Comparison Console
Acebeam K65 vs Nitecore TM20K
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore TM20K stands out as the lightest option for weight, with about a 36% gap from the closest alternative. Acebeam K65 stands out as the cheapest option for retail price, with about a 25% gap from the closest alternative. Nitecore TM20K stands out as the highest output option for max lumens, with about a 223% gap from the closest alternative.
Decision Signals
What stands out
Acebeam K65 stands out as the cheapest option for retail price, with about a 25% gap from the closest alternative.
Nitecore TM20K stands out as the most expensive option for retail price, with about a 34% gap from the closest alternative.
Nitecore TM20K stands out as the lightest option for weight, with about a 36% gap from the closest alternative.
Acebeam K65 stands out as the heaviest option for weight, with about a 56% gap from the closest alternative.
Acebeam K65 stands out as the lowest output option for max lumens, with about a 69% gap from the closest alternative.
Nitecore TM20K stands out as the highest output option for max lumens, with about a 223% gap from the closest alternative.
Nitecore TM20K stands out as the shortest runtime option for max runtime, with about a 78% gap from the closest alternative.
Acebeam K65 stands out as the longest runtime option for max runtime, with about a 362% 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$224Cheapest
US$299.95Most expensive
Weight
660 g (23.28 oz)Heaviest
422 g (14.89 oz)Lightest
Length
190 mm (7.48 in)Longest
145.5 mm (5.73 in)Shortest
Output
Max lumens
6200 lmLowest output
20000 lmHighest output
Max candela
257000 cdHighest candela
22200 cdLowest candela
Beam distance
1014 m (3327 ft)Highest
290 m (951 ft)Lowest
Max runtime
3600 minLongest runtime
780 minShortest runtime
Power & durability
Battery type
4x 18650
Built-in 2 x 21700 Li-ion rechargeable batteries, 9600mAh total capacity
Charging type
Unknown
USB-C with Quick Charge support
Rechargeable
Yes
Yes
IP rating
IPX8 (2m)
IP68
Impact resistance
1.2 m (4 ft)Highest
1 m (3 ft)Lowest
Material
Aircraft-grade aluminium alloy Type 6063 with premium type III hard anodized anti-abrasive finish, stainless steel bezel
Aero grade aluminum alloy with HA III military grade hard-anodized finish
Use case profile
Best for
SearchingHuntingRescuingSecuringCavingOutdoor activitiesLaw enforcementEmergency servicesNature conservationNocturnal adventurers
Tactical activitiesSearch and rescueOutdoor activitiesIndustrial useSelf-preservation and active threat mitigation
Common praise
Extremely high maximum output and throwLong runtime on lower modesRobust build quality with premium materialsEasy one-handed operation via side electronic switchEffective thermal regulation and battery power indicatorsMultiple brightness levels and special modes like strobe and SOS
Extremely high brightness outputSolid and durable CNC machined unibody constructionVersatile dual switch with tactical featuresStable output with advanced thermal regulationGood waterproofing and impact resistance
Common complaints
Heavier and larger compared to smaller EDC flashlightsHotspot tint with some yellowish corona noted in beamSide switch has small UI quirks such as mode skippingBezel can get damaged when dropped despite stainless steel material
Relatively heavy and bulky for everyday carryBurst mode duration is short
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