motherboard. While it provides dual-band WiFi and basic USB support, it may not meet the needs of users requiring the highest levels of connectivity and speed for high-performance applications.
Thermal Management
Thermal management is a critical factor in motherboard performance, especially for high-demand systems. The ASUS ROG Crosshair X870E Dark Hero includes a sophisticated thermal design, featuring a 3D VC M.2 heatsink and large integrated heatsinks connected via a heatpipe. These features are designed to dissipate heat effectively, ensuring that the components remain cool even during intense gaming sessions.
In comparison, the GIGABYTE Z790 UD AC employs a solid thermal design with fully covered MOSFET heatsinks and an M.2 thermal guard. While it may not be as advanced as the cooling solutions found on the ASUS motherboard, it still offers adequate thermal management for most users. The 6-layer PCB construction also contributes to maintaining optimal temperatures, making it suitable for regular gaming and productivity tasks.
User Experience and Features
The ASUS ROG Crosshair X870E excels in providing a user-friendly experience, with features designed for enthusiasts. The AI Cache Boost and various ASUS-exclusive utilities simplify setup and enhance performance. Additionally, the extensive customization options through Aura Sync RGB lighting allow users to personalize their builds to a high degree.
In contrast, the GIGABYTE Z790 UD AC focuses on delivering essential features for a broad audience. Its EZ-Latch design and Q-Flash technology make installation and updates straightforward, appealing to users who may not require advanced customization options. While it lacks some of the high-end features found in the ASUS motherboard, it still offers a solid user experience for gamers and general users alike.
Price Comparison
The price difference between the ASUS ROG Crosshair X870E and the GIGABYTE Z790 UD AC is substantial, with the former priced at $699.99 and the latter at $149.99. This makes the ASUS motherboard about 366% more expensive than the GIGABYTE option. While the ASUS model offers premium features and performance, the GIGABYTE motherboard provides excellent value for users seeking a capable solution without breaking the bank.
This significant price gap highlights a clear distinction in target markets. The ASUS motherboard is aimed at high-end enthusiasts and professionals, while the GIGABYTE board is designed for budget-conscious gamers and general users who still want solid performance.
Which should you buy?
Choosing between the ASUS ROG Crosshair X870E Dark Hero and the GIGABYTE Z790 UD AC ultimately depends on your specific needs and budget. If you are an enthusiast looking for cutting-edge features, advanced cooling, and high performance, the ASUS motherboard is worth the investment at $699.99. However, if you are a casual gamer or someone who needs a reliable motherboard without the high-end features, the GIGABYTE Z790 UD AC at $149.99 offers excellent value for money and solid performance for everyday tasks.

