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DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780) vs Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD)

Buy the DeWalt DWS780 if you want the most capacity and features per dollar. It cuts 2x16 at 90° and 2x10 at 45°, has a 15-amp motor, dual bevel, an electric brake and the XPS shadow line, and it is $295.99 at eBay as of November 4, 2026. Buy the Bosch GCM12SD if you work in a tight shop or against a wall: its Axial-Glide arms need no rear clearance, and it is $549.99 at eBay as of November 4, 2026.

Today the DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780) costs $110.99 less at its best price.

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DeWalt
DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780)

DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780)

4.6· 835 ratings
$439.00at eBayVerified
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Choose the DeWalt DWS780 if you want the widest crosscut and the most features for the money, at $295.99 at eBay as of November 4, 2026.

Pros
  • Cuts 2x16 at 90° and 2x10 at 45°, more than most 12-in. sliders
  • XPS shadow line shows the cut without a laser to adjust
  • Dual bevel with up-front controls and an electric brake
  • Tall sliding fences handle 7-1/2-in. nested crown
  • $295.99 at eBay as of November 4, 2026, about $254 less than the Bosch
Cons
  • Rails need rear clearance, so it cannot sit flush against a wall
  • 56 lbs plus a stand to move around a jobsite
  • Keyed blade change is slower than a spindle lock
  • Dust collection is decent but not clean
Bosch
Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD)

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

4.5· 757 ratings
$549.99at eBayVerified
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Choose the Bosch GCM12SD if you need a sliding saw that can sit flush against a wall, at $549.99 at eBay as of November 4, 2026.

Pros
  • Axial-Glide needs no rear clearance and stays aligned over time
  • SquareLock fences are pre-aligned and stay square
  • Smooth, low-vibration slide on a belt-driven 15-amp motor
  • Good dust chute and vacuum adapter
Cons
  • $549.99 at eBay as of November 4, 2026, roughly double the DeWalt
  • Heavier at about 65 lbs
  • No built-in cut line light
  • 1-in. arbor limits blade choices compared with 5/8-in.

What separates them

DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780)Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD)
Price$295.99 at eBay as of November 4, 2026$549.99 at eBay as of November 4, 2026
Sliding mechanismTwin steel rails that extend behind the sawAxial-Glide articulating arms, zero rear clearance
Crosscut capacity at 90°2x16 dimensional lumberWider crosscut than typical rail saws; Bosch calls it the widest in its class
Crosscut at 45° miter2x10Cuts a 45° miter on 6-in. wide stock
Cut line indicationXPS shadow line, no adjustment neededNo built-in cut line light; align to the blade or a mark
FencesTall sliding fences, crown molding up to 7-1/2 in. nestedSquareLock fences, pre-aligned at the factory
Weight56 lbsAbout 65 lbs
Miter range60° right, 50° left, 10 positive stops60° right, detents at common angles

Price history

$449.00$358.12
Nov 1Nov 4
  • DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780): lowest $449.00 on Nov 1 at Home Depot; $449.00 on Nov 4.
  • Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD): lowest $358.12 on Nov 4 at ennoki.

Prices at every store

DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780)

  • eBayNew

    Availability unknownSold by gianttoolshub (99.8% positive, 4,900 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $439.00Free shippingVerified
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  • Lowe'sNew

    Availability unknown

    $449.00Observed at 3:43 PM
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  • Home DepotNew

    Availability unknown

    $449.00Free shippingObserved at 2:39 PM
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  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $449.00Free shippingObserved at 2:38 PM
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Also available at

  • WebstaurantStore.comCheck price at WebstaurantStore.com
  • Ace HardwareCheck price at Ace Hardware
  • Tractor Supply CompanyCheck price at Tractor Supply Company
All 4 stores and price history →

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

  • Beaver Industrial SupplyNew

    In stock

    $629.00Observed at 2:38 PM
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  • Ring's EndNew

    In stock

    $657.00Observed at 2:38 PM
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  • eBayNew

    Availability unknownSold by ninjamo-us (99.5% positive, 26,900 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $549.99Free shippingVerified
    Visit store
  • Home DepotNew

    Availability unknown

    $629.00Observed at 3:44 PM
    Visit store

Also available at

  • AirgasCheck price at Airgas
  • BenchmarkSupply.comCheck price at BenchmarkSupply.com
  • ennokiCheck price at ennoki

