Comparison Console
Fenix RC40 vs Nitecore TM39
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix RC40 stands out as the lightest option for weight, with about a 4% gap from the closest alternative. Fenix RC40 stands out as the cheapest option for retail price, with about a 4% gap from the closest alternative. Nitecore TM39 stands out as the highest output option for max lumens, with about a 49% gap from the closest alternative.
Decision Signals
What stands out
Fenix RC40 stands out as the cheapest option for retail price, with about a 4% gap from the closest alternative.
Nitecore TM39 stands out as the most expensive option for retail price, with about a 4% gap from the closest alternative.
Fenix RC40 stands out as the lightest option for weight, with about a 4% gap from the closest alternative.
Nitecore TM39 stands out as the heaviest option for weight, with about a 4% gap from the closest alternative.
Fenix RC40 stands out as the lowest output option for max lumens, with about a 33% gap from the closest alternative.
Nitecore TM39 stands out as the highest output option for max lumens, with about a 49% gap from the closest alternative.
Nitecore TM39 stands out as the shortest runtime option for max runtime, with about a 78% gap from the closest alternative.
Fenix RC40 stands out as the longest runtime option for max runtime, with about a 344% 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$480Cheapest
US$499.95Most expensive
Weight
1310 g (46.21 oz)Lightest
1361 g (48.01 oz)Heaviest
Length
299 mm (11.77 in)Longest
276 mm (10.87 in)Shortest
Output
Max lumens
3500 lmLowest output
5200 lmHighest output
Max candela
126000 cdLowest candela
562500 cdHighest candela
Beam distance
710 m (2329 ft)Lowest
1500 m (4921 ft)Highest
Max runtime
9600 minLongest runtime
2160 minShortest runtime
Power & durability
Battery type
Built-in rechargeable Li-ion battery pack 7.4V 7800mAh
NBP68 HD rechargeable battery pack (98Wh, 3400mAh x8, 3.7V)
Charging type
AC adapter and DC car charger
Built-in charging port via AC adapter (3.5mm)
Rechargeable
Yes
Yes
IP rating
IPX-8 underwater 2m
IP68 (up to 2m submersible)
Impact resistance
Unknown
1 m (3 ft)
Material
Durable aircraft-grade aluminum, Type III hard-anodized anti-abrasive finish, toughened ultra-clear glass lens with anti-reflective coating
Aviation grade aluminum alloy with Military grade HA III hard anodized finish
Use case profile
Best for
High output illuminationLong beam distanceRechargeable useTactical and industrial applications
Search and rescueHuntingExplorationLong-range illumination
Common praise
Very bright output suitable for professional useLong beam distance and runtimeSolid build quality and durable materialsDual side switches for quick mode changesPower bank function to charge external devices
Extremely powerful beam with impressive long throwDurable build with waterproof and impact resistanceUser-friendly double-button interface with OLED displayLong runtime on lower modes with included large battery pack
Common complaints
Heavier and larger than typical EDC lightsRuntime in turbo mode is limited due to overheating protectionPrice is relatively highNot waterproof beyond 2 meters depth
Large size and weight limits portability for everyday carryHigher brightness modes have shorter runtimePremium price point
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