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Bosch GCM12SD Glide Miter Saw vs DeWalt DWS779 12-in. Sliding Miter Saw

Both saws run a 15 amp motor at 3,800 RPM and cut bevels left and right, so the choice comes down to the slide design. The Bosch GCM12SD uses an axial glide with no rear rails, so it sits closer to a wall and keeps a wider crosscut with zero rear clearance. The DeWalt DWS779 is the more conventional rail slider, and its 4.7 rating from about twice as many owners suggests it holds up well for most buyers. Buy the Bosch for a tight shop and clean, precise trim work. Buy the DeWalt for a jobsite saw with tall sliding fences and a large owner base.

  • Choose the Bosch GCM12SD if your bench sits against a wall, you cut a lot of crown and base, and you want a smooth axial glide with no rear rails.
  • Choose the DeWalt DWS779 if you want a proven rail-slider with tall sliding fences, a bright cut line, and the largest body of owner feedback in this class.

Prices

  • Bosch GCM12SD Glide Miter Saw: $358.12 at ennoki (last seen Nov 4)
  • DeWalt DWS779 12-in. Sliding Miter Saw: $379.95 at eBay (checked today)
  • Difference: the Bosch GCM12SD Glide Miter Saw is $21.83 cheaper than the DeWalt DWS779 12-in. Sliding Miter Saw at the latest prices (Nov 4 and Nov 11)
Bosch
Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD)

Bosch GCM12SD Glide Miter Saw

Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD)

4.5(757 ratings)
$358.12at ennokiChecked Nov 4
See all prices and details
Visit ennoki
Pros
  • Axial glide needs no rear clearance, so it fits a wall-backed bench
  • Widest crosscut in its class at 3-1/2 in. x 13-1/2 in. at 0°
  • Dual bevel to 47° each way with detents at common angles
  • SquareLock fences stay square over the life of the saw
  • Upfront bevel and miter controls with clear scales
Cons
  • No dust bag in the box, only a chute and vacuum adapter
  • Heavier and bulkier than a non-sliding saw
  • Glide arms need occasional cleaning to stay smooth
  • Smaller owner base than the DeWalt
DeWalt
DeWalt 12-in. Double-Bevel Sliding Compound Miter Saw

DeWalt DWS779 12-in. Sliding Miter Saw

DeWalt 12-in. Double-Bevel Sliding Compound Miter Saw

4.7(1,458 ratings)
$379.95at eBayChecked 53 min ago
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • Tall sliding fences handle crown and base molding
  • XPS cut line shows exactly where the blade lands
  • Dust bag included and collection is rated strong
  • Large owner base with a 4.7 average
  • Mounts easily to the DeWalt stand
Cons
  • Rails need rear clearance, which costs bench depth
  • Some owners report cracked plastic parts and a rear guard failure
  • Torque can pull the blade into the work if you rush the cut
  • Blade inclusion wording confuses some buyers

What separates them

Bosch GCM12SD Glide Miter SawDeWalt DWS779 12-in. Sliding Miter Saw
Slide mechanismAxial glide arms, zero rear clearance, no rails behind the sawTwin sliding rails that extend behind the saw
Footprint against a wallCan sit nearly flush to a wallNeeds rear clearance for the rails
Crosscut capacity at 0°3-1/2 in. x 13-1/2 in.2 x 10 at 45°, with a wider slide for general stock
Bevel range47° left and right, stops at 0°, 33.9°, 45°, 47°Double bevel left and right
FencesSquareLock fences, pre-aligned to stay squareTall sliding fences that support crown and base
Cut line aidClear lower guard for visibilityXPS cut line positioning system
Dust collectionCombination dust chute and vacuum adapter, no bagDust bag included
Owner feedback4.5 from 757 ratings4.7 from 1,458 ratings, with some reports of cracked plastic parts and a rear guard failure

Price history

$579.00$358.12
Nov 4Nov 11
  • Bosch GCM12SD Glide Miter Saw: lowest $358.12 on Nov 4 at ennoki; $579.00 on Nov 11.
  • DeWalt DWS779 12-in. Sliding Miter Saw: lowest $379.95 on Nov 11 at eBay.

Prices at every store

Bosch GCM12SD Glide Miter Saw

  • Acme ToolsNew

    In stock

    $579.00Free shippingChecked 53 min ago
    Visit Acme Tools
  • Woodcraft SupplyNew

    In stock

    $579.00+ $79.99 shippingChecked 54 min ago
    Visit Woodcraft Supply
  • ennokiNew

    Availability unknown

    $358.12Checked Nov 4
    Visit ennoki
  • eBayNew

    Availability unknownSold by turbotools (97.8% positive, 138 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $529.99+ $58.24 shippingChecked Nov 9
    Visit eBay

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All 21 stores and price history →

DeWalt DWS779 12-in. Sliding Miter Saw

  • eBayNew

    Availability unknownSold by rkachyuta

    $379.95Checked 53 min ago
    Visit eBay
  • ArborNew

    Availability unknown

    $383.04Checked 53 min ago
    Visit Arbor
  • eBayNew

    Availability unknownSold by weshipnow (99.7% positive, 31,800 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $407.54Free shippingChecked Nov 9
    Visit eBay
  • Value Tools CoNew

