Comparison Console
Sofirn SP33S vs Streamlight MegaStream USB
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SP33S stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Sofirn SP33S stands out as the highest output option for max lumens, with about a 178% gap from the closest alternative. Streamlight MegaStream USB stands out as the longest runtime option for max runtime, with about a 680% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SP33S stands out as the lightest option for weight, with about a 2% gap from the closest alternative.
Streamlight MegaStream USB stands out as the heaviest option for weight, with about a 2% gap from the closest alternative.
Streamlight MegaStream USB stands out as the lowest output option for max lumens, with about a 64% gap from the closest alternative.
Sofirn SP33S stands out as the highest output option for max lumens, with about a 178% gap from the closest alternative.
Sofirn SP33S stands out as the shortest runtime option for max runtime, with about a 87% gap from the closest alternative.
Streamlight MegaStream USB stands out as the longest runtime option for max runtime, with about a 680% gap from the closest alternative.
Sofirn SP33S stands out as the shortest option for length, with about a 6% gap from the closest alternative.
Streamlight MegaStream USB stands out as the longest option for length, with about a 6% 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
Unknown
US$148
Weight
150 g (5.29 oz)Lightest
153 g (5.40 oz)Heaviest
Length
126 mm (4.96 in)Shortest
134 mm (5.28 in)Longest
Output
Max lumens
5000 lmHighest output
1800 lmLowest output
Max candela
Unknown
26000 cd
Beam distance
264 m (866 ft)Lowest
322 m (1056 ft)Highest
Max runtime
100 minShortest runtime
780 minLongest runtime
Power & durability
Battery type
26650 or 21700 rechargeable Li-ion
SL-B34 rechargeable lithium-ion battery pack
Charging type
USB-C internal charging
USB-C charging port accessible without removing the battery
Rechargeable
Yes
Yes
IP rating
IPX8
IPX7 waterproof to 1m for 30 minutes
Impact resistance
Unknown
2 m (7 ft)
Material
Aluminum alloy, T6061-T6
Machined anodized aluminum alloy body with unbreakable polycarbonate lens
Use case profile
Best for
EDCCampingHikingOutdoor Activities
Everyday CarryOutdoor UseHigh Lumen Requirement
Common praise
High Maximum Brightness At 5000 LumensStable Output With Boost DriverConvenient USB C Charging With Powerbank CapabilityGood Build Quality With Flat Tailcap For Stable TailstandingNo Pwm (pulse Width Modulation) In Light Output
Compact Size With High OutputSmooth And Focused BeamConvenient USB C Charging Without Battery RemovalDurable Machined Aluminum BuildLong Runtime On Low Settings
Common complaints
Can Turn Off Under Strong Vibrations Due To Brass Button Contact DesignSome Color Tint Shift In BeamLimited Thermal Regulation Leading To Output Ramping On Turbo Mode
Charging Port Cover Prone To Opening AccidentallyPocket Clip Not Securely AttachedHigh Output Can Be Too Bright For Close Work
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