ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard vs ASUS ROG Strix X870E-E Gaming WiFi AMD AM5 X870
Updated August 2026 — ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard wins on price, ASUS ROG Strix X870E-E Gaming WiFi AMD AM5 X870 wins on cooling and size.
The ASUS ROG Strix X870E-E Gaming offers superior features and performance for high-end users, while the ASRock B650I Lightning WiFi is a solid choice for budget-conscious buyers. Ultimately, the ASUS motherboard is the better option for serious gamers.
Why ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard is better
Price
ASRock is significantly cheaper at $169.99
Size
Mini-ITX design is ideal for compact builds
Basic Features
Adequate for casual gaming and everyday tasks
Why ASUS ROG Strix X870E-E Gaming WiFi AMD AM5 X870 is better
Performance
Higher power delivery for extreme overclocking
Connectivity
More USB ports and advanced options
Cooling
Superior thermal management for high-performance use
Overall score
Specifications
| Spec | ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard | ASUS ROG Strix X870E-E Gaming WiFi AMD AM5 X870 |
|---|---|---|
| Form Factor | Mini-ITX | ATX |
| Power Phases | 8+2+1 | 18+2+2 |
| Memory Support | DDR5 7200+ | DDR5 AEMP |
| USB Ports | Multiple USB 3.2 | Dual USB4, 9 USB 10Gbps |
| Audio Codec | Realtek ALC897 | Advanced Audio Codecs |
Dimension comparison
Overview of the Products
The ASRock B650I Lightning WiFi is priced at $169.99, while the ASUS ROG Strix X870E-E Gaming WiFi comes in at $394.99, making the ASUS motherboard about 132% more expensive. Both motherboards are designed for AMD's latest Ryzen processors, but they cater to significantly different use cases and budgets.
The ASRock B650I Lightning WiFi is a compact Mini-ITX board ideal for smaller builds, whereas the ASUS ROG Strix X870E-E Gaming is an ATX motherboard equipped with advanced features for high-performance gaming and productivity. This price disparity indicates that potential buyers should carefully consider their specific needs and the features that justify the higher cost of the ASUS motherboard.
Form Factor and Design
The ASRock B650I Lightning WiFi features an ultra-compact Mini-ITX design, measuring 170mm x 170mm, making it perfect for small form factor builds. This compactness allows users to save space without sacrificing performance, appealing to gamers and creators with limited room.
In contrast, the ASUS ROG Strix X870E-E Gaming is an ATX motherboard, providing a larger layout that accommodates more components and features. This design is better suited for users who want to maximize expandability and connectivity. The larger form factor enables the inclusion of 5 M.2 slots and advanced cooling solutions, giving it an edge for high-performance tasks.
Power Delivery and Overclocking
The power delivery systems in these motherboards differ significantly. The ASRock B650I Lightning WiFi boasts an 8+2+1 phase power design, which is adequate for most users looking to run AMD Ryzen processors efficiently. It emphasizes stability and efficiency, making it suitable for moderate overclocking.
On the other hand, the ASUS ROG Strix X870E-E Gaming features a robust 18+2+2 power solution rated for 110A per stage. This makes it better equipped for high-end, multi-core processors and extreme overclocking scenarios. The inclusion of ASUS-exclusive technologies like Dynamic OC Switcher enhances overclocking capabilities, providing users with advanced control for pushing system performance to its limits.
Memory Support and Performance
For memory support, the ASRock B650I Lightning WiFi offers dual DDR5 DIMM slots optimized for overclocked speeds up to 7200+ MHz. This ensures that users can take full advantage of high-speed memory, which is essential for demanding applications.
In comparison, the ASUS ROG Strix X870E-E Gaming also supports DDR5 memory but goes a step further with its AEMP (ASUS Enhanced Memory Profile) technology. This feature allows for optimized memory configurations and improved performance, particularly in gaming and professional environments where memory speed can significantly impact performance. Thus, while both motherboards support high-speed memory, the ASUS board provides more sophisticated options.
Connectivity Options
Connectivity is a strong point for both motherboards, yet they cater to different user requirements. The ASRock B650I Lightning WiFi includes a comprehensive connectivity suite with features like Phantom Gaming 2.5G LAN, Intel WiFi 6E, and multiple USB 3.2 Gen2 ports. This connectivity is sufficient for most users, especially in compact builds.
In contrast, the ASUS ROG Strix X870E-E Gaming excels in this area with dual USB4 Type-C ports, a USB 20Gbps Type-C front-panel connector, and a total of nine additional USB 10Gbps ports. This extensive range of connectivity options ensures that users have ample opportunities for peripheral and device connections, making it more suitable for power users and gamers who need high-speed data transfer.
Cooling Solutions
Cooling is vital for maintaining performance, particularly in high-demand scenarios. The ASRock B650I Lightning WiFi features a straightforward thermal solution appropriate for its compact design. While it provides adequate cooling for most applications, it may not suffice for extreme overclocking.
Conversely, the ASUS ROG Strix X870E-E Gaming features an optimized thermal design with massive heatsinks and integrated I/O cover, which is essential for managing heat in high-performance builds. The advanced cooling solutions, including substantial cooling for its multiple M.2 slots, indicate that this motherboard is designed for users who will push their systems hard, making it a better choice for gamers and overclockers.
Audio Performance
Audio capabilities can enhance the user experience, especially for gamers and media creators. The ASRock B650I Lightning WiFi includes a Realtek ALC897 7.1 CH HD Audio Codec enhanced with Nahimic Audio, delivering a decent audio experience for casual use.
In contrast, the ASUS ROG Strix X870E-E Gaming offers enhanced audio features aimed at gamers and multimedia enthusiasts. Its advanced audio codecs and design ensure superior sound quality, making it more suitable for immersive gaming and media consumption. This difference in audio quality could be a deciding factor for users who prioritize sound performance in their setups.
Which should you buy?
Choosing between the ASRock B650I Lightning WiFi and the ASUS ROG Strix X870E-E Gaming ultimately depends on your specific needs and budget. If you're looking for a compact and cost-effective solution, the ASRock board at $169.99 offers solid performance for casual gaming and everyday tasks. However, if you require advanced features, extensive connectivity, and superior cooling solutions for high-performance gaming or demanding applications, the ASUS ROG Strix X870E-E Gaming at $394.99 is worth the investment. The significant price difference reflects the additional capabilities and features that come with the ASUS motherboard, making it a strong contender for serious gamers and creators.