    Availability unknown

    $410.00Checked Nov 4
    Visit Value Tools Co

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All 21 stores and price history →

Specs compared

SpecBosch GCM12SD Glide Miter SawDeWalt DWS779 12-in. Sliding Miter Saw
Material CompatibilityWoodWood
Miter Capacity60 degrees right60 Degrees (Right)
Cutting MaterialWoodWood
Power SourceCorded ElectricCorded Electric
CordlessNoNo
Voltage120-Volt120 V
Electric Current8.8 amps (under no load)15 Amp
Cutting CapacityStabilizes boards up to 40 inches long2 x 10 at 45°
Cutting DepthAdjustable (for trench cutting)33 INH
Cutting Thickness3/4-in. (for 45-deg miter on 6-in. wide stock)14 in
Cutting BevelDual bevelDouble-Bevel, Dual Bevel
Cutting Angle90 Degrees45 Degrees
Show all 40 specsShow fewer specs
SpecBosch GCM12SD Glide Miter SawDeWalt DWS779 12-in. Sliding Miter Saw
Cutting GuidesAxial glide systemCut Guidance System
Cutting FenceSquareLock fencesTall sliding fences
Electric BrakeYesYes
Motor Amperage15 amps15 Amp
Motor Power3-horsepower (HP)Extended power
Motor Speed3800 RPM (no load)3800 RPM
Motor TypeBelt-drivenBrushless
Blade Diameter12 in12 " blade
Blade Length12 Inches—

What reviewers say

Bosch GCM12SD Glide Miter Saw

  • 4.5 / 5757 ratings

Owners rate it highly, with 4.5 out of 5 from 757 ratings. Most praise the smooth glide, the space saving against a wall and cuts that stay square out of the box. Complaints center on weight, price and dust.

What people mention
  • Glide systemPraisedOwners say the Axial-Glide moves smoothly and holds alignment, and that it lets the saw back up to a wall.
  • WeightCriticisedBuyers call it heavy and awkward to carry, so most keep it in a shop rather than a truck.
  • Cut accuracyPraisedReviewers report square cuts and accurate detents straight out of the box.
  • PriceMixedMany think the build justifies the cost, while others say it is steep next to rail sliders.

DeWalt DWS779 12-in. Sliding Miter Saw

  • 4.7 / 51,458 ratings

Reviewers rate it highly, calling it powerful, solidly built and accurate, with a smooth slide that mounts easily to a stand. Complaints center on durability of plastic parts and the rear guard, and on the blade pulling in under torque.

What people mention
  • Cut accuracyPraisedOwners say cuts come out square and the blade tracks straight through thick and wide stock.
  • Build qualityMixedThe saw feels solid and the slide is smooth, but some report plastic parts and the rear guard breaking within months.
  • Motor powerPraisedThe 15 amp motor is described as strong enough for hardwoods and wide crosscuts.
  • Blade torqueCriticised

Questions and answers

Which is better for crown molding?
The DeWalt has the edge. Its tall sliding fences support crown and base molding directly, and it cuts 6 in. crown at a 45° spring angle. The Bosch handles crown too, but its fences are lower.
Which saw takes less space in a small shop?
The Bosch. Its axial glide has no rear rails, so it can sit close to a wall. The DeWalt's rails extend behind the saw and need clearance.
Which cuts wider boards?
The Bosch cuts 3-1/2 in. x 13-1/2 in. at 0° miter and bevel, which is the widest crosscut in its class. The DeWalt is rated 2 x 10 at 45°.
Which lasts longer?
Both are built for daily use. DeWalt owners report a 4.7 average over 1,458 ratings, but some mention cracked plastic parts and a rear guard failure. The Bosch's SquareLock fences are designed to stay square for the life of the tool.
Is the Bosch worth stepping up to?
Yes if you work against a wall or cut wide stock often. The glide design and extra crosscut capacity are real advantages. If you mostly cut trim on a jobsite, the DeWalt does the job with a bigger owner base behind it.
Do both bevel in both directions?
Yes. Both are dual-bevel saws, so you can cut left and right bevels without flipping the workpiece. The Bosch adds marked stops at 0°, 33.9°, 45° and 47°.

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  • DeWalt 12-in. Double-Bevel Sliding Compound Miter Saw vs Metabo HPT C12RSH2S 12 in. Dual Bevel Sliding Compound Miter Saw
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  • Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD) vs Skil 10-inch Dual Bevel Sliding Miter Saw

Buying guides that pick them

  • Best dual bevel miter saws
Blade Type
Miter
—
Blade Arbor Size1 in—
Axial-Glide systemzero rear clearance with the widest crosscut in…—
Dust BagNo—
Voltage (V)120.0—
Width (")22.5—
Bevel CapacityYes—
Height (")24.25—
Included AccessoriesSaw Blade, Wrench—
No. of Batteries (pcs)0—
No Load Speed (rpm)3800—
Cable Length (ft)6.0—
Blade Bore (")1.0—
Weight (lb)65.0—
Length (")31.0—
Miter Saw Style—Sliding Compound
Bevel Type—Dual Bevel
Safety Highlights—UL Safety
Battery Included—No
A few owners say the blade can pull into the cut under load, which they call a safety concern.