Sharp SDW4523MS 18-Inch Built-In Dishwasher, vs SPT SD-6501W 24″-wide Built-In Stainless Steel
Updated July 2026 — SPT SD-6501W 24″-wide Built-In Stainless Steel leads on weight and noise.
The Sharp SDW4523MS offers advanced features and quieter operation, while the SPT SD-6501W provides a larger capacity at a lower price. Choose based on your specific needs.
Why Sharp SDW4523MS 18-Inch Built-In Dishwasher, is better
Noise Level
Sharp operates at a quieter 47 dB compared to SPT's 55 dB.
Advanced Features
Sharp includes smart sensors and a Wash Zone option.
Design
Sharp has a sleek, fingerprint-resistant stainless steel finish.
Why SPT SD-6501W 24″-wide Built-In Stainless Steel is better
Price
SPT is significantly cheaper at $447.55.
Capacity
SPT accommodates up to 14 place settings.
Energy Efficiency
SPT is Energy Star certified.
Overall score
Specifications
| Spec | Sharp SDW4523MS 18-Inch Built-In Dishwasher, | SPT SD-6501W 24″-wide Built-In Stainless Steel |
|---|---|---|
| Wash Cycles | 6 | 6 |
| Drying Type | Auto Door Open | Heated Drying |
| Interior | Stainless Steel | Stainless Steel |
| Control Type | Touch Controls | Manual Controls |
| Smart Features | Yes | No |
Dimension comparison
Price Comparison
When it comes to pricing, the Sharp SDW4523MS is significantly more expensive than the SPT SD-6501W. The Sharp model is priced at $799.00, while the SPT model is available for $447.55, making the SPT about 44% cheaper. This considerable price difference may influence buyers who are budget-conscious or those looking for a straightforward dishwasher solution without breaking the bank. While the Sharp dishwasher offers advanced features that justify its higher price, the SPT model provides solid performance at a much lower cost.
Design and Build Quality
The design of the Sharp SDW4523MS is sleek and modern, featuring a stainless steel interior and a fingerprint-resistant exterior. This design not only enhances aesthetics but also ensures durability and easy maintenance. In contrast, the SPT SD-6501W also has a stainless steel interior but comes in a white finish, which may not appeal to everyone. With a compact 18-inch design, the Sharp is ideal for smaller kitchens, while the SPT is a larger 24-inch model, making it suitable for bigger households. Ultimately, the choice of design depends on the kitchen space and personal style preferences.
Capacity and Load Options
The Sharp SDW4523MS can handle up to 8 place settings, equipped with a convenient third rack for organizing flatware and serving utensils. This makes it a great option for smaller households or kitchens with limited space. On the other hand, the SPT SD-6501W boasts a larger capacity, accommodating up to 14 standard plate settings, making it ideal for larger families or those who frequently entertain guests. The presence of two dish racks in the SPT model allows for more versatile loading options, while the third rack in the Sharp enhances its functionality for smaller loads.
Wash Programs and Flexibility
The Sharp SDW4523MS features 6 wash cycles, including smart sensors that optimize cleaning performance based on the load. It also offers a Wash Zone option, allowing users to run either the upper or lower rack independently, which is particularly useful for smaller loads. In comparison, the SPT SD-6501W also offers 6 wash programs, including Heavy, Normal, Light, Eco, Glass, and Rinse. This range of options provides flexibility for different cleaning needs, although it lacks the advanced sensor technology found in the Sharp model. Both dishwashers cater well to various washing requirements, but the Sharp provides a bit more sophistication with its smart features.
Noise Level
Noise level is an essential factor for many consumers, especially for those with open-concept living spaces. The Sharp SDW4523MS operates at a remarkably quiet 47 dB, making it one of the quieter models available, allowing users to run cycles without disturbing the household. Meanwhile, the SPT SD-6501W has a noise level of 55 dB, which is slightly louder but still manageable for most kitchens. If a tranquil environment during wash cycles is a priority, the Sharp model clearly stands out in this category.
Energy Efficiency
Energy efficiency is crucial for reducing utility bills and environmental impact. The Sharp SDW4523MS comes equipped with features that optimize water and energy use, including smart sensors. Although specific energy ratings are not provided, the model is designed to be efficient. In comparison, the SPT SD-6501W is Energy Star certified, which means it meets or exceeds federal guidelines for energy efficiency. This certification signifies that the SPT model is designed for year-round energy savings, making it a practical choice for environmentally conscious consumers.
Maintenance and Error Notifications
Maintenance features can significantly enhance user experience. The Sharp SDW4523MS includes backlit touch controls with adaptive option indication, making it easy to operate and monitor. It also features an Auto Door Open mechanism to improve drying efficiency. The SPT SD-6501W is equipped with an error alarm that displays fault codes and a rinse aid warning indicator, which serves as a refill reminder. While both models have their maintenance advantages, the Sharp offers a more advanced control interface, while the SPT focuses on practical error management.
Which should you buy?
Choosing between the Sharp SDW4523MS and the SPT SD-6501W largely depends on your specific needs and budget. If you require a compact, high-performance dishwasher with advanced features and a quiet operation, the Sharp model may be worth the investment at $799.00. However, if you are looking for a more economical option with a larger capacity and solid performance, the SPT model at $447.55 is a commendable choice. Ultimately, both dishwashers have their unique strengths, so consider your kitchen space, budget, and washing needs before making a decision.

