X670 vs B650 – Which AMD AM5 Chipset Is Right for You?

The X670 and B650 are two of the latest motherboard chipsets from AMD that are compatible with the new Ryzen 7000 desktop processors. Both chipsets offer a range of features and options that cater to different user needs. However, there are some key differences between the two that you should be aware of before making a decision. Here’s a detailed comparison between the X670 and B650 chipsets for AMD AM5 processors:


#1 AMD X670 Specs & Features in A Nutshell

Aimed at high-end users, especially enthusiasts and gamers seeking top-tier performance.

i) PCIe 5.0 Support

Offers full support for PCIe 5.0, ensuring compatibility with the fastest SSDs and graphics cards.

ii) Overclocking Capabilities

Designed for overclocking, allowing users to push their CPUs and memory to higher performance levels.

iii) Increased Connectivity Options

Comes with more USB ports, including several USB 3.2 Gen 2 ports, for enhanced connectivity.

iv) Dual Chipset Design

Often comes in a dual-chipset configuration, enhancing bandwidth and providing more lanes for peripherals.

v) Higher Power Delivery

Capable of delivering more power to the CPU, which is beneficial for high-performance processors.

vi) Compatibility

Supports the latest Ryzen processors, offering improved performance and efficiency.

#2 AMD B650 Specs & Features in A Nutshell

Geared towards mainstream users who need good performance at a more affordable price point.

i) PCIe 5.0 Support

Partial support for PCIe 5.0, typically for primary NVMe SSD slots and possibly for the primary PCIe slot.

ii) Efficient Power Delivery

Designed to efficiently power mid-range CPUs, balancing performance and power consumption.

iii) Connectivity

Adequate USB and SATA ports for typical usage, but fewer than the X670.

iv) Single Chipset Design

Unlike the X670, it typically comes in a single-chipset configuration.

v) Overclocking Support

Offers limited overclocking support compared to the X670.

vi) Processor Compatibility

Compatible with the latest Ryzen processors, ensuring good performance and efficiency for mainstream computing needs.

Both chipsets are part of AMD’s commitment to providing a range of options for different user needs, from high-end gaming and content creation to everyday computing tasks.

vii) PCI Express Support

One of the most significant differences between the X670 and B650 chipsets is their support for PCI Express. The X670 chipset supports both PCI Express 4.0 and 5.0, while the B650 chipset only supports PCI Express 4.0. This means that the X670 chipset can provide faster data transfer rates than the B650 chipset.

viii) USB Ports

Another difference between the two chipsets is the number of USB ports they support. The X670 chipset supports up to 12 SuperSpeed USB 10 Gbps ports and two SuperSpeed USB 20 Gbps ports, while the B650 chipset supports up to eight SuperSpeed USB 10 Gbps ports and no SuperSpeed USB 20 Gbps ports. This means that the X670 chipset provides more USB connectivity options than the B650 chipset.

#3 Additional Features

The X670 chipset also offers some additional features that are not available on the B650 chipset. For example, the X670 chipset supports up to 24 direct processor PCI Express 5.0 lanes, while the B650 chipset only supports up to 16 direct processor PCI Express 4.0 lanes. The X670 chipset also supports up to 12 PCIe 4.0 lanes and eight PCIe 3.0 lanes, while the B650 chipset only supports up to eight PCIe 4.0 lanes and four PCIe 3.0 lanes.

i) Price

The price is another factor to consider when choosing between the X670 and B650 chipsets. The X670 chipset is generally more expensive than the B650 chipset due to its additional features and support for PCI Express 5.0. However, the price difference may not be significant enough to justify the additional cost for some users.

#4 AMD X670 Motherboard Detailed Overview

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The AMD X670 chipset emerges as a powerful contender in the high-end motherboard market, catering to enthusiasts and power users. Its design and features reflect AMD’s commitment to pushing the boundaries of performance and connectivity.

AMD X670 Motherboard Video Review


One of the standout features of the X670 is its full support for PCIe 5.0. This is a significant step forward, as PCIe 5.0 doubles the bandwidth compared to PCIe 4.0, making the X670 an ideal choice for those who demand the fastest SSDs and top-tier graphics cards. The inclusion of PCIe 5.0 positions the X670 as future-proof, ready to handle upcoming advancements in storage and graphics technology.

