Blomberg DWT51600FBI vs SPT SD-6501W 24″-wide Built-In Stainless Steel
Updated July 2026 — SPT SD-6501W 24″-wide Built-In Stainless Steel leads on noise and depth.
The Blomberg DWT51600FBI offers superior quiet operation and advanced features, while the SPT SD-6501W is a budget-friendly option with essential capabilities.
Why Blomberg DWT51600FBI is better
Noise Level
Blomberg operates at 48 dBA, quieter than SPT's 55 dBA.
Energy Efficiency
Blomberg recognized as ENERGY STAR Partner of the Year.
Design
Blomberg has a sleek, panel-ready design.
Why SPT SD-6501W 24″-wide Built-In Stainless Steel is better
Price
SPT is significantly cheaper at $447.55.
Drying Feature
SPT includes a heated drying function.
Capacity
Both models accommodate up to 14 place settings.
Overall score
Specifications
| Spec | Blomberg DWT51600FBI | SPT SD-6501W 24″-wide Built-In Stainless Steel |
|---|---|---|
| Wash Programs | 6 | 6 |
| Drying Method | Static | Heated |
| Energy Star | Yes | Yes |
| Sales Rank | 3128 | 5011 |
| Warranty | 1 Year | 1 Year |
Dimension comparison
Overview of the Dishwashers
When comparing the Blomberg DWT51600FBI and the SPT SD-6501W, the most immediate difference is price. At $894.99, the Blomberg is approximately 99% more expensive than the SPT, which is priced at $447.55. This significant price gap reflects the different features and technologies each dishwasher offers, making it essential to assess which model aligns better with your needs and budget.
Design and Build Quality
The Blomberg DWT51600FBI features a sleek, panel-ready design that integrates seamlessly into any kitchen environment, while the SPT SD-6501W has a modern stainless steel finish. The Blomberg's design emphasizes quiet operation with sound insulation, making it one of the quietest on the market at 48 dBA. In contrast, the SPT operates at a slightly louder 55 dBA but still offers a tall tub and stainless steel interior for durability. The choice between these two designs may depend on your aesthetic preferences and the importance of noise level in your home.
Wash Programs and Performance
In terms of wash programs, the Blomberg offers six distinct settings, including specialized options like Pots and Pans Plus and China/Crystal, ensuring versatility for various dishwashing needs. The SPT also features six wash programs, including Heavy, Normal, Light, and Eco settings, making it capable of handling a range of loads. Both models can accommodate up to 14 place settings, making them suitable for larger households. However, the specific wash programs of each may cater to different user preferences, particularly for those with delicate dishware.
Energy Efficiency
Energy efficiency is a hallmark of both models. The Blomberg has been recognized with the ENERGY STAR 2018 Partner of the Year Award, indicating its commitment to energy conservation. The SPT also meets or exceeds federal guidelines for energy efficiency, making it a cost-effective option for the environmentally conscious. While both models promise savings on energy bills, the Blomberg's accolades suggest a slightly superior efficiency performance.
Drying Capabilities
The Blomberg features a static drying method, while the SPT boasts a heated drying function designed to enhance drying efficiency. This could be a significant factor for users who prioritize quick and effective drying of their dishes. The additional heated drying feature on the SPT may lead to less moisture on dishes when unloading, which can be particularly beneficial for busy households that need to put away clean dishes quickly.
Noise Levels
Noise levels are a critical consideration for any dishwasher, especially in open-concept homes. The Blomberg operates at a quiet 48 dBA, making it suitable for running during the day without disrupting household activities. On the other hand, the SPT operates at 55 dBA, which is still manageable but noticeably louder. For those sensitive to noise, the Blomberg is the better option, while the SPT may suffice for users who typically run their dishwasher at night.
Maintenance and Alerts
Both dishwashers provide useful features for maintenance and alerts. The Blomberg includes an advanced double motion float system that prevents water damage and offers a high level of safety. The SPT features an error alarm that displays fault codes, helping users identify issues quickly. While both models offer different approaches to maintenance, the Blomberg's enhanced leak detection system may offer additional peace of mind.
Which should you buy?
Choosing between the Blomberg DWT51600FBI and the SPT SD-6501W ultimately depends on your specific needs and budget. If you prioritize quiet operation, advanced features, and a more integrated design, the Blomberg may be worth the investment at $894.99. However, if you are looking for a more budget-friendly option that still offers essential features and energy efficiency at $447.55, the SPT is a solid choice. Consider your household's dishwashing habits, noise tolerance, and design preferences to make the most informed decision.

