Skip to content
Honda EM5000SX vs Yamaha EF7200D

Honda EM5000SX vs Yamaha EF7200D

Comparing the Honda EM5000SX and Yamaha EF7200D conventional generators. See how 4500 vs 6000 running watts, noise levels, and runtime stack up for your needs.

  • Honda EM5000SX
  • Yamaha EF7200D

Comparison Overview

Analysis by AJ Quick
Mechanical engineer and founder of RightGenerator

The biggest difference between these two conventional generators is raw power. The Yamaha EF7200D delivers 6000 running watts and 7200 starting watts, giving it a significant edge over the Honda EM5000SX's 4500 running watts and 5000 starting watts. That's roughly 33% more continuous power from the Yamaha, which matters a lot when you're running multiple appliances or high-demand tools simultaneously.

The Honda fights back with noticeably quieter operation at 63 dB, compared to the Yamaha's 74.5 dB. That 11.5 dB gap is substantial in real-world terms, as decibels are measured on a logarithmic scale, meaning the Yamaha will sound roughly three times louder to your ears. Both units weigh in around 220 to 226 pounds, so portability is comparable, and both carry a 3-year warranty. Runtime at 50% load slightly favors the Yamaha at 12 hours versus the Honda's 10.5 hours, though the difference is modest.

If you need a quieter generator for home backup during occasional outages and your power demands are moderate, the Honda EM5000SX is a strong pick. If you need to run heavier loads, like a large well pump, central air handler, or multiple power tools on a job site, the Yamaha EF7200D's extra wattage makes it the more capable choice.

Key takeaways

  • Yamaha EF7200D delivers 6000 running watts, 33% more than the Honda's 4500 watts
  • Honda EM5000SX runs at 63 dB, roughly three times quieter than the Yamaha's 74.5 dB
  • Both generators weigh around 220 to 226 pounds and offer similar portability
  • Yamaha provides 12 hours of runtime at 50% load versus Honda's 10.5 hours
  • Both carry a 3-year warranty and run on gasoline with conventional (non-inverter) output

Best use cases

Choose the Honda EM5000SX if you value a quieter experience and your power needs stay within the 4500-watt range. This generator is well suited for home backup scenarios where you're running a refrigerator, some lights, a sump pump, and maybe a window air conditioner. At 63 dB, it's far more tolerable for residential neighborhoods where noise complaints could be an issue, especially during extended outages. It's also a reasonable choice for tailgating, outdoor events, or RV use where you don't want to drown out conversation. Keep in mind that 4500 running watts won't support large central air conditioning systems or multiple high-draw appliances at once, so you'll need to manage your loads carefully.

Choose the Yamaha EF7200D if you need serious power and noise is less of a concern. With 6000 running watts, this generator can handle heavier home backup duties, including larger appliances, a well pump, and more circuits on a transfer switch. It's also a better fit for job sites where you're running power tools like table saws, compressors, or welders that demand high starting and running wattage. The 12-hour runtime at half load means slightly longer stretches between refueling. The tradeoff is real, though. At 74.5 dB, this unit is loud enough that you'll want to place it as far from living spaces and neighbors as your extension cords allow. It's not the generator you'd want humming outside your campsite or at a backyard party.

Both generators are conventional (non-inverter) models, so neither produces the clean power needed for sensitive electronics like laptops or medical devices without an additional power conditioner. Both also lack data on 25% load runtime, so if you frequently run light loads, you may want to research fuel efficiency at lower draw before deciding.

Verdict & recommendation

If your priority is keeping noise to a minimum while covering moderate household power needs, the Honda EM5000SX is the better fit. Its 63 dB operating level makes it far more neighbor-friendly and livable during extended use. If your priority is maximum power output for heavier loads, whether that's a more comprehensive home backup setup or demanding job site equipment, the Yamaha EF7200D's 6000 running watts give you meaningfully more headroom.

Neither generator is a bad choice. They're both from trusted brands with identical warranty coverage and similar weight. The decision really comes down to whether you need more watts or less noise. For most homeowners with average-sized houses and standard backup needs, the Honda will likely suffice. For those who know they'll be pushing higher loads regularly, the Yamaha earns its place despite the extra noise.

Last updated April 29, 2026

  • Model EM5000SX
    Model EM5000SX

    Honda 4,500W Gas Generator

    4500W
    Running
    63 dB
    Noise
    View details
  • Model EF7200D
    Model EF7200D

    Yamaha 6,000W Gas Generator

    6000W
    Running
    74.5 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationHonda EM5000SXYamaha EF7200D
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
4500 W
Winner: Winner: 6000 W
Starting watts
5000 W
Winner: Winner: 7200 W
Noise (lower limit)
Winner: Winner: 63 dB
74.5 dB
Weight
226.4 lbs
Winner: Winner: 221.7 lbs
Run time @50% load
10.5 h
Winner: Winner: 12 h
Run time @25% load
Not available
Not available
Fuel tank
6.2 gal
6.9 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
41.1 x 27.8 x 28.3
29.1 x 29 x 31.5
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
12
Not available
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
Honda iGX390 OHV 4-stroke, cast iron sleeve
Yamaha MZ360 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Not available
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
4500 W
6000 W
Starting watts
5000 W
7200 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
10.5 h
12 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
786102007412
765053823111
Core / High-priority specs
Running Watts (Gasoline)
4500
6000
Starting Watts (Gasoline)
5000
7200
Runtime @ 50% Load (Gasoline)
10.5
12
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Not available
OHV 4-stroke
Engine Displacement
389
358
Cylinder Sleeve
cast iron sleeve
Not available
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10.5
12
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Yes
Not available
Starting Components
Recoil, Electric, Remote
Recoil
Included Accessories
Battery and wheel kit
Tool kit and wheel kit
Warranty & identification
Commercial Warranty
3
3
Part Number
EM5000SXK3AN
EF72DZ
Additional specs
Summary
The Honda EM5000SX is a 5000-watt 120/240V generator equipped with CO-MINDER™, providing 7,000 watts for 10 seconds to start larger equipment. It features a long run time of up to 10.5 hours, electric start, and Bluetooth® capability via the Honda My Generator app.
The Yamaha EF7200D is a robust and economical generator, delivering a maximum output of 7200 watts and a rated output of 6000 watts. It features a durable 358cc OHV engine, providing up to 8 hours of continuous operation at full load. Designed for both home backup and professional use, it includes a wheel kit for portability and a digital hour meter for maintenance tracking.
  • Most Powerful
    Yamaha EF7200D
    6000W running
  • Quietest
    Honda EM5000SX
    63 dB
  • Longest Runtime
    Yamaha EF7200D
    12h at 50% load
Where to buy
Prices can change. We update these automatically.
Honda EM5000SX
Store links
No links yet.
Yamaha EF7200D
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.