Comparison Console
Streamlight Siege X vs ThruNite TC20 V3
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TC20 V3 stands out as the lightest option for weight, with about a 3% gap from the closest alternative. Streamlight Siege X stands out as the cheapest option for retail price, with about a 33% gap from the closest alternative. ThruNite TC20 V3 stands out as the highest output option for max lumens, with about a 1352% gap from the closest alternative.
Decision Signals
What stands out
Streamlight Siege X stands out as the cheapest option for retail price, with about a 33% gap from the closest alternative.
ThruNite TC20 V3 stands out as the most expensive option for retail price, with about a 50% gap from the closest alternative.
ThruNite TC20 V3 stands out as the lightest option for weight, with about a 3% gap from the closest alternative.
Streamlight Siege X stands out as the heaviest option for weight, with about a 3% gap from the closest alternative.
Streamlight Siege X stands out as the lowest output option for max lumens, with about a 93% gap from the closest alternative.
ThruNite TC20 V3 stands out as the highest output option for max lumens, with about a 1352% gap from the closest alternative.
Streamlight Siege X stands out as the shortest runtime option for max runtime, with about a 95% gap from the closest alternative.
ThruNite TC20 V3 stands out as the longest runtime option for max runtime, with about a 2012% 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$39.99Cheapest
US$59.95Most expensive
Weight
204.12 g (7.20 oz)Heaviest
198 g (6.98 oz)Lightest
Length
114.3 mm (4.50 in)Shortest
125 mm (4.92 in)Longest
Output
Max lumens
325 lmLowest output
4720 lmHighest output
Max candela
Unknown
16720 cd
Beam distance
Unknown
258 m (846 ft)
Max runtime
1500 minShortest runtime
31680 minLongest runtime
Power & durability
Battery type
USB rechargeable lithium-ion and CR123A
21700 rechargeable lithium-ion
Charging type
USB
USB-C fast charging
Rechargeable
Yes
Yes
IP rating
IPX7
IPX8
Impact resistance
2 m (7 ft)Highest
1.5 m (5 ft)Lowest
Material
Polycarbonate diffuser lens with rubberized top and bottom
Aircraft-grade aluminum
Use case profile
Best for
CampingBackpackingGeneral outdoor useEmergency preparedness
Everyday carryCampingHikingDog walkingEmergency use
Common praise
Lightweight and compactDual functionality as flashlight and lanternUSB rechargeable with battery includedDurable waterproof designMultiple useful lighting modes including red light and SOS
Very bright output with multiple modesUSB-C fast charging convenienceMagnetic tailcap for hands-free useRobust and durable constructionGood beam throw and smooth floodMemory function for last mode
Common complaints
Not very bright compared to high-lumen tactical flashlightsBeam distance and candela not specified
Some heat generated at high outputsMinor learning curve with dial lockout switch
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