ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard vs ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz

Design and Form Factor

The ASRock B650I Lightning WiFi is a compact Mini-ITX motherboard designed for small form factor builds, while the ASRock B860 Pro RS follows a standard ATX design. The Mini-ITX form factor of the B650I measures just 170mm x 170mm, making it ideal for space-constrained environments. In contrast, the B860 Pro RS adheres to the larger ATX standard, providing more room for additional components and connections. This fundamental design difference makes the B650I more suitable for compact setups, whereas the B860 Pro RS can accommodate more robust configurations with greater expansion capabilities.

Processor Compatibility

The ASRock B650I Lightning WiFi supports AMD Ryzen 9000, 8000, and 7000 series processors, making it suitable for those who prefer AMD's latest offerings. On the other hand, the ASRock B860 Pro RS is designed for Intel Core Ultra series processors using the LGA 1851 socket. This distinction matters significantly for users who have a preference for a specific brand or need the latest technology in their builds. The B650I's compatibility with AMD's advanced processors positions it well for users seeking cutting-edge performance, while the B860 Pro RS broadens options for Intel enthusiasts.

Memory Support

When it comes to memory support, the ASRock B650I Lightning WiFi features dual DDR5 DIMM slots optimized for overclocked speeds up to 7200+ MHz (OC). This allows serious gamers and performance seekers to push their memory to higher limits. Conversely, the ASRock B860 Pro RS supports four DDR5 DIMM slots with speeds up to 8666+ MHz (OC). This gives the B860 Pro RS a slight edge in terms of memory capacity and potential speed, allowing for up to 256GB of RAM. Therefore, users looking for maximum memory capabilities may favor the B860 Pro RS, while those prioritizing compact builds may prefer the B650I.

Power Delivery Systems

The ASRock B650I Lightning WiFi employs an 8+2+1 phase power design, which is geared towards stability and efficiency, especially for compact systems. In contrast, the ASRock B860 Pro RS boasts a more robust 10+1+1+1+1 phase power delivery system, utilizing 80A Dr.MOS components. This implies that the B860 Pro RS is engineered for high-end gaming and content creation, promising better power efficiency and stability under demanding workloads. Users who are serious about overclocking or running high-performance setups may find the B860 Pro RS more appealing due to its superior power delivery features.

Storage Options

Storage versatility is significant in both motherboards. The ASRock B650I Lightning WiFi includes a blazing M.2 PCIe 5.0 x4 slot for high-speed NVMe SSDs along with two SATA3 ports for traditional storage options. In contrast, the ASRock B860 Pro RS features a more extensive array of storage possibilities, including a PCIe 5.0 x4 slot, multiple PCIe 4.0 M.2 slots, and SATA3 connections. This variety allows for more extensive storage configurations, appealing to users who require additional speed and capacity for their applications. The increased options in the B860 Pro RS make it a more attractive choice for power users needing advanced storage solutions.

Connectivity Features

Connectivity is another area where the ASRock B650I Lightning WiFi and ASRock B860 Pro RS differ significantly. The B650I boasts a comprehensive connectivity suite that includes 2.5G LAN, Intel WiFi 6E, and multiple USB 3.2 Gen2 ports. This ensures high-speed networking and data transfer capabilities. In contrast, the B860 Pro RS offers advanced connectivity options such as Thunderbolt 4 Type-C and various USB ports, enhancing its appeal for high-speed peripherals. The B860 Pro RS's superior connectivity options may sway users who prioritize the latest in data transfer technology, while the B650I remains competitive for most general use cases.

Audio Quality

For audio enthusiasts, both motherboards deliver solid audio experiences. The ASRock B650I Lightning WiFi features the Realtek ALC897 7.1 CH HD Audio Codec, enhanced by Nahimic Audio for immersive sound quality. On the other hand, the ASRock B860 Pro RS uses the Realtek ALC1220 7.1 CH HD Audio Codec, also equipped with Nahimic Audio. While both motherboards provide excellent audio performance, the ALC1220 is generally regarded as a higher-end solution, suggesting that the B860 Pro RS may offer slightly superior audio fidelity.

Which should you buy?

Deciding between the ASRock B650I Lightning WiFi and the ASRock B860 Pro RS depends largely on your specific needs and preferences. The B650I is about 17% more expensive at $169.99 compared to the B860 Pro RS, which is priced at $129.99. If you are looking for a compact motherboard that supports AMD processors and offers impressive overclocking capabilities, the B650I may be the better choice. However, if you need more expansion options, superior power delivery, and enhanced connectivity, the B860 Pro RS stands out as a versatile and powerful option. Ultimately, both motherboards have their strengths, so your choice should align with your specific requirements for performance and build design.