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

Both are 12-inch dual-bevel saws with 15-amp motors and 3,800 rpm, so the real split is the rail design. The Bosch GCM12SD uses an axial glide arm that saves bench depth and stays smooth, which suits a small shop or a bench against a wall. The DeWalt slides on twin rails, has the XPS cut-line light and tall sliding fences, and owners rate it slightly higher. Buy the Bosch for a compact footprint and a fixed-bench setup; buy the DeWalt for wide stock, tall trim and a visible cut line.

  • Choose the Bosch GCM12SD if your bench is shallow or against a wall and you want a glide arm that keeps its smoothness without long rails behind the saw.
  • Choose the DeWalt if you cut tall baseboard and wide boards and want a cut-line light plus tall sliding fences to hold the work.

Prices

  • Bosch GCM12SD Glide Miter Saw: $579.00 at Acme Tools (checked today)
  • DeWalt DWS779 12-in. Sliding Miter Saw: $379.95 at eBay (checked today)
  • Difference: the DeWalt DWS779 12-in. Sliding Miter Saw is $199.05 cheaper than the Bosch GCM12SD Glide Miter Saw today
Bosch
Bosch GCM12SD 12-in. Dual-Bevel Glide Miter Saw

Bosch GCM12SD Glide Miter Saw

Bosch GCM12SD 12-in. Dual-Bevel Glide Miter Saw

4.6(1,570 ratings)
$579.00at Acme ToolsChecked 1 h ago
See all prices and details
Visit Acme Tools
Pros
  • Axial-Glide arm keeps the saw compact and the slide smooth over time
  • Stays true out of the box, including after transport, per owners
  • Wide miter range with detents at common angles
  • Powerful 15-amp motor with an electric brake
  • Dual bevel to 47 degrees both ways
Cons
  • No laser or cut-line light
  • Heavy, and large bevel angles take effort to set
  • Dust collection is weak in practice
  • Depth stop is not robust; some units cut off line
  • Cast aluminum fence mount has broken under light use for some owners
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 1 h ago
See all prices and details
Visit eBay

Store links may earn us a commission.

Pros
  • XPS cut-line light shows exactly where the blade will cut
  • Tall sliding fences support tall trim and wide stock
  • Smooth rail slide with no blade side-to-side movement, per owners
  • Strong dust collection for a miter saw
  • Easy to mount on the DeWalt stand and stable in use
Cons
  • Rails need clearance behind the saw
  • Some owners report plastic parts and a rear guard failing
  • Torque can pull the blade into the work, which takes care
  • Blade inclusion is unclear in some listings

What separates them

Bosch GCM12SD Glide Miter SawDeWalt DWS779 12-in. Sliding Miter Saw
Rail designAxial-Glide arm, no rear rails, so the saw needs less depth behind the fenceTwin sliding rails that extend behind the saw and need clearance
Cut line guidanceNo laser or light; you line up the blade with the markXPS cut line positioning system projects a shadow line of the blade
FenceSquareLock fence, pre-aligned, fixed heightTall sliding fences that support tall trim and crown
Miter range52 degrees left, 60 degrees right, with detents60 degrees right, with positive stops
Bevel range47 degrees both directionsDual bevel both directions
Dust collectionRated to catch up to 90 percent of particles, but owners call it mediocreOwners report strong dust collection
Weight and portabilityHeavy; large bevel settings are awkward to swingSmooth slide and easy mounting to the DeWalt stand
Reported reliabilityOwners praise build and staying true; some report fence mounts breaking and cuts running off lineOwners praise square cuts and power; some report plastic parts and a rear guard failing

Price history

$629.00$379.95
Nov 4Nov 11
  • Bosch GCM12SD Glide Miter Saw: lowest $579.00 on Nov 11 at Home Depot.
  • 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 1 h ago
    Visit Acme Tools
  • Home DepotNew

    In stock

    $579.00Free shippingChecked 3 h ago
    Visit Home Depot
  • Beaver Industrial SupplyNew

    In stock

    $629.00Free shippingChecked 3 h ago
    Visit Beaver Industrial Supply
  • Woodcraft SupplyNew

    In stock

    $579.00+ $79.99 shippingChecked 3 h ago
    Visit Woodcraft Supply
All 16 stores and price history →

DeWalt DWS779 12-in. Sliding Miter Saw

  • eBayNew

    In stockSold by rkachyuta

    $379.95Checked 1 h ago
    Visit eBay
  • ArborNew

    Availability unknown

    $383.04Checked 3 h 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

Store links may earn us a commission.

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 29 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
Packageverify current retailer listing before checkout—

What reviewers say

Bosch GCM12SD Glide Miter Saw

  • 4.6 / 51,570 ratings

Owners rate it highly, with 4.6 out of 5 from about 1,570 ratings. Most praise the smooth glide action, accuracy out of the box and the space saved behind the saw. Complaints center on weight, price and the occasional need to tune the glide and detents.

What people mention
  • Glide systemPraisedOwners say the Axial-Glide stroke is smooth and needs little effort, and it saves space behind the saw.
  • AccuracyPraisedReviewers report square cuts and fences that hold alignment well after setup.
  • WeightCriticisedMany owners call it heavy and awkward to carry, so it suits a shop more than a truck.
  • PriceMixedBuyers accept the cost for the glide design but note it runs higher than conventional 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 a small shop?
The Bosch. Its axial glide arm needs no rear rail clearance, so it fits on a shallower bench or against a wall. The DeWalt's rails extend behind the saw and need room.
Which handles tall baseboard and crown better?
The DeWalt. Its tall sliding fences support tall trim upright against the fence. The Bosch fence is fixed height, so tall stock needs more clamping care.
Which has better dust collection?
The DeWalt, by owner reports. Bosch rates its bag at up to 90 percent of particles, but owners of that saw call the dust collection mediocre.
Is the Bosch worth stepping up to over the DeWalt?
Only if bench space is your constraint. The Bosch buys you the compact glide arm; the DeWalt gives you the cut-line light, tall fences and easier stand mounting.
Which is more accurate out of the box?
Owners of both report square cuts. The Bosch is widely praised for staying true after transport, while some Bosch units cut off line and some DeWalt owners report plastic parts failing.
Do either include a blade?
The Bosch ships with a 60-tooth blade. DeWalt blade inclusion is unclear in some listings, so confirm it before you buy.

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Buying guides that pick them

  • Best miter saws for home workshops
  • Best dual bevel miter saws
Blade Length
12 Inches
—
Blade TypeMiter—
Blade Arbor Size1 in—
Miter Saw Style—Sliding Compound
Bevel Type—Dual Bevel
Safety Highlights—UL Safety
Battery Included—No
Power Highlights—With Stand
A few owners say the blade can pull into the cut under load, which they call a safety concern.