Comparison Console
Acebeam PT40 vs SureFire M640DFT Turbo Scout Light Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam PT40 stands out as the lightest option for weight, with about a 7% gap from the closest alternative. Acebeam PT40 stands out as the cheapest option for retail price, with about a 56% gap from the closest alternative. Acebeam PT40 stands out as the highest output option for max lumens, with about a 329% gap from the closest alternative.
Decision Signals
What stands out
Acebeam PT40 stands out as the cheapest option for retail price, with about a 56% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the most expensive option for retail price, with about a 128% gap from the closest alternative.
Acebeam PT40 stands out as the lightest option for weight, with about a 7% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the heaviest option for weight, with about a 8% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the lowest output option for max lumens, with about a 77% gap from the closest alternative.
Acebeam PT40 stands out as the highest output option for max lumens, with about a 329% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the shortest runtime option for max runtime, with about a 97% gap from the closest alternative.
Acebeam PT40 stands out as the longest runtime option for max runtime, with about a 2809% 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$175Cheapest
US$399Most expensive
Weight
145 g (5.11 oz)Lightest
156 g (5.50 oz)Heaviest
Length
126.8 mm (4.99 in)Shortest
150 mm (5.91 in)Longest
Output
Max lumens
3000 lmHighest output
700 lmLowest output
Max candela
3680 cdLowest candela
100000 cdHighest candela
Beam distance
121 m (397 ft)Lowest
632 m (2073 ft)Highest
Max runtime
4800 minLongest runtime
165 minShortest runtime
Power & durability
Battery type
18650 rechargeable Li-ion
One SF18650 rechargeable or two CR123A lithium primary batteries
Charging type
Micro USB (via included cable, optional battery with USB-C port)
Unknown
Rechargeable
Yes
Yes
IP rating
IP68
IPX7
Impact resistance
1 m (3 ft)
Unknown
Material
A6061-T6 aluminium alloy with Type III hard-anodized finish
Aerospace aluminum, Mil-Spec hard anodized
Use case profile
Best for
Industrial WorkVehicle RepairCampingOutdoor SportsLaw EnforcementEveryday Carry
Long Range Target IdentificationWeapon Mounting For Military/law Enforcement UsePositive Target Identification At Extreme Distance
Common praise
High Brightness And Good Beam QualityVersatile Mounting Options Including Magnetic Tail And Pocket ClipHigh Color Rendering Index Reducing Eye StrainSolid Build Quality With Aircraft Grade Aluminum Body
Outstanding Beam Intensity For Long Range Identification (100,000 Candela)Long Runtime For Its Class (2.5 2.75 Hours)Dual Fuel Capability Offers Flexibility Between Rechargeable Battery And Primary LithiumRugged Aerospace Aluminum Construction With Ipx7 Waterproof RatingCompatible With Multiple Mounting Systems And Remote Switches
Common complaints
Magnet Not Very Strong On Curved Metal SurfacesHeadband Attachment Not Very Comfortable For Switching Between Handheld And Headlamp UsePocket Clip Is Not Very Stiff And Less Comfortable To Clip Onto Pockets
Premium Price PointLower Lumen Output Compared To Some Flood LightsRechargeable Battery Sold Only As Surefire FormatDesigned Primarily For Long Throw Rather Than Wide Area IlluminationHeavier Than Compact Scout Light Variants
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