Comparison Console
Streamlight Syclone vs SureFire M640DFT Turbo Scout Light Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Streamlight Syclone stands out as the lightest option for weight, with about a 4% gap from the closest alternative. Streamlight Syclone stands out as the cheapest option for retail price, with about a 69% gap from the closest alternative. SureFire M640DFT Turbo Scout Light Pro stands out as the highest output option for max lumens, with about a 75% gap from the closest alternative.
Decision Signals
What stands out
Streamlight Syclone stands out as the cheapest option for retail price, with about a 69% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the most expensive option for retail price, with about a 219% gap from the closest alternative.
Streamlight Syclone stands out as the lightest option for weight, with about a 4% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the heaviest option for weight, with about a 4% gap from the closest alternative.
Streamlight Syclone stands out as the lowest output option for max lumens, with about a 43% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the highest output option for max lumens, with about a 75% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the shortest runtime option for max runtime, with about a 71% gap from the closest alternative.
Streamlight Syclone stands out as the longest runtime option for max runtime, with about a 245% 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$125Cheapest
US$399Most expensive
Weight
150 g (5.29 oz)Lightest
156 g (5.50 oz)Heaviest
Length
75.4 mm (2.97 in)Shortest
150 mm (5.91 in)Longest
Output
Max lumens
400 lmLowest output
700 lmHighest output
Max candela
5000 cdLowest candela
100000 cdHighest candela
Beam distance
141 m (463 ft)Lowest
632 m (2073 ft)Highest
Max runtime
570 minLongest runtime
165 minShortest runtime
Power & durability
Battery type
Lithium Ion
One SF18650 rechargeable or two CR123A lithium primary batteries
Charging type
USB rechargeable
Unknown
Rechargeable
Yes
Yes
IP rating
IPX4
IPX7
Impact resistance
2 m (7 ft)
Unknown
Material
Thermoplastic with chemical-resistant lens
Aerospace aluminum, Mil-Spec hard anodized
Use case profile
Best for
Hands-free applicationsPaint matching or color identificationCompact work light
Long range target identificationWeapon mounting for military/law enforcement usePositive target identification at extreme distance
Common praise
Adjustable 360° rotating head for targeting lightBright cool white LED and high CRI Color-Rite LED for color accuracyUSB rechargeable with convenient battery includedCompact and lightweight design
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
Not rated for submersion, only water-resistant (IPX4)No exact dimensions for head/body diameter provided
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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