ASUS TUF Gaming B550-PLUS WiFi II AMD AM4 vs ASRock B550 Phantom Gaming 4 AC Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryz

Performance and CPU Compatibility

The ASUS TUF Gaming B550-PLUS WiFi II and ASRock B550 Phantom Gaming 4 AC both support 3rd Gen AMD AM4 Ryzen processors, making them suitable choices for users aiming to build on AMD’s AM4 platform. However, the ASUS model specifically pairs with 3rd Gen AMD Ryzen CPUs and supports PCIe 4.0, which can offer improved bandwidth for compatible devices. The ASRock board also supports future AMD Ryzen processors but does not explicitly highlight PCIe 4.0 support on all slots. The ASUS board’s emphasis on PCIe 4.0 x4 for one of its dual M.2 slots suggests a stronger potential for high-speed storage options, benefiting users who require faster data transfer rates. Meanwhile, ASRock’s focus is on solid compatibility with DDR4 memory up to 4733+ MHz (overclocked), which is a notable feature for users wanting to push RAM speeds. Overall, ASUS may have the edge in raw interface performance, while ASRock offers solid memory overclocking support.

Power Delivery and VRM Design

Power delivery is critical for stability and overclocking potential, especially with higher-core-count CPUs. The ASUS TUF Gaming B550-PLUS WiFi II features an 8+2 DrMOS power stage design, utilizing high-quality alloy chokes and durable capacitors. This robust power design is tailored to reliably support demanding AMD CPUs. In contrast, the ASRock B550 Phantom Gaming 4 AC employs an 8 power phase design with Digi Power technology. While both boards offer solid power phase counts, ASUS’s inclusion of DrMOS components and additional phases for memory or integrated components suggests a stronger and potentially more efficient power delivery system. This difference is particularly relevant for users intending to push their CPUs or maintain system stability under load over long periods.

Connectivity and Expansion Options

When it comes to connectivity, the ASUS TUF Gaming B550-PLUS WiFi II offers a more comprehensive set of options. Notably, it includes WiFi 6 (802.11ax) and a 2.5 Gb LAN port with ASUS LANGuard for enhanced networking performance. The ASRock B550 Phantom Gaming 4 AC provides wireless connectivity through its AC WiFi, which is an older standard compared to WiFi 6, and its networking details are less robust by comparison. ASUS also supports HDMI 2.1 with 4K at 60Hz output and DisplayPort 1.2, while ASRock only lists HDMI output without specifying resolution or refresh rate. Additionally, ASUS provides front panel USB 3.2 Gen 1, USB 3.2 Gen 2 Type-C and Type-A ports, and a Thunderbolt 3 header, offering broader and faster connectivity options. ASRock lists PCIe slots but fewer advanced USB or Thunderbolt features, making ASUS the better choice for users needing extensive and high-speed peripheral support.

Storage Capabilities

Storage options on the ASUS TUF Gaming B550-PLUS WiFi II are notably advanced with dual M.2 slots, one of which supports PCIe 4.0 x4 connectivity, enabling extremely fast NVMe SSD performance. This is a significant advantage for gamers or professionals seeking rapid load times and file transfers. The ASRock B550 Phantom Gaming 4 AC does not specify multiple M.2 slots or PCIe 4.0 support for storage, which might limit its appeal for users prioritizing storage speed and flexibility. While ASRock lists PCIe 4.0 x16 and 3.0 slots for graphics and expansion cards, its storage capabilities appear more basic. Therefore, for users focused on maximizing storage performance, the ASUS board clearly offers superior options.

Thermal and Cooling Solutions

Thermal management is a key factor in system stability and longevity. The ASUS TUF Gaming B550-PLUS WiFi II includes an optimized thermal solution featuring fanless VRM and PCH heatsinks, alongside multiple hybrid fan headers and fan speed management through Fan Xpert 4 or UEFI Q-Fan Control. This setup provides users with both passive and active cooling options to maintain optimal temperatures during intensive tasks or gaming sessions. The ASRock B550 Phantom Gaming 4 AC does not highlight any specific cooling solutions or fan management features in its description, suggesting a more basic approach. For users who value advanced cooling capabilities and quieter operation, the ASUS motherboard’s detailed thermal design is a clear benefit.

Memory Support and Overclocking

Both motherboards support DDR4 memory, but there are differences worth noting. The ASRock B550 Phantom Gaming 4 AC explicitly supports DDR4 memory speeds up to 4733+ MHz via overclocking, which is valuable for users aiming to extract maximum performance from high-speed RAM modules. The ASUS TUF Gaming B550-PLUS WiFi II does not specify memory speed support or overclocking limits in the available data, focusing more on CPU power stages and PCIe connectivity. This suggests that ASRock may appeal more to enthusiasts who prioritize aggressive memory overclocking, while ASUS leans toward a balanced performance and connectivity approach.

Price and Value

Price is a significant factor in decision-making, and the difference here is substantial. The ASUS TUF Gaming B550-PLUS WiFi II is priced at C$164.98, while the ASRock B550 Phantom Gaming 4 AC comes in at a considerably lower C$99.99. This nearly C$65 price gap reflects the difference in features such as WiFi 6, PCIe 4.0 storage support, enhanced power delivery, and advanced cooling on the ASUS board. For budget-conscious buyers, the ASRock offers essential AM4 compatibility and solid basic features at a lower price point. However, for those willing to invest more for expanded capabilities and future-proofing, the ASUS board delivers greater value in terms of technology and connectivity.

Which should you buy?

Choosing between the ASUS TUF Gaming B550-PLUS WiFi II and the ASRock B550 Phantom Gaming 4 AC depends largely on your priorities and budget. If you want a motherboard with advanced connectivity, including WiFi 6, 2.5 Gb LAN, PCIe 4.0 for storage, better thermal management, and a robust power design suited for high-core-count CPUs, the ASUS board at C$164.98 is the superior choice. It offers greater future-proofing and enhanced features for gamers and enthusiasts willing to pay a premium.

On the other hand, if your budget is tighter and you primarily need solid 3rd Gen AMD AM4 Ryzen support with respectable power delivery and good memory overclocking potential (up to DDR4 4733+), the ASRock B550 Phantom Gaming 4 AC at C$99.99 presents a compelling value. It covers essential gaming needs without the extras that increase cost.

In summary, opt for ASUS if you want more advanced features and connectivity with a higher price, or choose ASRock for a more budget-friendly motherboard that still supports key Ryzen processors and decent memory speeds.