Comparison Console
Acebeam W20 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 W20 stands out as the lightest option for weight, with about a 16% gap from the closest alternative. Acebeam W20 stands out as the cheapest option for retail price, with about a 52% gap from the closest alternative. SureFire M640DFT Turbo Scout Light Pro stands out as the highest output option for max lumens, with about a 17% gap from the closest alternative.
Decision Signals
What stands out
Acebeam W20 stands out as the cheapest option for retail price, with about a 52% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the most expensive option for retail price, with about a 110% gap from the closest alternative.
Acebeam W20 stands out as the lightest option for weight, with about a 16% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the heaviest option for weight, with about a 19% gap from the closest alternative.
Acebeam W20 stands out as the lowest output option for max lumens, with about a 14% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the highest output option for max lumens, with about a 17% gap from the closest alternative.
Acebeam W20 stands out as the shortest runtime option for max runtime, with about a 52% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the longest runtime option for max runtime, with about a 106% 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$399Most expensive
Weight
130.6 g (4.61 oz)Lightest
156 g (5.50 oz)Heaviest
Length
115.1 mm (4.53 in)Shortest
150 mm (5.91 in)Longest
Output
Max lumens
600 lmLowest output
700 lmHighest output
Max candela
302500 cdHighest candela
100000 cdLowest candela
Beam distance
1100 m (3609 ft)Highest
632 m (2073 ft)Lowest
Max runtime
80 minShortest runtime
165 minLongest runtime
Power & durability
Battery type
16340 rechargeable Li-ion (compatible with CR123 primary battery)
One SF18650 rechargeable or two CR123A lithium primary batteries
Charging type
USB-C (on battery)
Unknown
Rechargeable
Yes
Yes
IP rating
IP68
IPX7
Impact resistance
1.5 m (5 ft)
Unknown
Material
Aerospace-grade AL6061-T6 aluminum with hard-anodized finish
Aerospace aluminum, Mil-Spec hard anodized
Use case profile
Best for
Tactical useLong-range spottingClose-range illuminationOutdoor adventuresSearch and rescueEveryday carry
Long range target identificationWeapon mounting for military/law enforcement usePositive target identification at extreme distance
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.
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
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.
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