Comparison Console
Acebeam W20 vs SureFire X400 Ultra
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam W20 stands out as the lightest option for weight, with about a 8% gap from the closest alternative. Acebeam W20 stands out as the cheapest option for retail price, with about a 76% gap from the closest alternative. SureFire X400 Ultra stands out as the highest output option for max lumens, with about a 67% gap from the closest alternative.
Decision Signals
What stands out
Acebeam W20 stands out as the cheapest option for retail price, with about a 76% gap from the closest alternative.
SureFire X400 Ultra stands out as the most expensive option for retail price, with about a 321% gap from the closest alternative.
Acebeam W20 stands out as the lightest option for weight, with about a 8% gap from the closest alternative.
SureFire X400 Ultra stands out as the heaviest option for weight, with about a 9% gap from the closest alternative.
Acebeam W20 stands out as the lowest output option for max lumens, with about a 40% gap from the closest alternative.
SureFire X400 Ultra stands out as the highest output option for max lumens, with about a 67% gap from the closest alternative.
SureFire X400 Ultra stands out as the shortest runtime option for max runtime, with about a 6% gap from the closest alternative.
Acebeam W20 stands out as the longest runtime option for max runtime, with about a 7% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
Price & carry
Retail price
US$189.9Cheapest
US$799Most expensive
Weight
130.6 g (4.61 oz)Lightest
142 g (5.01 oz)Heaviest
Length
115.1 mm (4.53 in)Longest
94 mm (3.70 in)Shortest
Output
Max lumens
600 lmLowest output
1000 lmHighest output
Max candela
302500 cdHighest candela
11300 cdLowest candela
Beam distance
1100 m (3609 ft)Highest
213 m (699 ft)Lowest
Max runtime
80 minLongest runtime
75 minShortest runtime
Power & durability
Battery type
16340 rechargeable Li-ion (compatible with CR123 primary battery)
2 x CR123A
Charging type
USB-C (on battery)
Unknown
Rechargeable
Yes
Unknown
IP rating
IP68
IPX4
Impact resistance
1.5 m (5 ft)
Unknown
Material
Aerospace-grade AL6061-T6 aluminum with hard-anodized finish
Mil-Spec hard-anodized aerospace aluminum
Use case profile
Best for
Tactical UseLong Range SpottingClose Range IlluminationOutdoor AdventuresSearch And RescueEveryday Carry
Weapon Mounted Tactical Illumination And AimingLaw EnforcementMilitaryHome DefenseSelf Defense Applications
Common praise
Compact Size With Excellent Long Range Performance.Wide Angle Spill Solves Close Range Illumination Issues Common In Lep Lights.Durable Build With Ip68 Rating And Good Drop Resistance.Intuitive Dual Switch Interface For Fast Operation.Rechargeable Battery With USB C Charging On The Cell.
High Output 1000 Lumens With Smooth Hybrid Beam ProfileHighly Visible Laser (red Or Green) That Rarely Needs Re ZeroingDurable Mil Spec Hard Anodized Aluminum ConstructionAmbidextrous, Intuitive SwitchingReliable Zero Retention And Rugged Design
Common complaints
Limited Runtime At Maximum Output (20 Seconds Before Step Down).Battery Charging Requires Removing The Cell Due To USB C Port On Battery Itself.Some Complexity In Controlling Modes Due To Dual Switch Design.
High Retail PriceLaser Brightness Might Not Be Intense Enough For Some UsersActivation Switch Could Feel Less TactileSome Bulkiness For Concealed Carry
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