GE 24 in. Built-in Tall Tub Top Control Black Dishwasher w/Sanitize, Dry Boost, 52 dBA GDT550PGRBB vs Sharp SDW6504MS Stainless Steel Dishwasher, 24-inch Pocket Handle, 52 dB, Hybrid Tub, 12 Place Settings, 5 Cycles, Heated Dry
Updated June 2026 — GE 24 in. Built-in Tall Tub Top Control Black Dishwasher w/Sanitize, Dry Boost, 52 dBA GDT550PGRBB wins on energy efficiency and drying performance, Sharp SDW6504MS Stainless Steel Dishwasher, 24-inch Pocket Handle, 52 dB, Hybrid Tub, 12 Place Settings, 5 Cycles, Heated Dry wins on capacity and loading flexibility.
The Sharp SDW6504MS offers better value with higher capacity, superior interior construction, and a more modern design at a lower price. While the GE has a Sanitize cycle and Dry Boost, these advantages don't outweigh the Sharp's overall strengths.
Why GE 24 in. Built-in Tall Tub Top Control Black Dishwasher w/Sanitize, Dry Boost, 52 dBA GDT550PGRBB is better
Energy Efficiency
GE is ENERGY STAR certified and provides verified energy and water usage data (240 kWh/year, 3.2 gal/cycle), while Sharp lacks certification or specific metrics.
Drying Performance
GE includes a Dry Boost feature for faster, more thorough drying, giving it an edge over Sharp’s standard heated dry.
Sanitization Feature
GE features a dedicated Sanitize cycle, while Sharp only mentions a sanitization cycle without specifying its function or intensity.
Why Sharp SDW6504MS Stainless Steel Dishwasher, 24-inch Pocket Handle, 52 dB, Hybrid Tub, 12 Place Settings, 5 Cycles, Heated Dry is better
Capacity & Flexibility
Sharp accommodates 12 place settings, significantly more than GE, whose capacity is unspecified; also includes adjustable upper rack and fold-down tines.
Interior Construction
Sharp uses a hybrid tub with stainless steel interior and plastic floor, offering better durability than GE’s all-plastic tub interior.
Design & Aesthetics
Sharp features a fingerprint-resistant stainless steel exterior, pocket handle, and back-lit control panel, enhancing both appearance and usability.
Overall score
Specifications
| Spec | GE 24 in. Built-in Tall Tub Top Control Black Dishwasher w/Sanitize, Dry Boost, 52 dBA GDT550PGRBB | Sharp SDW6504MS Stainless Steel Dishwasher, 24-inch Pocket Handle, 52 dB, Hybrid Tub, 12 Place Settings, 5 Cycles, Heated Dry |
|---|---|---|
| Noise Level | 52 dBA | 52 dBA |
| Number of Cycles | 5 | 5 |
| Drying Method | Heated Dry with Dry Boost | Heated Dry |
| Interior Material | Plastic Tub | Hybrid: Stainless Steel Interior + Plastic Floor |
| Place Settings | Not Specified | 12 |
| Energy Certification | ENERGY STAR Certified | Not Specified |
| Adjustable Rack | No Mention | Yes, 2-inch height adjustment |
| Exterior Finish | Black | Fingerprint-Resistant Stainless Steel |
Dimension comparison
Price & Value Comparison
The Sharp SDW6504MS is $30.00 cheaper than the GE GDT550PGRBB, representing about 7% savings at its current price of $399.00 versus $429.00. While both models are priced competitively within the 24-inch built-in dishwasher segment, the Sharp offers a more budget-friendly entry point without sacrificing core functionality. The GE’s higher price is not matched by any measurable performance advantage in the provided data—both share identical noise levels (52 dBA), cycle counts (5 cycles), and drying methods (heated dry). For buyers prioritizing cost efficiency, the Sharp delivers comparable features at a lower upfront investment.
