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ASRock AMD B850i Lightning WiFi 6E Socket AM5 vs GIGABYTE Z890 AORUS Master Intel Core Ultra LGA

Updated August 2026 — ASRock AMD B850i Lightning WiFi 6E Socket AM5 wins on size and memory, GIGABYTE Z890 AORUS Master Intel Core Ultra LGA wins on price and connectivity.

The ASRock AMD B850i Lightning is a compact and budget-friendly option, while the GIGABYTE Z890 AORUS Master offers superior performance and features for high-end users.

Why ASRock AMD B850i Lightning WiFi 6E Socket AM5 is better

Price

ASRock is 56% cheaper

Size

Mini-ITX design for compact builds

Support

Dedicated support through Amazon

Why GIGABYTE Z890 AORUS Master Intel Core Ultra LGA is better

Performance

Higher power phase design

Connectivity

More M.2 slots and Thunderbolt 4

Networking

WiFi 7 and 10GbE LAN support

Overall score

ASRock AMD B850i Lightning WiFi 6E Socket AM5
75
GIGABYTE Z890 AORUS Master Intel Core Ultra LGA
88

Specifications

SpecASRock AMD B850i Lightning WiFi 6E Socket AM5GIGABYTE Z890 AORUS Master Intel Core Ultra LGA
Form FactorMini-ITXATX
Power Phases10+1+118+1+2
Memory Slots24
M.2 Slots25
WiFiWiFi 6EWiFi 7

Dimension comparison

ASRock AMD B850i Lightning WiFi 6E Socket AM5GIGABYTE Z890 AORUS Master Intel Core Ultra LGA

Overview of ASRock AMD B850i Lightning and GIGABYTE Z890 AORUS Master

The ASRock AMD B850i Lightning is priced at $179.99, while the GIGABYTE Z890 AORUS Master comes in at $279.99, making the latter about 56% more expensive. Both motherboards target different users based on their specifications and intended build types. The ASRock model is a Mini-ITX motherboard designed for compact builds, ideal for users looking to save space without sacrificing performance. In contrast, the GIGABYTE model is an ATX motherboard that offers a robust feature set suited for high-performance systems, catering to users who need more connectivity and power.

Design and Form Factor

The ASRock AMD B850i Lightning features a compact Mini-ITX design, measuring 170x170mm, making it suitable for small form factor builds. This design is perfect for users prioritizing space efficiency. On the other hand, the GIGABYTE Z890 AORUS Master is an ATX motherboard, which offers more room for additional components and connectivity options. This larger form factor allows for better thermal management and more expansive configurations, catering to those who need enhanced performance and versatility in their setups.

Power Delivery and Thermal Management

When it comes to power delivery, the ASRock AMD B850i Lightning boasts a 10+1+1 phase power design with a 110A Smart Power Stage, ensuring stable performance for compact builds. In contrast, the GIGABYTE Z890 AORUS Master offers a more robust 18+1+2 power phase design, also featuring a 110A Smart Power Stage, which provides enhanced stability and performance for demanding applications. The GIGABYTE model also includes VRM Thermal Armor and M.2 Thermal Guard, which helps maintain optimal temperatures even under heavy loads, making it a better choice for users who push their systems to the limit.

Memory Support and Overclocking

The ASRock AMD B850i Lightning supports up to 128GB of DDR5 memory with speeds up to 8200+ MHz (OC) across its two DIMM slots. This is impressive for a Mini-ITX motherboard and allows for high-performance memory configurations. Meanwhile, the GIGABYTE Z890 AORUS Master features four DIMM slots, also supporting DDR5 memory with XMP Memory Module support, although specific maximum speeds were not detailed. This allows for more extensive memory configurations which could be beneficial for users looking to maximize their system’s RAM capacity and performance.

Connectivity Options

In terms of connectivity, the ASRock AMD B850i Lightning includes a PCIe 5.0 x16 slot along with dual M.2 slots for high-speed storage solutions, ensuring that users can take advantage of next-generation graphics and storage technologies. It also features Killer 2.5G LAN and WiFi 6E, providing premium networking capabilities. Conversely, the GIGABYTE Z890 AORUS Master steps up the game with PCIe 5.0 support, five M.2 slots, and dual Thunderbolt 4 ports, offering extensive connectivity options for high-speed devices. This makes the GIGABYTE motherboard particularly appealing to gamers and content creators who require fast data transfer rates and multiple storage options.

Networking Features

The networking capabilities of both motherboards are impressive but cater to different needs. The ASRock AMD B850i Lightning is equipped with Killer 2.5G LAN and WiFi 6E, which ensures high-speed wired and wireless connectivity suitable for gaming and streaming. In contrast, the GIGABYTE Z890 AORUS Master features advanced networking options, including WiFi 7 and a 10GbE LAN port, providing a cutting-edge networking experience. This makes the GIGABYTE motherboard more future-proof and ideal for users who prioritize high-speed internet connectivity and superior online gaming experiences.

Warranty and Support

The ASRock AMD B850i Lightning offers dedicated support through Amazon for any product questions or assistance, which is a plus for buyers looking for responsive customer service. The GIGABYTE Z890 AORUS Master, however, comes with a 5-year warranty, providing peace of mind for users investing in high-performance hardware. This extended warranty can be particularly valuable for enthusiasts and professionals who require reliable components in their systems.

Which should you buy?

Choosing between the ASRock AMD B850i Lightning and the GIGABYTE Z890 AORUS Master largely depends on your specific needs and budget. The ASRock model is approximately 56% cheaper at $179.99, making it a more accessible option for those who prioritize a compact build without compromising on essential features. However, the GIGABYTE Z890 AORUS Master, priced at $279.99, offers superior performance, extensive connectivity options, and advanced networking capabilities, making it suitable for high-end gaming and professional applications. Ultimately, if you need a compact and efficient motherboard, the ASRock AMD B850i Lightning is the way to go, whereas the GIGABYTE Z890 AORUS Master is ideal for users seeking maximum performance and future-proofing.