Comparison Console
Acebeam X45 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 21% gap from the closest alternative. Acebeam X45 stands out as the cheapest option for retail price, with about a 22% gap from the closest alternative. Nitecore TM20K stands out as the highest output option for max lumens, with about a 11% gap from the closest alternative.
Decision Signals
What stands out
Acebeam X45 stands out as the cheapest option for retail price, with about a 22% gap from the closest alternative.
Nitecore TM20K stands out as the most expensive option for retail price, with about a 28% gap from the closest alternative.
Nitecore TM20K stands out as the lightest option for weight, with about a 21% gap from the closest alternative.
Acebeam X45 stands out as the heaviest option for weight, with about a 27% gap from the closest alternative.
Acebeam X45 stands out as the lowest output option for max lumens, with about a 10% gap from the closest alternative.
Nitecore TM20K stands out as the highest output option for max lumens, with about a 11% gap from the closest alternative.
Nitecore TM20K stands out as the shortest runtime option for max runtime, with about a 96% gap from the closest alternative.
Acebeam X45 stands out as the longest runtime option for max runtime, with about a 2285% 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$234.9Cheapest
US$299.95Most expensive
Weight
535 g (18.87 oz)Heaviest
422 g (14.89 oz)Lightest
Length
156.7 mm (6.17 in)Longest
145.5 mm (5.73 in)Shortest
Output
Max lumens
18000 lmLowest output
20000 lmHighest output
Max candela
109000 cdHighest candela
22200 cdLowest candela
Beam distance
660 m (2165 ft)Highest
290 m (951 ft)Lowest
Max runtime
18600 minLongest runtime
780 minShortest runtime
Power & durability
Battery type
4 x 18650 Lithium-Ion (IMR) batteries
Built-in 2 x 21700 Li-ion rechargeable batteries, 9600mAh total capacity
Charging type
Unknown
USB-C with Quick Charge support
Rechargeable
Unknown
Yes
IP rating
IPX8 (submersible to 2m / 6.6')
IP68
Impact resistance
1.2 m (4 ft)Highest
1 m (3 ft)Lowest
Material
Aircraft grade aluminum with Type III hard-anodized anti-abrasive finish, ultra-clear tempered glass with AR coating, stainless steel crenelated bezel
Aero grade aluminum alloy with HA III military grade hard-anodized finish
Use case profile
Best for
Search And RescueCampingHuntingSelf DrivingOutdoor Illumination
Tactical ActivitiesSearch And RescueOutdoor ActivitiesIndustrial UseSelf Preservation And Active Threat Mitigation
Common praise
Extremely Bright OutputDigitally Regulated Output Maintains Consistent BrightnessDurable Build Quality With Aircraft Grade Aluminum And Toughened GlassMulti Mode Output Including Strobe And FireflyLong Battery Runtimes On Lower Modes
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
Can Get Hot On Max Output Leading To Step DownHeavy Weight For EDC At 535 GramsUser Reports Of Customer Service Issues With Warranty And Import Duties
Relatively Heavy And Bulky For Everyday CarryBurst Mode Duration Is Short
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