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Sharp SDW6506JS 24-inch Stainless Steel vs Whirlpool WDP540HAMZ

Updated July 2026 — Sharp SDW6506JS 24-inch Stainless Steel wins on sales rank and price, Whirlpool WDP540HAMZ wins on noise.

The Sharp SDW6506JS offers quieter operation and a versatile loading system, while the Whirlpool WDP540HAMZ is more budget-friendly with a unique cleaning cycle. Your choice depends on whether you prioritize noise level or cost.

Why Sharp SDW6506JS 24-inch Stainless Steel is better

Noise Level

Sharp operates at 49 dB, quieter than Whirlpool's 55 dB.

Third Rack

Sharp includes a specialized third rack for better organization.

Design

Sharp has a fingerprint-resistant finish for easier maintenance.

Why Whirlpool WDP540HAMZ is better

Price

Whirlpool is priced at $459, making it more affordable.

Boost Cycle

Whirlpool features a Boost Cycle for tough messes.

Sales Rank

Whirlpool has a better sales rank at 874 compared to Sharp's 1524.

Overall score

Sharp SDW6506JS 24-inch Stainless Steel
85
Whirlpool WDP540HAMZ
78

Specifications

SpecSharp SDW6506JS 24-inch Stainless SteelWhirlpool WDP540HAMZ
BrandSharpWhirlpool
ModelSDW6506JSWDP540HAMZ
Price$499.00$459.00
Noise Level49 dB55 dB
Place Settings1212
Wash Cycles55
Third RackYesNo

Dimension comparison

Sharp SDW6506JS 24-inch Stainless SteelWhirlpool WDP540HAMZ

Price Comparison

When comparing prices, the Sharp SDW6506JS is listed at $499.00, while the Whirlpool WDP540HAMZ is priced at $459.00, making the Whirlpool about 8% cheaper. This price difference may influence budget-conscious consumers looking for efficient dishwashing solutions. Both models offer similar capacities of 12 place settings, but the lower price of the Whirlpool makes it an attractive option for those seeking value without sacrificing functionality.

Noise Levels

The Sharp SDW6506JS operates at a library-quiet 49 dB, making it one of the quieter options available. In contrast, the Whirlpool WDP540HAMZ runs at 55 dB. While both models are designed for quiet operation, the Sharp is significantly quieter, which could be a deciding factor for users who prioritize a peaceful kitchen environment. The 6 dB difference means the Sharp may be less intrusive during meal times or late-night cycles.

Washing Capacity

Both dishwashers boast a capacity of 12 place settings, making them suitable for medium-sized households. However, the Sharp SDW6506JS features a unique third rack specifically designed for silverware and cooking utensils, enhancing its versatility in loading. This additional rack can help optimize space and improve organization during washes. While the Whirlpool also offers a practical design with nylon-coated racks, it does not include this specialized third rack, which could be a drawback for users looking for more efficient loading options.

Cleaning Technology

The cleaning capabilities of both dishwashers are impressive, with each model featuring advanced washing systems. The Sharp SDW6506JS utilizes a hybrid tub that combines stainless steel walls with a durable plastic floor, along with three washing sprayers for thorough cleaning. On the other hand, the Whirlpool WDP540HAMZ is equipped with a triple filtration wash system that retains cleanliness throughout the wash cycle. This means less food redepositing on dishes, which is a notable feature. However, the Sharp’s multiple sprayers may deliver a more extensive clean, particularly for heavily soiled items.

Wash Cycles and Options

The Sharp SDW6506JS offers five washing cycles, including options tailored for delicate glasses and heavily soiled pots, enhancing its versatility. Similarly, the Whirlpool WDP540HAMZ also provides five wash cycles, including a Boost Cycle that’s specifically designed for tough messes. This allows users to tackle stubborn, dried-on food effectively. While both models offer excellent washing features, the unique Boost Cycle of the Whirlpool provides an edge in dealing with heavy-duty cleaning tasks.

Ease of Use

Ease of use is crucial in choosing a dishwasher, and both models are designed with user-friendly controls. The Sharp SDW6506JS has front-mounted touch controls with a child lock feature to prevent accidental operation, adding an extra layer of safety. Conversely, the Whirlpool WDP540HAMZ features a Cycle Memory that remembers the last selected cycle, allowing for one-button operation on subsequent uses. While both options are practical, the child lock feature in the Sharp could be particularly appealing for families with children.

Design and Aesthetics

In terms of design, both dishwashers feature a sleek appearance that can complement modern kitchens. The Sharp SDW6506JS has a stainless steel finish that is fingerprint-resistant, keeping it looking pristine even with regular use. The Whirlpool WDP540HAMZ also sports a stylish design with a dark gray interior that helps conceal stains. While both options are visually appealing, the fingerprint-resistant finish of the Sharp may require less maintenance, making it an easier choice for busy households.

Which should you buy?

Choosing between the Sharp SDW6506JS and the Whirlpool WDP540HAMZ ultimately depends on your specific needs and preferences. If quiet operation and a versatile loading system are your top priorities, the Sharp might be the better choice despite its higher price. Conversely, if you are looking for a more budget-friendly option with a unique cleaning cycle for tough messes, the Whirlpool offers excellent value. Each model excels in different areas, making your decision hinge on whether you prioritize noise level, cleaning versatility, or budget.