Comparison Console
Sofirn SD11 Diving Light vs Wurkkos TD01 SFT40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Wurkkos TD01 SFT40 stands out as the lightest option for weight, with about a 21% gap from the closest alternative. Wurkkos TD01 SFT40 stands out as the cheapest option for retail price, with about a 32% gap from the closest alternative. Sofirn SD11 Diving Light stands out as the highest output option for max lumens, with about a 127% gap from the closest alternative.
Decision Signals
What stands out
Wurkkos TD01 SFT40 stands out as the cheapest option for retail price, with about a 32% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the most expensive option for retail price, with about a 46% gap from the closest alternative.
Wurkkos TD01 SFT40 stands out as the lightest option for weight, with about a 21% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the heaviest option for weight, with about a 26% gap from the closest alternative.
Wurkkos TD01 SFT40 stands out as the lowest output option for max lumens, with about a 56% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the highest output option for max lumens, with about a 127% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the shortest runtime option for max runtime, with about a 84% gap from the closest alternative.
Wurkkos TD01 SFT40 stands out as the longest runtime option for max runtime, with about a 536% 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$59.99Most expensive
US$41Cheapest
Weight
331 g (11.68 oz)Heaviest
262 g (9.24 oz)Lightest
Length
155.3 mm (6.11 in)Longest
152 mm (5.98 in)Shortest
Output
Max lumens
5000 lmHighest output
2200 lmLowest output
Max candela
14800 cdLowest candela
270000 cdHighest candela
Beam distance
244 m (801 ft)Lowest
1039 m (3409 ft)Highest
Max runtime
660 minShortest runtime
4200 minLongest runtime
Power & durability
Battery type
1 x 26800 rechargeable lithium ion battery (7500mAh)
21700 Li-ion
Charging type
USB Type-C
USB-C on-board charging
Rechargeable
Yes
Yes
IP rating
IPX8 (100 meters waterproof)
IPX8
Impact resistance
1.5 m (5 ft)
Unknown
Material
AL6061-T6 aluminum alloy
Aluminum body with aluminum bezel
Use case profile
Best for
Scuba divingUnderwater photographyFishingCave explorationWater work
Long-range throwTactical useOutdoor distance lighting
Common praise
Very bright 5000 lumens with long 244 meter beam distanceOutstanding color rendering with CRI 90 warm light and neutral white optionDurable aluminum construction with IPX8 100m waterproof ratingConvenient USB-C recharge and included high-capacity batterySimple yet effective dual-switch interface with battery level indication
Powerful long-range throw with a large TIR opticGood value for its price pointUSB-C on-board charging with included 21700 batterySolid build quality for a budget flashlightDual-switch UI with tactical and general modes
Common complaints
Relatively heavy at 331 grams with batteryLarge size compared to typical EDC flashlightsNo detailed official specs for the included proprietary battery
Tail switch is rubbery, protrudes too much, and prevents stable tailstandingSide switch feels mushy compared to other modelsSome PWM present on lower modesBeam has visible rings on walls but not noticeable outdoorsMode shortcut functions may be confusing or overcomplicated
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