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Casio CDP-S360 88-Key Compact Digital Piano - vs Casio Privia PX-870 – 88-Key Weighted Console

Updated August 2026 — full head-to-head comparison.

Design and Aesthetics

When it comes to design, the Casio CDP-S360 and the Casio Privia PX-870 both offer sleek and modern aesthetics, but differ significantly in their overall form. The CDP-S360 features a slim body design with a depth of just 232 mm, making it a compact option for those with limited space. Its minimalist black or red color schemes provide a simple yet elegant look. In contrast, the PX-870 boasts a stylish console design with a sliding key cover, giving it a more traditional piano appearance. This model is designed to complement various decors, making it a great fit for living spaces. Ultimately, the choice between the two comes down to personal preference regarding form factor.

Sound Quality

The sound quality of the two instruments is where they really start to distinguish themselves. The Casio PX-870 features the advanced AiR Sound Source, providing rich detail and immersive sound with its powerful 40W 4-speaker system. This model excels in delivering the authenticity of a grand piano, complete with advanced damper and string resonance. The CDP-S360, while also providing good sound quality with 700 tones and 200 rhythms, relies on a stereo speaker system that may not fill a room as effectively as the PX-870's sound projection system. If you prioritize immersive sound experience, the PX-870 is the better choice.

Key Action and Feel

In terms of key action, the Casio PX-870 employs the Tri-Sensor II Scaled Hammer Action, which offers an authentic touch with simulated ebony and ivory textures. This setup provides excellent dynamic control and responsiveness, essential for expressive playing. Conversely, the CDP-S360 features the Scaled Hammer Action Keyboard II, which offers a similar feel but is designed for compactness. While both keyboards aim to replicate the experience of playing a grand piano, the PX-870's key action is generally regarded as superior due to its more advanced technology. For players who prioritize a realistic piano feel, the PX-870 would be the preferable option.

Features and Functionality

The functional differences between the two models are notable. The CDP-S360 includes a built-in MIDI recorder with a 6-track capacity, making it an excellent tool for composers and learners alike. It also features app connectivity via the Casio Music Space app, allowing users to adjust settings and explore additional features seamlessly. The PX-870, however, offers built-in duet mode, dual headphone jacks, and 60 songs to facilitate practicing and learning. It also includes a 2-track MIDI recorder and Concert Play features, which allow users to play along with orchestral backing tracks. While both models are equipped for learning and creativity, the PX-870 provides more comprehensive features for serious students.

Portability

If portability is a key factor for your decision, the Casio CDP-S360 is exceptionally lightweight, weighing only 24 lbs and capable of running on six AA batteries. This makes it ideal for musicians who need to transport their piano frequently for gigs or practice sessions. The PX-870, while stylish and feature-rich, is heavier and less portable, focusing more on providing a stationary playing experience. For those who prioritize convenience and mobility in their musical endeavors, the CDP-S360 stands out as the more practical choice.

Price Point

In terms of pricing, the Casio CDP-S360 is currently priced at $669.99, making it about 17% cheaper than the Casio PX-870, which retails for $999.00. This price difference can be significant for many buyers, especially those on a budget or looking for good value in entry-level digital pianos. While the PX-870 offers enhanced features and sound quality, the CDP-S360 provides an economical option for those who still want a quality digital piano experience without breaking the bank.

Sales Rank and Popularity

When examining popularity, the CDP-S360 has a bestseller rank of 18,774, while the PX-870 ranks slightly higher at 14,122. This indicates that the PX-870 may be favored by more consumers, possibly due to its enhanced features and performance capabilities. However, the CDP-S360's lower price point may contribute to its appeal among budget-conscious buyers. Understanding these rankings can help guide prospective buyers in their decision-making process.

Which should you buy?

Choosing between the Casio CDP-S360 and the Casio Privia PX-870 ultimately depends on your needs and preferences. If you prioritize portability, a lower price point, and essential features for learning, the CDP-S360 is a strong contender. However, if sound quality, key action, and additional features for practice and performance are your main concerns, the PX-870 would be the better investment. Each model has its strengths, so consider what aspects matter most to you in your digital piano experience.