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UMOMO U-720 88 Key Digital Piano Keyboard with vs Yamaha DGX-670B, 88-Key Weighted Digital Piano

Updated August 2026 — UMOMO U-720 88 Key Digital Piano Keyboard with wins on ease of use, Yamaha DGX-670B, 88-Key Weighted Digital Piano wins on sound quality and key action.

The Yamaha DGX-670B offers superior sound quality and advanced features, making it the better choice for serious musicians, while the UMOMO U-720 is a budget-friendly option for beginners.

Why UMOMO U-720 88 Key Digital Piano Keyboard with is better

Price

UMOMO U-720 is significantly cheaper at $329.98.

Portability

UMOMO U-720 is easier to assemble and move.

Beginner Friendly

UMOMO U-720 has essential features suitable for novices.

Why Yamaha DGX-670B, 88-Key Weighted Digital Piano is better

Sound Quality

Yamaha DGX-670B features CFX Stereo Sampling for superior sound.

Features

Yamaha DGX-670B offers 630 instrument voices and 263 styles.

Learning Tools

Yamaha DGX-670B includes advanced learning features and apps.

Overall score

UMOMO U-720 88 Key Digital Piano Keyboard with
65
Yamaha DGX-670B, 88-Key Weighted Digital Piano
85

Specifications

SpecUMOMO U-720 88 Key Digital Piano Keyboard withYamaha DGX-670B, 88-Key Weighted Digital Piano
Sound QualityStandardPremium
ConnectivityUSB/MIDIUSB/MIDI
Learning FeaturesBasicAdvanced
Build QualityGoodExcellent
DesignStylishProfessional

Dimension comparison

UMOMO U-720 88 Key Digital Piano Keyboard withYamaha DGX-670B, 88-Key Weighted Digital Piano

Price Comparison

The UMOMO U-720 is priced at $329.98, making it about 56% cheaper than the Yamaha DGX-670B, which retails for $749.99. This significant price difference could be a decisive factor for beginners or casual players looking for a budget-friendly option. While the Yamaha offers advanced features and premium sound quality, the UMOMO provides essential functionalities that are adequate for novices or those who intend to play recreationally. Thus, if budget constraints are a priority, the UMOMO U-720 becomes an appealing choice.

Sound Quality

When it comes to sound quality, the Yamaha DGX-670B stands out with its CFX Stereo Sampling technology, which faithfully reproduces the sound of Yamaha's flagship CFX Full Concert Grand. This results in rich, full tones that are ideal for both practice and performance. In contrast, while the UMOMO U-720 features built-in stereo speakers and a variety of tones, it does not specify any advanced sound sampling technique like that of Yamaha. Therefore, if superior sound quality is essential for your playing experience, the Yamaha may be the better option.

Key Features

The Yamaha DGX-670B boasts a wealth of features, including a weighted keyboard action that simulates an acoustic piano, making it perfect for serious practice. It offers 630 instrument voices and 263 automatic accompaniment styles, which provide a diverse range of musical options. The UMOMO U-720, while also feature-rich, focuses on essential functions like a 3-pedal system, LCD display, and various demo songs. The emphasis on simpler, yet effective features makes the UMOMO a solid choice for beginners, while the Yamaha caters to more advanced musicians with its extensive capabilities.

Design and Build Quality

In terms of design, both keyboards have their unique aesthetics. The Yamaha DGX-670B features a sleek black finish that exudes professionalism and blends well with home décor. It is designed for a more serious musician, while the UMOMO U-720 comes in a stylish gray and includes a piano bench and stand, making it a convenient all-in-one package for beginners. Although both keyboards are visually appealing, potential buyers may prefer the Yamaha's polished look if they are serious about incorporating the instrument into a living space as a centerpiece.

Learning Features

The Yamaha DGX-670B includes innovative learning features such as a built-in microphone jack with digital vocal effects and access to Yamaha's "You Are The Artist" library, making it easier for players to learn popular songs. Furthermore, it supports music apps for enhanced learning experiences. On the other hand, the UMOMO U-720 offers 80 demo songs and a more traditional approach to learning, which may be sufficient for beginners. If you are looking for an instrument that facilitates learning with modern technology, the Yamaha would likely serve you better.

Portability

The UMOMO U-720 might be the more portable option, especially considering its design aimed at easy assembly and use. It suggests that two people can assemble it quickly, which is beneficial for those who may want to set it up in various locations. The Yamaha DGX-670B, while also portable, is heavier and more suited for a dedicated space. If you plan to move your digital piano frequently, the UMOMO U-720’s easier setup could be a significant advantage.

Connectivity Options

The UMOMO U-720 offers USB and MIDI terminal connectivity, allowing users to connect to computers or mobile devices for various music applications. This feature is particularly useful for those looking to expand their musical experience digitally. The Yamaha DGX-670B also includes modern connectivity options but is more focused on its built-in features and sound capabilities. While both keyboards provide good connectivity, the UMOMO may appeal more to tech-savvy users looking to integrate their piano with software.

Which should you buy?

In conclusion, the choice between the UMOMO U-720 and the Yamaha DGX-670B largely depends on your needs and budget. If you're a beginner or casual player seeking a budget-friendly option without the need for extensive features, the UMOMO U-720 at $329.98 is a fantastic choice. However, if sound quality, advanced features, and a richer learning experience are priorities for you, the Yamaha DGX-670B, despite its higher price of $749.99, is worth the investment.