Noise Level & Quiet Operation
Both the GE GDT550PGRBB and the Sharp SDW6504MS operate at the same 52 dBA noise level, ensuring quiet performance ideal for open-concept kitchens or homes where dishwashing shouldn’t disrupt daily life. This shared specification means neither model has an audible advantage over the other in terms of sound output. The Sharp explicitly highlights “Library Quiet technology” as part of its design, but no additional noise-reduction details are provided beyond the stated decibel rating. Since both units meet this benchmark equally, noise performance does not differentiate one from the other in practical use.
Interior Construction & Durability
The Sharp SDW6504MS features a hybrid tub construction combining a stainless steel interior with a heavy-duty plastic floor, offering a balance between durability and cost-effectiveness. In contrast, the GE GDT550PGRBB uses a plastic tub interior, which may be less resistant to long-term wear and corrosion compared to stainless steel. While the GE’s plastic interior is functional and standard for many mid-tier models, the Sharp’s hybrid design provides a notable upgrade in material quality by incorporating stainless steel in the main wash chamber. This difference suggests the Sharp may offer better longevity and resistance to staining or warping over time.
Capacity & Loading Flexibility
The Sharp SDW6504MS accommodates 12 place settings, significantly more than the GE GDT550PGRBB, whose capacity is not specified in the provided data. However, the Sharp’s adjustable upper rack allows for a 2-inch height adjustment, enabling users to fit taller dishes and cookware with ease. Additionally, fold-down tines provide flexible loading options for various dish sizes and shapes. These features enhance usability for larger or irregularly shaped items. Without explicit capacity details for the GE model, the Sharp’s 12-place setting claim gives it a clear edge in versatility and space utilization, particularly for larger households.
Cleaning & Drying Performance
Both dishwashers offer five wash cycles, including AutoSense, Heavy, Normal, and 1-Hour options, along with a heated dry function. The GE includes a Sanitize cycle and Dry Boost feature, while the Sharp emphasizes a sanitization cycle that reduces bacteria during operation. Both models support efficient cleaning, but the GE’s Dry Boost may offer faster or more thorough drying results compared to standard heated dry. The Sharp’s heated dry is described as delivering superior drying compared to condensation drying, though no direct comparison is made to the GE’s Dry Boost. Ultimately, both models provide strong drying and cleaning capabilities, but the GE appears to have a slight edge in drying enhancement through its dedicated boost feature.
Energy Efficiency & Environmental Impact
The GE GDT550PGRBB is ENERGY STAR certified and uses approximately 240 kWh per year and 3.2 gallons per cycle, indicating measurable energy and water savings over time. The Sharp SDW6504MS does not mention energy consumption figures or certification status in its product description. However, it does include a Half Load Option, which allows users to wash smaller loads efficiently, reducing water and energy usage for everyday convenience. While the GE provides verifiable efficiency metrics, the Sharp’s half-load feature offers a practical way to conserve resources without requiring formal certification data. This makes the GE more transparent about environmental impact, but the Sharp enables user-driven conservation.
Design & User Experience
The Sharp SDW6504MS stands out with its sleek pocket handle design and fingerprint-resistant stainless steel exterior, enhancing kitchen aesthetics and ease of maintenance. Its back-lit front control panel improves visibility and usability in low-light conditions. The GE GDT550PGRBB features a top-control layout and a control lock, which prevents accidental starts—a useful safety feature for households with children. Both models include a child lock, but only the Sharp specifies a back-lit control panel. The GE lacks details on exterior finish or handle style beyond being black. The Sharp’s modern design elements and intuitive interface give it a more premium feel, especially in contemporary kitchens.
Which should you buy?
Choose the Sharp SDW6504MS if you want a quieter, more spacious, and visually refined dishwasher at a lower price. It offers 12 place settings, a 2-inch adjustable rack, fold-down tines, and a fingerprint-resistant stainless steel finish—all at $399.00, making it about 7% cheaper than the GE GDT550PGRBB. While the GE includes a Sanitize cycle and Dry Boost, these advantages don’t outweigh the Sharp’s superior capacity, better interior construction (hybrid tub), and enhanced design. Only if you specifically need the GE’s Dry Boost and prioritize a top-control layout should you consider the slightly more expensive option. For most buyers seeking value, flexibility, and modern appeal, the Sharp is the smarter choice.