Specs compared

SpecDeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780)Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD)
Material CompatibilityWoodWood
Miter Capacity60° (right)60 degrees right
Cutting MaterialWoodWood
Cutting Capacity2x16 dimensional lumber at 90°Stabilizes boards up to 40 inches long
Cutting Depth170 mmAdjustable (for trench cutting)
Cutting Thickness14 in3/4-in. (for 45-deg miter on 6-in. wide stock)
Cutting BevelDouble bevelDual bevel
Cutting Angle60° to the right and 50° to the left (Miters)90 Degrees
Cutting GuidesXPS cross cut positioning systemAxial glide system
Cutting FenceTall sliding fencesSquareLock fences
Blade Diameter12 in12 in
Blade Length12 in12 Inches
Show all 40 specsShow fewer specs
SpecDeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780)Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD)
Blade TypeMiterMiter
Blade Arbor Size30 mm1 in
Electric BrakeYesYes
Safety HighlightsUL-listed—
Weight56 lbs—
Blade Change SystemKeyed—
Blade IncludedYes—
Blade MaterialCarbide—
Blade Speed3800 RPM—
Blade Teeth

What reviewers say

DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780)

Owners rate it 4.6 out of 5 across 835 ratings and mostly praise cut accuracy, the shadow line and the wide capacity. Complaints center on weight and on dust collection that does not keep up.

Pros
  • Accurate cuts out of the box, including bevels
  • XPS shadow line is easy to see and needs no calibration
  • Handles wide trim and 2x lumber without flipping
  • Solid build that holds adjustment over time
Cons
  • Heavy and awkward to carry alone
  • Dust bag catches only part of the debris
  • Blade changes take tools and time
  • Sliding rails need extra space behind the saw

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

Owners rate it 4.5 out of 5 across 757 ratings. Most praise the glide system's smooth travel and the space it saves against a wall. Complaints center on weight and on dust collection that needs a vacuum to be useful.

Pros
  • Smooth, low-effort glide travel
  • Saves space behind the saw
  • Accurate, repeatable miter and bevel cuts
  • Solid fence and table build
Cons
  • Heavy to lift and transport
  • Dust collection weak without a vac
  • Needs setup time to get square
  • Stock blade leaves tearout on trim

Questions and answers

Which is better for a small shop?
The Bosch GCM12SD. Its Axial-Glide arms need no space behind the saw, so it can sit against a wall. The DeWalt DWS780's rails extend rearward and need clearance.
Which has more cutting capacity?
The DeWalt. It cuts 2x16 at 90° and 2x10 at 45°. The Bosch cuts wide stock too, but Bosch does not publish a 2x16 figure for it.
Is the Bosch worth the extra money?
Only if rear clearance is a real problem or you value the glide mechanism. At $549.99 versus $295.99 at eBay as of November 4, 2026, the DeWalt gives more capacity and features for less.
Which is easier to move around?
The DeWalt at 56 lbs. The Bosch is about 65 lbs and bulkier. Both are heavy enough that most users keep them on a stand.
Do both bevel in two directions?
Yes. Both are dual-bevel saws with 15-amp motors turning 3,800 RPM and electric brakes.
Which is better for trim and crown molding?
The DeWalt's tall sliding fences support 7-1/2-in. nested crown and 6-3/4-in. base vertically. The Bosch handles trim well too, but its fence height is lower.

More comparisons

  • Makita 10 in. Dual Sliding Compound Miter Saw (LS1019L) vs DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780)
  • Makita 10 in. Dual Sliding Compound Miter Saw (LS1019L) vs Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD)
  • DeWalt 12 in. Double Bevel Sliding Compound Miter Saw (DWS780) vs Milwaukee M18 FUEL 10” Sliding Compound Miter Saw
  • Bosch 12 in. Dual-Bevel Sliding Glide Miter Saw (GCM12SD) vs Milwaukee M18 FUEL 10” Sliding Compound Miter Saw

Buying guides that pick them

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All 5 stores and price history →
60
—
Blade Width2.6 mm—
Miter Saw StyleSliding Compound—
Bevel TypeDual Bevel—
With StandYes—
Arbor Diameter5/8-in—
Maximum Fence Height (Inches)4.5—
Length (Inches)32.77—
Amperage (Amps)15—
Cord Length (Feet)6—
Bevel Capacity (Degrees)60—
Tool Weight (lbs.)56—
Saw Blade Diameter12-in—
Maximum Speed (RPM)3800—
Dust HandlingPort—
Number of Teeth60—
Bevel Lock StyleClamp—
Sliding Fencetrue—
BevelDual—