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Whirlpool WFW4720R vs Whirlpool WTW6157P

Two of the clothes washers in our best clothes washers comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.

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#23 of 40 in Clothes Washers

Whirlpool WFW4720R

6.6/10

Best for: Official IMEF 2.76, 4.5 cu ft volume, 140 kWh/year, official IWF 3.2

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#40 of 40 in Clothes Washers

Whirlpool WTW6157P

2.3/10

Best for: Official IMEF 2.06, 5.3 cu ft volume, 260 kWh/year, official IWF 4.3

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Spec-by-spec comparison

Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.

SpecWhirlpool WFW4720RWhirlpool WTW6157PWeight
Integrated Modified Energy Factor (IMEF)Official ENERGY STAR Integrated Modified Energy Factor. A higher IMEF means more washing work per unit of energy. Missing values take the category minimum. 2.76 2.06 28%
Certified volumeOfficial ENERGY STAR certified tub volume in cubic feet. A larger tub is not automatically the right washer for a tight laundry closet. Missing values take the category minimum. 4.5 cu ft 5.3 cu ft 24%
Annual energy useOfficial ENERGY STAR annual energy use in kilowatt-hours per year. Lower is better. Missing values take the category minimum (the highest energy use in the set). 140 kWh/year 260 kWh/year 24%
Integrated Water Factor (IWF)Official ENERGY STAR Integrated Water Factor. A lower IWF means less water per cubic foot of laundry. Missing values take the category minimum (the highest IWF in the set). 3.2 4.3 24%
Integrated Modified Energy Factor, IMEF (ENERGY STAR)2.762.06info
Certified volume (ENERGY STAR)4.5 cu ft5.3 cu ftinfo
Annual energy use (ENERGY STAR)140 kWh/year260 kWh/yearinfo
Integrated Water Factor, IWF (ENERGY STAR)3.24.3info
Annual water use (ENERGY STAR)4248 gal/year6660 gal/yearinfo
IMEF percent above the U.S. federal standard (computed)50%, computed as (official IMEF - official U.S. federal standard IMEF) / official U.S. federal standard IMEF31%, computed as (official IMEF - official U.S. federal standard IMEF) / official U.S. federal standard IMEFinfo
Annual energy use per cubic foot (computed)31.1 kWh/year per cubic foot, computed as official annual energy use ÷ official cubic foot49.1 kWh/year per cubic foot, computed as official annual energy use ÷ official cubic footinfo
U.S. federal standard IMEF (ENERGY STAR)1.841.57info
U.S. federal standard IWF (ENERGY STAR)4.76.5info
Load configuration (ENERGY STAR)Front LoadTop Loadinfo
Dimensions (ENERGY STAR)39.00 in H × 27.0 in W × 32.00 in D43.00 in H × 27.0 in W × 28.00 in Dinfo
Additional washer features (ENERGY STAR)Sanitize OptionAnti-Wrinkleinfo
Connected (ENERGY STAR)NoNoinfo
Paired ENERGY STAR dryer available (ENERGY STAR)YesNoinfo
Meets ENERGY STAR Most Efficient criteriaNoNoinfo
Certified model numberWFW4720R**WTW6157P**info
Official brand name on the ENERGY STAR recordWhirlpoolWhirlpoolinfo
Related official records with the same certified ratingsSame official certified ratings also appear on Whirlpool WFW5220R; Whirlpool WFW5720R. We keep one product page for this rating set so color, finish or brand rebadges are not given separate nearly identical pages.Not listedinfo
CyclePick score6.6/102.3/10100%

Where each one comes out ahead

Whirlpool WFW4720R

Better published figure on: Integrated Modified Energy Factor (IMEF), Annual energy use, Integrated Water Factor (IWF).

What we like

  • Official certified ratings are published for every scored criterion

Watch out for

  • No additional scored gaps in the official record we used

Whirlpool WTW6157P

Better published figure on: Certified volume.

What we like

  • Large official certified volume (5.3 cu ft)

Watch out for

  • Lowest official IMEF in this comparison (2.06)
  • Highest official annual energy use in this comparison (260 kWh/year)
  • Highest official Integrated Water Factor in this comparison (4.3)

Verdict

The official ENERGY STAR load configuration is Front Load on the Whirlpool WFW4720R and Top Load on the Whirlpool WTW6157P. The Whirlpool WFW4720R record lists official IMEF 2.76, 4.5 cu ft volume, 140 kWh/year and official IWF 3.2. The Whirlpool WTW6157P record lists official IMEF 2.06, 5.3 cu ft volume, 260 kWh/year and official IWF 4.3.

Whirlpool WFW4720R on AmazonWhirlpool WTW6157P on Amazon
Spec sources

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