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ASRock B450M/AC R2.0 AM4 AMD Promontory B450 SATA vs GIGABYTE X870E AORUS Elite WIFI7 AMD AM5 LGA 1718

Updated July 2026 — GIGABYTE X870E AORUS Elite WIFI7 AMD AM5 LGA 1718 leads on price and networking.

The GIGABYTE X870E AORUS Elite WIFI7 offers superior features and performance compared to the ASRock B450M/AC R2.0. For advanced users and future upgrades, the GIGABYTE model is the better choice.

Why ASRock B450M/AC R2.0 AM4 AMD Promontory B450 SATA is better

Price

Lower cost at $79.00

Basic Functionality

Suitable for older AM4 processors

Size

Micro ATX form factor

Why GIGABYTE X870E AORUS Elite WIFI7 AMD AM5 LGA 1718 is better

Performance

Supports latest AM5 processors

Memory

Supports DDR5 with AMD EXPO

Connectivity

Includes PCIe 5.0 and dual USB4 ports

Overall score

ASRock B450M/AC R2.0 AM4 AMD Promontory B450 SATA
65
GIGABYTE X870E AORUS Elite WIFI7 AMD AM5 LGA 1718
90

Specifications

SpecASRock B450M/AC R2.0 AM4 AMD Promontory B450 SATAGIGABYTE X870E AORUS Elite WIFI7 AMD AM5 LGA 1718
SocketAM4AM5
Memory TypeDDR4DDR5
M.2 Slots14
PCIe Version3.05.0
WarrantyN/A5 Years

Dimension comparison

ASRock B450M/AC R2.0 AM4 AMD Promontory B450 SATAGIGABYTE X870E AORUS Elite WIFI7 AMD AM5 LGA 1718

Overview of the ASRock B450M/AC R2.0 and GIGABYTE X870E AORUS Elite WIFI7

When comparing the ASRock B450M/AC R2.0 and the GIGABYTE X870E AORUS Elite WIFI7, the price difference is significant. The ASRock motherboard is priced at $79.00, while the GIGABYTE model costs $275.45, making the latter about 249% more expensive. This notable price gap raises questions about what features and capabilities come with the higher investment in the GIGABYTE motherboard.

Compatibility with Processors

The ASRock B450M/AC R2.0 supports AMD AM4 Socket processors, including Ryzen 2000, 3000, 4000 G-Series, 5000, and 5000 G-Series Desktop Processors. In contrast, the GIGABYTE X870E AORUS Elite WIFI7 is designed for the more advanced AMD AM5 Socket, supporting Ryzen 9000, 8000, and 7000 Series processors. This means that if you plan to use the latest Ryzen processors, the GIGABYTE motherboard is the only option. The choice of processor compatibility can significantly affect performance and upgrade paths for future builds.

Memory Support

In terms of memory support, the ASRock B450M/AC R2.0 is equipped to handle DDR4 memory with speeds up to 3200 MHz. On the other hand, the GIGABYTE X870E AORUS Elite WIFI7 supports DDR5 memory across four DIMMs, providing the potential for higher speeds and better performance in memory-intensive applications. With the GIGABYTE motherboard, users can take advantage of AMD EXPO support, which is not available with the ASRock model. This difference can impact overall system speed and efficiency, especially for high-performance gaming or content creation tasks.

Expansion and Connectivity Options

The ASRock B450M/AC R2.0 features one PCIe 3.0 x16 slot and one PCIe 2.0 x16 slot, which provides basic expansion capabilities. However, the GIGABYTE X870E AORUS Elite WIFI7 significantly outshines it with PCIe 5.0 support and four M.2 slots, allowing for faster storage options and more extensive expansion possibilities. Additionally, the GIGABYTE model includes dual USB4 ports, enhancing connectivity options for peripherals and external devices. This makes the GIGABYTE motherboard a more future-proof choice, especially for tech enthusiasts looking to build high-performance systems.

Thermal Management

Thermal management is crucial for maintaining system stability and performance. The ASRock B450M/AC R2.0 lacks advanced thermal management features. In contrast, the GIGABYTE X870E AORUS Elite WIFI7 is equipped with VRM and M.2 Thermal Guard, which helps prevent overheating during intensive tasks. This enhanced thermal design can lead to better overall system performance and longevity. Users planning to overclock or run demanding applications will find the GIGABYTE model's thermal features particularly beneficial.

Wireless and Networking Capabilities

The ASRock B450M/AC R2.0 does not mention any built-in wireless capabilities, which may limit networking options unless additional hardware is purchased. The GIGABYTE X870E AORUS Elite WIFI7, however, comes with integrated WIFI7 and 2.5GbE LAN, providing fast and reliable internet connectivity right out of the box. This feature is particularly advantageous for gamers and streamers who require high-speed internet access. The inclusion of advanced networking features makes the GIGABYTE model a more versatile choice for modern setups.

Warranty and Support

Warranty and support can be key factors when purchasing a motherboard. The ASRock B450M/AC R2.0 does not specify a warranty term, which may raise concerns for potential buyers. In contrast, the GIGABYTE X870E AORUS Elite WIFI7 offers a five-year warranty, providing peace of mind for customers. This extended warranty reflects the manufacturer’s confidence in the product's durability and reliability. For those looking for long-term stability, the GIGABYTE model is the safer choice.

Which should you buy?

Choosing between the ASRock B450M/AC R2.0 and the GIGABYTE X870E AORUS Elite WIFI7 ultimately depends on your needs and budget. The ASRock model, priced at $79.00, is an attractive option for those on a budget or looking for basic functionality with older AM4 processors. However, if you plan to invest in newer technology and require advanced features, the GIGABYTE X870E AORUS Elite WIFI7, priced at $275.45, offers superior performance, higher memory standards, extensive connectivity options, and a long warranty. For users focused on high-performance computing and future upgrades, the GIGABYTE model is the clear winner.