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Donner DDP-90 Pro Digital Piano, 88 Key Weighted vs Yamaha DGX-670B, 88-Key Weighted Digital Piano

Updated August 2026 — Donner DDP-90 Pro Digital Piano, 88 Key Weighted wins on portability, Yamaha DGX-670B, 88-Key Weighted Digital Piano wins on sound and features.

The Yamaha DGX-670B offers superior sound quality and features, making it a better choice for experienced players, while the Donner DDP-90 Pro is a budget-friendly option for beginners.

Why Donner DDP-90 Pro Digital Piano, 88 Key Weighted is better

Price

Donner is $250 cheaper than Yamaha.

Portability

Donner is smaller and lighter.

Beginner Friendly

Donner has features tailored for beginners.

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

Sound Quality

Yamaha has superior CFX Stereo Sampling.

Features

Yamaha offers 630 instrument voices.

Keyboard Action

Yamaha has nuanced weighted action.

Overall score

Donner DDP-90 Pro Digital Piano, 88 Key Weighted
70
Yamaha DGX-670B, 88-Key Weighted Digital Piano
85

Specifications

SpecDonner DDP-90 Pro Digital Piano, 88 Key WeightedYamaha DGX-670B, 88-Key Weighted Digital Piano
Price$499.99$749.99
Tones238630
Rhythms200263
Keys8888
Polyphony128256

Dimension comparison

Donner DDP-90 Pro Digital Piano, 88 Key WeightedYamaha DGX-670B, 88-Key Weighted Digital Piano

Price Comparison

The Donner DDP-90 Pro Digital Piano is priced at $499.99, making it about 17% cheaper than the Yamaha DGX-670B, which retails for $749.99. For beginners or those on a budget, the lower price point of the DDP-90 Pro may be more appealing. However, potential buyers should consider what features are essential for their playing experience. The price difference could be justified by the additional features and sound quality offered by the Yamaha, depending on the player's needs and preferences.

Sound Quality

In terms of sound quality, the Yamaha DGX-670B excels with its CFX Stereo Sampling, which captures the essence of Yamaha's flagship CFX Full Concert Grand piano. This technology provides a rich, full tone that many players seek. In comparison, the Donner DDP-90 Pro offers quality sound samples from real acoustic grand pianos, but it may not match the depth and resonance found in the Yamaha's sound engine. For those prioritizing sound fidelity, the Yamaha may be the preferred choice.

Keyboard Action

The Yamaha DGX-670B features a weighted keyboard action that is heavier in the lower keys and lighter in the higher keys, closely mimicking the feel of an acoustic piano. This design is particularly beneficial for practice and performance. Meanwhile, the Donner DDP-90 Pro also boasts a hammer action weighted keyboard with 88 full-sized responsive keys, ensuring a good playing experience for beginners. While both keyboards provide a weighted touch, the Yamaha's nuanced action may be more satisfying for seasoned players.

Features and Functionality

The Yamaha DGX-670B comes equipped with a variety of features, including 630 instrument voices and 263 automatic accompaniment styles. These capabilities allow for a more versatile playing experience, creating the feeling of playing in a live band. The Donner DDP-90 Pro, while offering 238 tones and 200 rhythms, may not provide the same level of variety or adaptability in performance situations. For musicians looking to explore different styles and sounds, the Yamaha's extensive feature set could be a significant advantage.

Portability

The Donner DDP-90 Pro is designed with portability in mind, being smaller and lighter than traditional pianos, which makes it ideal for compact living spaces. Its thoughtful design allows for easy transport and setup, appealing to beginners who may need to move their instrument frequently. The Yamaha DGX-670B, while still portable, does not emphasize compactness to the same extent. Those who prioritize ease of movement may find the Donner a more suitable choice.

Learning and Practice Tools

Both digital pianos offer features aimed at aiding practice and learning. The Yamaha DGX-670B includes a built-in microphone jack for vocal effects and access to the Yamaha You Are The Artist library, which can enhance the learning experience with popular songs. On the other hand, the Donner DDP-90 Pro includes a headphone mode, allowing for quiet practice sessions without disturbing others. While both instruments provide valuable tools for learning, the Yamaha's additional resources may better support a comprehensive learning journey.

Design and Aesthetics

The aesthetic appeal of a digital piano can influence a buyer's decision, and both models offer modern designs that can fit well in various home environments. The Yamaha DGX-670B has a sleek black finish and comes with a music rest and sustain foot switch, although the furniture stand is sold separately. The Donner DDP-90 Pro is designed to fit compact spaces while maintaining a contemporary look. Buyers should consider which design aligns better with their personal taste and living space.

Which should you buy?

Choosing between the Donner DDP-90 Pro and the Yamaha DGX-670B ultimately depends on individual needs and preferences. The DDP-90 Pro offers a more budget-friendly option with essential features suitable for beginners, while the DGX-670B provides superior sound quality and a richer array of features, making it a solid choice for more experienced players. If price is the primary concern, the Donner is an excellent starting point. However, for those who value advanced features and sound fidelity, the Yamaha is worth the investment.