Comparison Console
Sofirn SP40 vs ThruNite TH20
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TH20 stands out as the lightest option for weight, with about a 18% gap from the closest alternative. ThruNite TH20 stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative. Sofirn SP40 stands out as the highest output option for max lumens, with about a 131% gap from the closest alternative.
Decision Signals
What stands out
ThruNite TH20 stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative.
Sofirn SP40 stands out as the most expensive option for retail price, with about a 20% gap from the closest alternative.
ThruNite TH20 stands out as the lightest option for weight, with about a 18% gap from the closest alternative.
Sofirn SP40 stands out as the heaviest option for weight, with about a 22% gap from the closest alternative.
ThruNite TH20 stands out as the lowest output option for max lumens, with about a 57% gap from the closest alternative.
Sofirn SP40 stands out as the highest output option for max lumens, with about a 131% gap from the closest alternative.
Sofirn SP40 stands out as the shortest runtime option for max runtime, with about a 1% gap from the closest alternative.
ThruNite TH20 stands out as the longest runtime option for max runtime, with about a 1% 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$36Most expensive
US$29.99Cheapest
Weight
93 g (3.28 oz)Heaviest
76 g (2.68 oz)Lightest
Length
108 mm (4.25 in)Longest
70 mm (2.76 in)Shortest
Output
Max lumens
1200 lmHighest output
520 lmLowest output
Max candela
4520 cdHighest candela
1120 cdLowest candela
Beam distance
136 m (446 ft)Highest
67 m (220 ft)Lowest
Max runtime
13200 minShortest runtime
13320 minLongest runtime
Power & durability
Battery type
1x18650 Li-Ion
1x AA or 1x 14500 lithium ion battery
Charging type
Micro-USB
Unknown
Rechargeable
Yes
Yes
IP rating
IPX7
IPX-8 (2 meters)
Impact resistance
Unknown
1.5 m (5 ft)
Material
Aluminum
Aircraft-grade aluminum with type III hard anodized finish
Use case profile
Best for
CampingHikingIndustrial useClose-range workBudget headlamp use
Hands-free lighting tasksCampingReadingOutdoor activities
Common praise
High lumen output for priceGood beam quality with Cree XP-L LED and OP reflectorLightweight and comfortable headbandDurable aluminum construction with good waterproofingMagnetic tailcap for hands-free useLow voltage protection to safeguard battery
Comfortable headstrap and lightweight designSmooth ramping user interface with mode memoryGood output for size and battery typeDurable anodized aluminum constructionWaterproof to IPX-8 standard
Common complaints
Lack of a moonlight modeHeadband loops are somewhat tightClip could be deeper to improve balanceNo USB-C charging (uses micro-USB)
No on-board chargingNo low voltage protection for 14500 batteryLimited retention options — designed primarily for use with headstrapE-switch located on end can be slightly awkward to operate
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