Overclocking capabilities are another highlight. The X670 is engineered to squeeze extra performance out of CPUs and memory modules, a feature that will undoubtedly appeal to gamers and content creators who need that extra edge in performance. This ability to overclock provides users with the flexibility to tailor their system’s performance to their specific needs and preferences.

Connectivity is another area where the X670 shines. It offers an abundance of USB ports, including several high-speed USB 3.2 Gen 2 ports. This abundance and variety of ports ensure that users can connect a wide range of peripherals without the need for additional expansion cards. The chipset’s focus on connectivity extends to its dual chipset design, which enhances bandwidth and provides more lanes for peripherals. This design choice demonstrates AMD’s understanding of the needs of advanced users who often work with multiple high-bandwidth devices simultaneously.

The power delivery system of the X670 is robust, designed to handle high-performance processors efficiently. This aspect is crucial for maintaining system stability and performance, especially under heavy loads or during intense gaming sessions. The chipset’s ability to deliver more power supports the latest Ryzen processors, ensuring users can take full advantage of their capabilities.

A potential downside, however, is the likely higher cost associated with the X670 motherboards, reflecting its positioning as a high-end option. This cost factor might make it less accessible to budget-conscious users, but for those who need the performance and features it offers, the investment could be well worth it.

The AMD X670 chipset stands out as a strong option for users who require top-of-the-line performance, extensive connectivity options, and robust power delivery. Its future-proof design, with full PCIe 5.0 support and superior overclocking capabilities, makes it a compelling choice for gamers, content creators, and other power users who demand the best from their computing hardware.

#5 AMD B650 Motherboard Detailed Overview 

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The AMD B650 chipset represents a strategic blend of performance and affordability in the motherboard market, aimed primarily at mainstream users. This chipset strikes a balance between advanced features and cost, making it an appealing choice for a wide range of users.

AMD B650 Roundup – 35 Motherboards Tested, Complete Buying Guide


A key feature of the B650 is its partial support for PCIe 5.0, primarily for the primary NVMe SSD slot. This inclusion is significant, as it offers users access to the latest storage technology, ensuring faster data transfer speeds and improved overall system responsiveness. While it may not support PCIe 5.0 for all slots like its X670 counterpart, this focused implementation serves the needs of most mainstream users without the added cost of full PCIe 5.0 support.

The B650’s efficient power delivery system is tailored to mid-range processors. This efficiency is crucial for balancing performance with power consumption, ensuring that the system runs smoothly without unnecessary energy waste. It’s an important consideration for users who want a system that performs well but also keeps energy costs in check.

Connectivity options on the B650 are adequate for typical use, offering a sufficient number of USB and SATA ports. While it doesn’t boast the extensive connectivity of the X670, it provides enough ports to meet the needs of most users, ensuring that essential peripherals can be connected without hassle.

The single chipset design of the B650, as opposed to the dual chipset configuration of the X670, reflects its positioning as a more budget-friendly option. This design choice is a practical one, providing sufficient bandwidth and performance for mainstream applications without the complexity and cost of a dual chipset setup.

While the B650 offers limited overclocking support compared to the X670, it still provides some flexibility for users to enhance their system’s performance. This feature is a boon for those who dabble in overclocking but don’t necessarily require the extensive capabilities provided by higher-end chipsets.

Compatibility with the latest Ryzen processors ensures that the B650 can deliver good performance and efficiency. This compatibility is a key factor for users looking to build a system that can handle everyday computing tasks and some level of gaming or content creation.

The B650 chipset emerges as a smart choice for users who need a balance between cost and performance. Its focus on providing essential features like partial PCIe 5.0 support and efficient power delivery, combined with adequate connectivity and compatibility with the latest processors, makes it a fitting option for mainstream users. While it may not offer the high-end features of more expensive chipsets, it delivers a solid, cost-effective platform suitable for a wide range of computing needs.

The X670 chipset is the better option if you require faster data transfer rates and more USB connectivity options. It also offers more direct processor PCI Express lanes and additional PCIe lanes than the B650 chipset. However, if you are on a budget and do not require the additional features offered by the X670 chipset, the B650 chipset is a good alternative.

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Daniel Trugough is a visionary writer, exploring the fascinating world of modern PC builds and emerging technologies through his insightful and thought-provoking works.

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