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ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz vs ASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5

Updated August 2026 — ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz wins on form factor and memory, ASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5 wins on power and price.

The ASRock B860 Pro RS offers great value for Intel users, while the ASUS ROG Strix B650E-I excels in power delivery and features for AMD builds.

Why ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz is better

Price

ASRock is significantly cheaper at $129.99.

Memory Speed

Supports DDR5 up to 8666 MHz.

Form Factor

Larger ATX layout for more expansion.

Why ASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5 is better

Power Delivery

10+2 power stages for better performance.

Audio Quality

Advanced ALC4080 codec for superior sound.

Connectivity

More USB ports and Intel 2.5G Ethernet.

Overall score

ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz
75
ASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5
85

Specifications

SpecASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHzASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5
DDR5 Speed8666 MHzNot specified
Power Stages10+1+1+1+110+2
Audio CodecALC1220ALC4080
USB Ports68
EthernetRealtek 2.5GIntel 2.5G

Dimension comparison

ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHzASUS ROG Strix B650E-I Gaming WiFi AMD B650 AM5

Overview of the ASRock B860 Pro RS and ASUS ROG Strix B650E-I Gaming WiFi

The ASRock B860 Pro RS is priced at $129.99, making it about 38% cheaper than the ASUS ROG Strix B650E-I, which retails for $209.99. Both motherboards cater to different needs, with the ASRock designed for Intel processors and the ASUS optimized for AMD Ryzen series, highlighting their distinct target audiences.

Performance

In terms of performance, the ASRock B860 Pro RS supports DDR5 memory up to 8666 MHz, which is quite impressive. In contrast, the ASUS ROG Strix B650E-I focuses on delivering robust power with its 10+2 power stages and is equipped to handle AMD Ryzen processors, including the latest 9000 series. This difference in processor compatibility may influence your choice based on your preferred CPU brand.

Power Delivery and VRM Design

The ASRock B860 Pro RS features a well-structured power delivery system with a 10+1+1+1+1 phase design, including 80A Dr.MOS. The ASUS ROG Strix B650E-I, however, offers a more advanced 10+2 power stage design, which is crucial for multi-core processors. The ROG Strix's setup not only supports high-performance CPUs but also incorporates thick heatsinks for optimized thermal management, making it a better choice for overclocking enthusiasts.

Memory and Storage Options

When it comes to memory, both motherboards support DDR5 technology, but the ASRock B860 Pro RS stands out with its capability to reach speeds of 8666 MHz. The ASUS ROG Strix B650E-I, while supporting high-speed memory, does not specify an exact maximum speed in the provided data. Storage capabilities are robust on both boards, with the ASRock featuring a Blazing M.2 PCIe Gen5 x4 slot and multiple PCIe Gen4 options, while the ASUS provides a similar setup but includes a significant focus on next-gen M.2 support.

Connectivity Features

Connectivity is a strong point for both motherboards. The ASRock B860 Pro RS includes Thunderbolt 4 Type-C and USB 3.2 Gen2x2 Type-C ports, offering ultra-fast data transfer rates. On the other hand, the ASUS ROG Strix B650E-I also provides a USB 3.2 Gen2x2 Type-C port along with seven additional USB ports, ensuring ample connectivity. Additionally, the inclusion of Intel 2.5G Ethernet in the ASUS motherboard enhances its networking capabilities, making it suitable for high-speed online gaming.

Audio Capabilities

The audio systems in both motherboards cater to different levels of audio requirements. The ASRock B860 Pro RS features a Realtek ALC1220 7.1 Channel HD Audio Codec with Nahimic Audio, providing an immersive sound experience for gamers and media creators alike. In comparison, the ASUS ROG Strix B650E-I boasts a more advanced ALC4080 codec paired with a Savitech SV3H712 amplifier, supporting technologies like DTS Sound Unbound for enhanced audio fidelity during gaming sessions.

Form Factor and Build Quality

The ASRock B860 Pro RS is an ATX motherboard, providing a larger layout that can accommodate more expansion cards and peripherals. In contrast, the ASUS ROG Strix B650E-I is a mini-ITX motherboard, designed for smaller form factor builds. While the ASRock is better suited for comprehensive builds, the compact nature of the ASUS board allows for sleek, space-efficient setups without sacrificing performance.

Which should you buy?

Choosing between the ASRock B860 Pro RS and the ASUS ROG Strix B650E-I ultimately depends on your specific needs and preferences. If you are looking for a more budget-friendly option with impressive memory speeds and robust performance for Intel processors, the ASRock B860 Pro RS at $129.99 is an excellent choice. However, if you require a high-end motherboard for AMD Ryzen processors with superior power delivery, advanced audio features, and extensive connectivity options, the ASUS ROG Strix B650E-I at $209.99 is worth the investment.