Comparison Console
Streamlight MegaStream USB vs SureFire X400V
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Streamlight MegaStream USB stands out as the lightest option for weight, with about a 6% gap from the closest alternative. Streamlight MegaStream USB stands out as the cheapest option for retail price, with about a 80% gap from the closest alternative. Streamlight MegaStream USB stands out as the highest output option for max lumens, with about a 414% gap from the closest alternative.
Decision Signals
What stands out
Streamlight MegaStream USB stands out as the cheapest option for retail price, with about a 80% gap from the closest alternative.
SureFire X400V stands out as the most expensive option for retail price, with about a 406% gap from the closest alternative.
Streamlight MegaStream USB stands out as the lightest option for weight, with about a 6% gap from the closest alternative.
SureFire X400V stands out as the heaviest option for weight, with about a 6% gap from the closest alternative.
SureFire X400V stands out as the lowest output option for max lumens, with about a 81% gap from the closest alternative.
Streamlight MegaStream USB stands out as the highest output option for max lumens, with about a 414% gap from the closest alternative.
SureFire X400V stands out as the shortest runtime option for max runtime, with about a 81% gap from the closest alternative.
Streamlight MegaStream USB stands out as the longest runtime option for max runtime, with about a 420% 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$148Cheapest
US$749Most expensive
Weight
153 g (5.40 oz)Lightest
162 g (5.71 oz)Heaviest
Length
134 mm (5.28 in)Longest
101 mm (3.98 in)Shortest
Output
Max lumens
1800 lmHighest output
350 lmLowest output
Max candela
26000 cdHighest candela
11500 cdLowest candela
Beam distance
322 m (1056 ft)Highest
225 m (738 ft)Lowest
Max runtime
780 minLongest runtime
150 minShortest runtime
Power & durability
Battery type
SL-B34 rechargeable lithium-ion battery pack
Two 123A lithium
Charging type
USB-C charging port accessible without removing the battery
Unknown
Rechargeable
Yes
No
IP rating
IPX7 waterproof to 1m for 30 minutes
IPX4
Impact resistance
2 m (7 ft)
Unknown
Material
Machined anodized aluminum alloy body with unbreakable polycarbonate lens
Aluminum with Mil-Spec hard anodizing
Use case profile
Best for
Everyday carryOutdoor useHigh-lumen requirement
Tactical operationsUse with night vision devicesForce-on-force trainingWeapon mounting on handguns and long guns
Common praise
Compact size with high outputSmooth and focused beamConvenient USB-C charging without battery removalDurable machined aluminum buildLong runtime on low settings
Versatile dual-spectrum illumination modesHigh-quality recoil-proof LEDs with stable outputMultiple activation switch options with ambidextrous controlsDurable aerospace aluminum body with hard anodized finishEffective infrared laser for stealth and training
Common complaints
Charging port cover prone to opening accidentallyPocket clip not securely attachedHigh output can be too bright for close work
Relatively short runtime on high output white lightNo rechargeable battery or charging options includedIPX4 water resistance may not suit extreme wet environmentsRelatively high retail price compared to casual flashlights