Which is better for tea?

The KLF05RDUS, because its presets cover 40°C to 100°C, which suits green, white and oolong teas. The 50's Retro has variable temperature control but no published preset list.

Is the KLF05RDUS worth the savings over the 50's Retro?

Yes for most shoppers. It is $20 cheaper at current prices and adds a water meter and cordless base. You give up the keep-warm function and 100 W of power.

Which one keeps water warm?

Only the 50's Retro lists a keep-warm function. The KLF05RDUS has no keep-warm feature listed, so reboil if you want hot water later.

Yes. Both are listed at 7 cups, and the KLF05RDUS specifies 1.7 L. The 50's Retro's liter capacity is not listed.

Which has better shopper ratings?

The KLF05RDUS, at 4.8 out of 5 from 656 ratings. No rating is given for the 50's Retro.

Will the KLF05RDUS work on a US outlet?

Check before buying. Its spec lists 240 V, which is the UK/EU standard, while US outlets are 120 V. Confirm the version the store ships.

Smeg 50's Retro Variable Temperature Kettle vs Smeg 50's Style KLF05 Kettle

Both are red Smeg 50's style variable-temperature kettles with 7-cup capacity and stainless steel bodies. The KLF05RDUS is the better buy for most people: it costs $149.95 at The Latest Drop as of November 8, 2026, versus $169.98 at Amazon for the 50's Retro, and it adds a water level meter, cordless 360° base and a wider preset range. Choose the 50's Retro only if you want the 1500W element and a keep-warm function.

Today the Smeg 50's Style KLF05 Kettle costs $20.03 less at its best price.

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