Comparison Console
Sofirn SD05 vs Sofirn SP33S
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SD05 stands out as the lightest option for weight, with about a 20% gap from the closest alternative. Sofirn SP33S stands out as the highest output option for max lumens, with about a 67% gap from the closest alternative. Sofirn SP33S stands out as the longest runtime option for max runtime, with about a 2% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SD05 stands out as the lightest option for weight, with about a 20% gap from the closest alternative.
Sofirn SP33S stands out as the heaviest option for weight, with about a 25% gap from the closest alternative.
Sofirn SD05 stands out as the lowest output option for max lumens, with about a 40% gap from the closest alternative.
Sofirn SP33S stands out as the highest output option for max lumens, with about a 67% gap from the closest alternative.
Sofirn SD05 stands out as the shortest runtime option for max runtime, with about a 2% gap from the closest alternative.
Sofirn SP33S stands out as the longest runtime option for max runtime, with about a 2% gap from the closest alternative.
Sofirn SD05 stands out as the shortest option for length, with about a 6% gap from the closest alternative.
Sofirn SP33S 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
US$35.99
Unknown
Weight
120 g (4.23 oz)Lightest
150 g (5.29 oz)Heaviest
Length
119 mm (4.69 in)Shortest
126 mm (4.96 in)Longest
Output
Max lumens
3000 lmLowest output
5000 lmHighest output
Max candela
36225 cd
Unknown
Beam distance
271 m (889 ft)Highest
264 m (866 ft)Lowest
Max runtime
98 minShortest runtime
100 minLongest runtime
Power & durability
Battery type
21700 rechargeable lithium-ion
26650 or 21700 rechargeable Li-ion
Charging type
External charger via micro-USB
USB-C internal charging
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
Unknown
Unknown
Material
Aircraft-grade aluminum alloy with hard anodized finish
Aluminum alloy, T6061-T6
Use case profile
Best for
Scuba diving up to 100 metersCampingHuntingGeneral outdoor use
EDCCampingHikingOutdoor activities
Common praise
High output brightness up to 3000 lumensGood build quality and anodization finishSolid waterproofing confirmed to 100 metersStable runtime and no PWM detectedEasy and intuitive rotary dial interfaceIncludes battery, charger, and lanyard in package
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
Common complaints
Lack of grip on body tubeNo pocket clip or magnet for carryNo SOS or strobe modesSome desire for wider tint optionCharging is external only, not built-in
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
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