ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard vs GIGABYTE B850M Gaming X WIFI6E AMD AM5 mATX
Updated August 2026 — ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard wins on form factor and memory, GIGABYTE B850M Gaming X WIFI6E AMD AM5 mATX wins on price and power.
The ASRock B650I Lightning WiFi excels in compact design and memory performance, while the GIGABYTE B850M Gaming X offers better power delivery and value. Choose based on your specific needs.
Why ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard is better
Compact Design
Ideal for small form factor builds
Memory Performance
Supports overclocking up to 7200+
USB Connectivity
More extensive USB options available
Why GIGABYTE B850M Gaming X WIFI6E AMD AM5 mATX is better
Power Delivery
10+2+2 phase design for better stability
Price
Approximately 17% cheaper
Warranty
Includes a 5-year warranty
Overall score
Specifications
| Spec | ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard | GIGABYTE B850M Gaming X WIFI6E AMD AM5 mATX |
|---|---|---|
| Socket | AM5 | AM5 |
| DDR5 Support | Yes | Yes |
| M.2 Slots | 2 | 2 |
| Audio Codec | Realtek ALC897 | Not specified |
| LAN | 2.5G | 2.5G |
Dimension comparison
Overview of the ASRock B650I Lightning WiFi and GIGABYTE B850M Gaming X
The ASRock B650I Lightning WiFi is priced at $169.99, while the GIGABYTE B850M Gaming X is available for $149.91, making it approximately 17% cheaper than the ASRock model. Both motherboards are designed for AMD’s AM5 platform, supporting the Ryzen 9000, 8000, and 7000 Series processors, but they cater to different build preferences and use cases.
Design and Form Factor
The ASRock B650I Lightning WiFi features a compact Mini-ITX design, measuring 170mm x 170mm, ideal for small form factor builds where space is a premium. In contrast, the GIGABYTE B850M Gaming X adopts an mATX form factor, allowing for a slightly larger layout that could be beneficial for users seeking more expansion options. While the ASRock's ultra-compact design is perfect for minimalistic setups, the GIGABYTE’s mATX size offers additional room for components and cooling solutions.
Power Delivery and Efficiency
The ASRock B650I boasts an advanced power delivery system with an 8+2+1 phase design, ensuring stability and efficiency during high-performance tasks. The GIGABYTE B850M, however, features a more robust 10+2+2 power phase configuration, which may enhance performance and longevity under heavy loads. For users looking at overclocking potential, the GIGABYTE’s power design may provide a slight edge, especially in demanding gaming or content creation scenarios.
Memory Support and Performance
Both motherboards support DDR5 memory, but the ASRock B650I Lightning WiFi is optimized for overclocked speeds up to 7200+ (OC) in its dual DDR5 DIMM slots. This could be particularly appealing for enthusiasts aiming to maximize memory performance. The GIGABYTE B850M supports four DIMM slots, allowing for higher total memory capacity, but does not specify overclock speeds. Users with a focus on extreme memory performance might gravitate towards the ASRock, while those needing more memory slots may prefer GIGABYTE.
Storage Options
The ASRock B650I Lightning WiFi provides a blazing M.2 PCIe 5.0 x4 slot for rapid NVMe SSD speeds, along with dual M.2 slots (one PCIe 5.0 and one PCIe 4.0) and two SATA3 ports, catering to diverse storage configurations. Conversely, the GIGABYTE B850M also includes 2x M.2 slots and PCIe 5.0 support, ensuring high-speed data transfer. Both boards offer comprehensive storage solutions, but the ASRock’s additional flexibility with its storage slots can be a decisive factor for users with specific storage needs.
Connectivity Features
In terms of connectivity, the ASRock B650I Lightning WiFi is equipped with a Phantom Gaming 2.5G LAN and Intel WiFi 6E, ensuring reliable and fast network performance. It also includes multiple USB 3.2 Gen2 ports, including front and rear Type-C options. The GIGABYTE B850M also offers WiFi 6E and 2.5GbE LAN, maintaining competitive networking capabilities. Both motherboards provide a solid range of connectivity, but the ASRock’s extensive USB options may appeal more to users with multiple peripherals.
Audio Capabilities
The ASRock B650I Lightning WiFi features a Realtek ALC897 7.1 CH HD Audio Codec, enhanced with Nahimic Audio technology for an immersive sound experience. The GIGABYTE B850M’s audio specifications are not detailed, making it difficult to compare directly. However, the ASRock's emphasis on audio enhancement indicates a potential advantage for users focused on high-quality sound for gaming or media consumption.
Customer Support and Warranty
The ASRock B650I Lightning WiFi comes with dedicated customer support, providing users with a direct communication channel for assistance. While the GIGABYTE B850M does not specify customer support details, it does include a 5-year warranty, which can be a significant factor for buyers concerned about long-term reliability and support. The added warranty from GIGABYTE could provide peace of mind, especially for users investing in high-performance builds.
Which should you buy?
Choosing between the ASRock B650I Lightning WiFi and the GIGABYTE B850M Gaming X ultimately depends on your specific needs and preferences. If you prioritize a compact design with advanced memory overclocking and extensive USB connectivity, the ASRock may be the better fit for you. However, if you're looking for a more cost-effective option with a robust power delivery system, greater memory capacity, and a long warranty, the GIGABYTE is a strong contender. Both motherboards are excellent choices for AMD's AM5 platform, but your decision should reflect your unique requirements and build intentions.

