ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz vs GIGABYTE Z890 AORUS Master Intel Core Ultra LGA
Updated August 2026 — GIGABYTE Z890 AORUS Master Intel Core Ultra LGA leads on price and networking.
The GIGABYTE Z890 AORUS Master offers superior features and performance, making it the better choice for high-end users, while the ASRock B860 Pro RS is a solid budget option.
Why ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz is better
Price
ASRock is $150 cheaper.
Audio
ASRock features Nahimic Audio.
Power Phase
ASRock has a simpler power design.
Why GIGABYTE Z890 AORUS Master Intel Core Ultra LGA is better
Power Design
GIGABYTE has an 18+1+2 phase design.
Storage Options
GIGABYTE offers 5 M.2 slots.
Networking
GIGABYTE includes WiFi 7 and 10GbE LAN.
Overall score
Specifications
| Spec | ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz | GIGABYTE Z890 AORUS Master Intel Core Ultra LGA |
|---|---|---|
| Power Phase | 10+1+1+1+1 | 18+1+2 |
| Memory Speed | 8666 MHz | XMP Support |
| M.2 Slots | 4 | 5 |
| Thunderbolt | 1 | 2 |
| Audio Codec | Realtek ALC1220 | Not specified |
Dimension comparison
Price Comparison
When it comes to pricing, the ASRock B860 Pro RS is significantly cheaper than the GIGABYTE Z890 AORUS Master. The ASRock board is currently priced at $129.99, while the GIGABYTE model retails for $279.99, making it about 117% more expensive. This price difference can be a crucial factor for budget-conscious consumers looking to build a powerful yet cost-effective system without sacrificing essential features.
Performance and Power Design
The ASRock B860 Pro RS features a robust 10+1+1+1+1 phase power design, while the GIGABYTE Z890 AORUS Master boasts an even more advanced 18+1+2 configuration. This means that the GIGABYTE motherboard is designed to handle higher power demands, making it more suitable for overclocking and supporting demanding applications. The GIGABYTE's 110A Smart Power Stage also provides enhanced stability, which could be essential for high-performance tasks.
Memory Support
In terms of memory support, both motherboards accommodate DDR5 and can handle up to four DIMMs. However, the ASRock B860 Pro RS supports memory speeds up to 8666 MHz (OC), while the GIGABYTE Z890 AORUS Master offers XMP memory module support, ensuring optimized performance for compatible RAM. This gives the GIGABYTE a slight edge in terms of compatibility and performance tuning, which may appeal to enthusiasts looking to push their memory to its limits.
Storage Options
For storage capabilities, the GIGABYTE Z890 AORUS Master offers more flexibility with five M.2 slots compared to the ASRock's four. This allows for more SSD options, which is crucial for users aiming for high-speed data access and extensive storage solutions. Additionally, the GIGABYTE includes VRM Thermal Armor and M.2 Thermal Guard, ensuring better thermal management for your drives, which is a significant consideration for high-performance builds.
Connectivity Features
Connectivity is another area where the GIGABYTE Z890 AORUS Master shines with dual Thunderbolt 4 ports, which provide exceptional data transfer rates. In comparison, the ASRock B860 Pro RS includes a single Thunderbolt 4 Type-C port alongside several USB options. While both motherboards support modern connectivity standards, the GIGABYTE’s enhanced options offer greater versatility, particularly for users who require multiple high-speed connections.
Networking Capabilities
When it comes to networking, the GIGABYTE Z890 AORUS Master leads with WiFi 7 and a 10GbE LAN, making it ideal for high-speed internet connections and gaming. On the other hand, the ASRock B860 Pro RS features WiFi 6E and a standard Realtek 2.5G LAN. For users who prioritize the fastest possible network speeds, especially in gaming or large file transfers, the GIGABYTE clearly has the advantage.
Audio Quality
Audio capabilities are also noteworthy, with the ASRock B860 Pro RS featuring a Realtek ALC1220 7.1 CH HD Audio Codec with Nahimic Audio, promising immersive sound quality. The GIGABYTE Z890 AORUS Master has not specified its audio codec, but it is designed for high-performance setups, suggesting robust audio support as well. For audio enthusiasts, the ASRock may offer a slight edge, but the definitive quality would depend on user preferences and specific use cases.
Which should you buy?
Choosing between the ASRock B860 Pro RS and the GIGABYTE Z890 AORUS Master ultimately comes down to your specific needs and budget. If you’re looking for a more affordable option that still offers solid performance and essential features, the ASRock B860 Pro RS at $129.99 is an excellent choice. However, if you require advanced power delivery, superior connectivity options, and extensive storage capabilities, the GIGABYTE Z890 AORUS Master, while significantly pricier at $279.99, offers features that cater to high-end users and gamers. In essence, your decision should reflect the performance level you seek and the budget you are willing to allocate for your build.

