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ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard vs ASRock A620AI WiFi Mini-ITX AM5 Motherboard

Updated August 2026The ASUS Prime B840-PLUS offers better value and expandability, while the ASRock A620AI excels in compactness and overclocking capabilities.

The ASUS Prime B840-PLUS offers better value and expandability, while the ASRock A620AI excels in compactness and overclocking capabilities.

Why ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard is better

lower price

C$153.44 vs C$209.39

more M.2 slots

three M.2 slots vs two

better cooling

comprehensive cooling solutions

Why ASRock A620AI WiFi Mini-ITX AM5 Motherboard is better

superior power design

8+2+1 phase power vs 6-layer PCB

higher memory speed

supports up to 8200+ (OC) vs standard DDR5

compact form factor

Mini-ITX vs ATX design

Overall score

ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard
85
ASRock A620AI WiFi Mini-ITX AM5 Motherboard
78

Specifications

SpecASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX MotherboardASRock A620AI WiFi Mini-ITX AM5 Motherboard
BrandAsusASRock
SocketAM5AM5
Wi-Fi6E6E
USB Ports1012
AudioStandardNahimic

Dimension comparison

ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX MotherboardASRock A620AI WiFi Mini-ITX AM5 Motherboard

Overview

In the competitive landscape of motherboards, the ASUS Prime B840-PLUS WiFi and ASRock A620AI WiFi Mini-ITX cater to different user needs. The ASUS Prime B840-PLUS is priced at C$153.44, while the ASRock A620AI is higher at C$209.39. This price difference reflects their design philosophies and target audiences.

The ASUS Prime B840-PLUS WiFi is designed for users looking for a robust ATX solution, ideal for advanced builds. In contrast, the ASRock A620AI focuses on compactness and efficiency, targeting users who prefer a Mini-ITX form factor. Each motherboard supports AMD's latest Ryzen 9000, 8000, and 7000 Series processors, making them viable options for modern computing needs.

Performance Capabilities

The performance capabilities of both motherboards are impressive, but they cater to different use cases. The ASUS Prime B840-PLUS features an enhanced power solution with a 6-layer PCB and durable capacitors, ensuring stable power delivery. This design is particularly beneficial for demanding applications requiring consistent performance.

On the other hand, the ASRock A620AI boasts an 8+2+1 phase power design with 80A Dr.MOS, which provides superior stability for overclocking. This makes the A620AI an excellent choice for gaming and multitasking scenarios that demand high power efficiency and reliability. While both motherboards facilitate advanced usage, the ASRock's superior power design offers a slight edge for users keen on overclocking.

Connectivity Options

Connectivity is a critical factor for modern motherboards, and both options do not disappoint. The ASUS Prime B840-PLUS comes equipped with Wi-Fi 6E, multiple PCIe 4.0 slots, and Realtek 2.5Gb Ethernet, ensuring fast and reliable internet access alongside expansive expansion capabilities.

Conversely, the ASRock A620AI also features Wi-Fi 6E and adds Bluetooth support, alongside dual Ethernet ports (2.5G and Gigabit LAN). This makes it exceptionally versatile for various networking needs. Furthermore, the A620AI offers USB 3.2 Gen2 Type-C ports, enhancing data transfer speeds significantly. Users who prioritize diverse connectivity options may find the ASRock to be more appealing.

Memory Support

Memory support is another crucial aspect that differentiates these two motherboards. The ASUS Prime B840-PLUS supports DDR5 memory, ensuring compatibility with future RAM advancements. It features three M.2 slots and is designed for maximum performance, stability, and compatibility with high-speed memory.

In comparison, the ASRock A620AI also supports dual-channel DDR5 DIMMs but is limited to two slots. However, it boasts support for speeds up to 8200+ (OC), which is particularly beneficial for users looking to maximize memory bandwidth for intensive applications. While both boards offer excellent memory support, the ASUS is better suited for those requiring more expansion options.

Design and Build Quality

When it comes to design and build quality, both the ASUS Prime B840-PLUS and ASRock A620AI showcase thoughtful engineering. The ASUS motherboard features a DIY-friendly design with a pre-mounted I/O shield and comprehensive cooling solutions, including VRM and M.2 heatsinks. These features enhance airflow and cooling efficiency, making it suitable for high-performance builds.

The ASRock A620AI, being a Mini-ITX motherboard, is designed for compact builds and emphasizes ease of upgrades. It includes BIOS Flashback for hassle-free updates and has optimized airflow for small form-factor setups. While both boards are built with durability in mind, the ASUS offers more extensive cooling solutions, which may be crucial for high-power builds.

User Experience and Software

User experience can significantly impact performance and ease of use, and both motherboards offer unique software solutions. The ASUS Prime B840-PLUS is integrated with renowned software like Armoury Crate and ASUS DriverHub, providing an intuitive interface for system management and monitoring.

On the other hand, the ASRock A620AI features Nahimic Audio for enhanced immersion while gaming or working, alongside various user-friendly attributes for setup. While both motherboards provide software that enhances usability, ASUS's suite is more comprehensive, giving it an edge for users who appreciate a robust software ecosystem.

Price Point Consideration

Price is an essential factor influencing motherboard selection, and there is a notable difference between the two options. The ASUS Prime B840-PLUS is priced at C$153.44, making it an attractive choice for budget-conscious buyers seeking high-quality performance.

In contrast, the ASRock A620AI is priced at C$209.39, reflecting its advanced features and compact design. While both motherboards offer excellent value, the ASUS is more accessible for entry-level or mid-range builds, while the ASRock targets users willing to invest more for specific features.

Which should you buy?

When deciding between the ASUS Prime B840-PLUS WiFi and the ASRock A620AI, consider your specific needs and use cases. If you require an ATX motherboard with extensive connectivity, memory expansion, and robust power delivery, the ASUS Prime B840-PLUS at C$153.44 is the better choice.

However, if you are looking for a compact Mini-ITX solution with advanced overclocking capabilities and versatile connectivity options, the ASRock A620AI at C$209.39 may be worth the additional investment. Ultimately, both motherboards excel in their respective niches, catering to different types of users and builds.

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ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard vs ASRock A620AI WiFi Mini-ITX AM5 Motherboard | versusfinder