Head-to-head · Best String Trimmers

Black+Decker GH3000 7.5-Amp Corded 14-Inch vs Worx WG170 GT Revolution 20V 12-Inch

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Worx WG170 GT Revolution 20V 12-Inch comes out ahead by a narrow margin (4.0 vs 4.2). The gap is mostly about Owners of small to mid-sized suburban lots (under 1/4 acre) with maintained grass who prize light weight and the 3-in-1 conversion over raw cutting power. — read the strengths below before deciding.

Ranked #5 in Best String Trimmers

Black+Decker GH3000 7.5-Amp Corded 14-Inch

4.0

$69

The Black+Decker GH3000 is the steady-power, no-batteries-no-fuel pick for owners of small flat suburban lots within extension-cord reach of an outlet. Top Ten Reviews rated it 4/5 and Consumer Reports has it in their string-trimmer test program. The 7.5-amp corded motor never fades partway through a job — unlike battery picks above, which trade runtime for portability. The trade-offs are obvious: you're tethered to a cord, the line is thinner (0.080-inch), and the curved shaft loses some reach. For under $70 with no battery to charge or fuel to mix, it's the best entry point into the category.

Strengths

— 7.5-amp motor delivers the steadiest continuous power of any pick in this list
— Automatic Feed Spool (AFS) eliminates bump-feed entirely — no button to press
— 6.9 lb working weight is lighter than every battery cordless on this list

Watch-outs

— Corded operation limits range to the length of your extension cord
— 0.080-inch line is thinner than other picks and wears faster in hard material
— Curved shaft sacrifices reach under hedges and along fences

$69 · Check Price on Amazon Full review →

Higher ratedRanked #4 in Best String Trimmers

Worx WG170 GT Revolution 20V 12-Inch

4.2

$129

The Worx WG170 GT Revolution is the best value-tier cordless trimmer for owners of small flat suburban yards who care more about ease and weight than raw cutting power. At 5.5 lb with battery clipped on, it's roughly half the weight of the EGO ST1623T or Ryobi 40V picks above, and it converts in seconds to a wheeled edger or even a mini-mower. The trade-offs are real: T3 noted it chokes on anything thicker than quarter-inch growth, and the 12-inch cutting width forces more passes. For under-quarter-acre yards with maintained grass, none of that matters and the lightness and 3-in-1 flexibility win the day.

Strengths

— Just 5.5 lb working weight makes it the easiest pick on the wrists
— Three-in-one design converts between trimmer, in-line edger, and mini-mower
— Command Feed dispenses line at a button push — no bumping required

Watch-outs

— 12-inch cutting width is the narrowest of any pick here
— Battery life around 30-45 minutes on 4.0Ah pack falls short of larger-format competitors
— Cutting power stalls in anything thicker than light grass or quarter-inch weeds

$129 · Check Price on Amazon Full review →

How they stack up

Black+Decker GH3000 7.5-Amp Corded 14-Inch

The only non-battery/non-gas pick in this category — the trade-off is freedom from charging or fueling for the cost of being tethered to a cord. Lighter than the Worx WG170 GT Revolution (6.9 lb vs 5.5 lb battery-included is closer than you'd think) and outcuts it in heavier grass thanks to the 7.5-amp continuous draw. Cuts a wider 14-inch swath than the Worx's 12-inch.

Worx WG170 GT Revolution 20V 12-Inch

Just over a third the weight of the EGO ST1623T (5.5 lb vs 12.6 lb) and a quarter the cost. Forfeits the cutting width and runtime of the Ryobi RY402110, but the 3-in-1 conversion (trimmer / edger / mini-mower) is something none of the other picks here offer. Lighter and quieter than the Black+Decker GH3000 corded pick but with the cordless freedom.

Specs side-by-side

Spec	Black+Decker GH3000 7.5-Amp Corded 14-Inch	Worx WG170 GT Revolution 20V 12-Inch
Power Source	Corded (7.5 A / 120 V)	20V battery (4.0Ah included)
Cutting Width	14 in	12 in
Line Diameter	0.080 in	0.065 in
No-Load Speed	7,500 rpm	—
Shaft	Curved	Telescopic straight
Weight	6.9 lb	—
Line Feed	Automatic Feed Spool (AFS)	Command Feed (push-button)
Edger Conversion	Yes (wheeled guide)	Yes (in-line wheeled)
Warranty	2-year limited	3-year limited
Runtime	—	Up to 45 min
Weight (with battery)	—	5.5 lb

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