Comparison Console
Sofirn SD15 vs Wurkkos FC13 SFT40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SD15 stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Wurkkos FC13 SFT40 stands out as the cheapest option for retail price, with about a 13% gap from the closest alternative. Sofirn SD15 stands out as the highest output option for max lumens, with about a 83% gap from the closest alternative.
Decision Signals
What stands out
Wurkkos FC13 SFT40 stands out as the cheapest option for retail price, with about a 13% gap from the closest alternative.
Sofirn SD15 stands out as the most expensive option for retail price, with about a 16% gap from the closest alternative.
Sofirn SD15 stands out as the lightest option for weight, with about a 2% gap from the closest alternative.
Wurkkos FC13 SFT40 stands out as the heaviest option for weight, with about a 2% gap from the closest alternative.
Wurkkos FC13 SFT40 stands out as the lowest output option for max lumens, with about a 45% gap from the closest alternative.
Sofirn SD15 stands out as the highest output option for max lumens, with about a 83% gap from the closest alternative.
Sofirn SD15 stands out as the shortest runtime option for max runtime, with about a 46% gap from the closest alternative.
Wurkkos FC13 SFT40 stands out as the longest runtime option for max runtime, with about a 84% 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$36.99Most expensive
US$32Cheapest
Weight
120 g (4.23 oz)Lightest
122 g (4.30 oz)Heaviest
Length
119 mm (4.69 in)Longest
114 mm (4.49 in)Shortest
Output
Max lumens
3000 lmHighest output
1640 lmLowest output
Max candela
36225 cd
Unknown
Beam distance
381 m (1250 ft)
Unknown
Max runtime
98 minShortest runtime
180 minLongest runtime
Power & durability
Battery type
21700 lithium-ion
18650 lithium-ion
Charging type
External charger (single bay, micro-USB powered)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX8
Unknown
Impact resistance
Unknown
Unknown
Material
Anodized aluminum
Aluminum, hard anodized
Use case profile
Best for
Diving useUnderwater explorationGeneral flashlight use
EDC enthusiasts who want Anduril 2 firmwareUsers wanting a USB-C rechargeable 18650 lightThose needing moderate throw with high output
Common praise
High output with good measured lumensSolid build quality with smooth anodizationEffective rotary dial interface with clear mode detentsIncludes wrist lanyard for retentionExternal charging with included 21700 charger and cable
Good build quality and anodizingUSB-C onboard charging with included cableRamping and versatile Anduril 2 UIModerate size and weight suitable for EDCHigh output with decent throw for an SFT40 emitter
Common complaints
Lack of grip texture on body and tailcapNo onboard chargingNo pouch, magnet, or pocket clip included
Anduril 2 UI can be complicated for some usersTurbo mode runtime is limited (~3 minutes before stepdown)USB-C port recessed and picky with cablesClip not reversible and sticks out when bezel-up carried
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