ASUS ROG Strix B650-A Gaming WiFi AMD B650 AM5 vs ASUS ROG Strix X870-A Gaming WiFi AMD AM5 X870 ATX
Updated August 2026 — ASUS ROG Strix X870-A Gaming WiFi AMD AM5 X870 ATX leads on power and connectivity.
The ASUS ROG Strix B650-A offers great value for mainstream users, while the X870-A excels in performance and features for enthusiasts.
Why ASUS ROG Strix B650-A Gaming WiFi AMD B650 AM5 is better
Price
B650-A is $110 cheaper
Basic Features
Adequate for general gaming needs
Simplicity
Easier setup for average users
Why ASUS ROG Strix X870-A Gaming WiFi AMD AM5 X870 ATX is better
Power Delivery
X870-A has 16+2+2 power stages
Connectivity
X870-A supports PCIe 5.0 and WiFi 7
Thermal Management
X870-A features AI Cooling II
Overall score
Specifications
| Spec | ASUS ROG Strix B650-A Gaming WiFi AMD B650 AM5 | ASUS ROG Strix X870-A Gaming WiFi AMD AM5 X870 ATX |
|---|---|---|
| Power Stages | 12 + 2 | 16 + 2 + 2 |
| M.2 Slots | 3 | 4 |
| WiFi | 6E | 7 |
| PCIe Version | 4.0 | 5.0 |
| AI Features | No | Yes |
Dimension comparison
Overview
The ASUS ROG Strix B650-A Gaming WiFi is priced at $139.99, while the ASUS ROG Strix X870-A Gaming WiFi costs $249.99, making the B650-A about 44% cheaper. Both motherboards are designed for AMD Ryzen processors, but they cater to different user needs and performance levels.
The B650-A offers a solid foundation for gaming and general use with its robust features, while the X870-A aims at enthusiasts seeking top-tier performance and advanced technology. Understanding these differences can help you choose the right motherboard for your build.
Power Delivery and Performance
In terms of power delivery, the ASUS ROG Strix B650-A features a 12 + 2 power stage configuration, while the ASUS ROG Strix X870-A boasts a more powerful 16 + 2 + 2 setup. This difference means that the X870-A can potentially offer better stability and performance under heavy loads, particularly for multi-core processors.
Both motherboards support AMD's latest Ryzen processors, but the X870-A is geared towards extreme overclocking and demanding gaming scenarios. The robust power solutions in both boards ensure they can handle modern CPUs effectively, but the X870-A is designed with high-performance users in mind.
Connectivity Options
The ASUS ROG Strix B650-A provides a solid array of connectivity options, including PCIe 4.0 capabilities, 3x M.2 slots, and WiFi 6E. In contrast, the ASUS ROG Strix X870-A steps up to PCIe 5.0 and includes 4x M.2 slots, as well as WiFi 7.
This means that the X870-A not only offers faster data transfer rates but also greater flexibility for future upgrades. If you are looking to maximize your data throughput and connectivity for high-speed devices, the X870-A is the better choice.
Thermal Management
Thermal management is key for maintaining optimal performance, and both motherboards employ advanced thermal designs. The B650-A comes with massive VRM heatsinks and high conductivity thermal pads, ensuring that heat is effectively dissipated during intensive tasks.
On the other hand, the X870-A features even more sophisticated thermal management technologies, such as AI Cooling II. This allows for dynamic adjustments based on system load, further enhancing thermal performance. If thermal efficiency is a priority, the X870-A clearly has the upper hand.
Memory Support
When it comes to memory support, both motherboards utilize DDR5 technology. The B650-A supports standard configurations suitable for most gaming and productivity needs, while the X870-A introduces features like AI Enhanced Memory Profile (AEMP) to optimize memory performance.
The X870-A's support for advanced memory configurations allows for better overclocking options and performance tuning, making it a more suitable choice for enthusiasts who want to push their systems to the limit.
Design and Aesthetics
In terms of design, the ASUS ROG Strix B650-A sports a sleek appearance with a focus on functionality, while the ASUS ROG Strix X870-A features a stylish white PCB that stands out in any build. Both motherboards integrate RGB lighting options, allowing users to customize their setups visually.
The design choices cater to different aesthetic preferences, but the X870-A's more modern look might appeal to users seeking a premium aesthetic in their gaming rigs.
Ideal Use Cases
The ASUS ROG Strix B650-A is well-suited for gamers and general users who need a reliable motherboard without breaking the bank. It offers ample performance for mainstream gaming and productivity tasks, making it a great entry-point option.
Conversely, the ASUS ROG Strix X870-A targets hardcore gamers and content creators who demand high performance and the latest technology. Its advanced features, such as AI Overclocking and enhanced connectivity, make it ideal for users looking to build a high-end system.
Which should you buy?
Deciding between the ASUS ROG Strix B650-A and the ASUS ROG Strix X870-A ultimately depends on your needs and budget. If you are looking for a capable motherboard at a more accessible price of $139.99, the B650-A is a great option that offers solid performance for most users.
However, if you require cutting-edge features, superior power delivery, and advanced connectivity options, the X870-A, priced at $249.99, provides those enhancements that can justify the investment. Consider your specific needs, whether gaming or advanced computing, to make the best choice for your build.

