Comparison Console
Sofirn IF25A vs Sofirn SP33S
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 9% gap from the closest alternative. Sofirn SP33S stands out as the highest output option for max lumens, with about a 32% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SP33S stands out as the lightest option for weight, with about a 9% gap from the closest alternative.
Sofirn IF25A stands out as the heaviest option for weight, with about a 10% gap from the closest alternative.
Sofirn IF25A stands out as the lowest output option for max lumens, with about a 24% gap from the closest alternative.
Sofirn SP33S stands out as the highest output option for max lumens, with about a 32% gap from the closest alternative.
Sofirn IF25A stands out as the shortest option for length, with about a 16% gap from the closest alternative.
Sofirn SP33S stands out as the longest option for length, with about a 18% gap from the closest alternative.
Sofirn SP33S stands out as the shortest throw option for beam distance, with about a 37% gap from the closest alternative.
Sofirn IF25A stands out as the longest throw option for beam distance, with about a 59% 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$34
Unknown
Weight
165 g (5.82 oz)Heaviest
150 g (5.29 oz)Lightest
Length
106.4 mm (4.19 in)Shortest
126 mm (4.96 in)Longest
Output
Max lumens
3800 lmLowest output
5000 lmHighest output
Max candela
Unknown
Unknown
Beam distance
420 m (1378 ft)Highest
264 m (866 ft)Lowest
Max runtime
Unknown
100 min
Power & durability
Battery type
1x 21700 Li-ion
26650 or 21700 rechargeable Li-ion
Charging type
USB-C charging port (A-to-C cable required)
USB-C internal charging
Rechargeable
Yes
Yes
IP rating
IPX8 (submersible up to 2m for 30 minutes)
IPX8
Impact resistance
Unknown
Unknown
Material
6061 aluminum alloy, hard-anodized, aircraft-grade aluminum
Aluminum alloy, T6061-T6
Use case profile
Best for
EDC use with high brightness and compact sizeCamping and outdoor use requiring wide flood beamUsers needing USB-C rechargeable flashlight
EDCCampingHikingOutdoor activities
Common praise
High maximum output (3800 lumens) with good beam profileCompact and lightweight for a 21700 lightSmooth brightness control with Anduril UIGood build quality with aircraft-grade aluminumBuilt-in USB-C charging port
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
No pocket clip included, reducing ease of carryBezel and lanyard hole have some sharp edgesSome complexity in the Anduril user interface for advanced featuresHeats up quickly on turbo mode limiting runtimeThe rubber port cover reduces waterproofness if not properly sealed
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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