Comparison Console
Nitecore SRT6i vs SureFire X400V
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
SureFire X400V stands out as the lightest option for weight, with about a 3% gap from the closest alternative. Nitecore SRT6i stands out as the cheapest option for retail price, with about a 81% gap from the closest alternative. Nitecore SRT6i stands out as the highest output option for max lumens, with about a 500% gap from the closest alternative.
Decision Signals
What stands out
Nitecore SRT6i stands out as the cheapest option for retail price, with about a 81% gap from the closest alternative.
SureFire X400V stands out as the most expensive option for retail price, with about a 415% gap from the closest alternative.
SureFire X400V stands out as the lightest option for weight, with about a 3% gap from the closest alternative.
Nitecore SRT6i stands out as the heaviest option for weight, with about a 3% gap from the closest alternative.
SureFire X400V stands out as the lowest output option for max lumens, with about a 83% gap from the closest alternative.
Nitecore SRT6i stands out as the highest output option for max lumens, with about a 500% gap from the closest alternative.
SureFire X400V stands out as the shortest runtime option for max runtime, with about a 96% gap from the closest alternative.
Nitecore SRT6i stands out as the longest runtime option for max runtime, with about a 2700% 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$145.49Cheapest
US$749Most expensive
Weight
167 g (5.89 oz)Heaviest
162 g (5.71 oz)Lightest
Length
163 mm (6.42 in)Longest
101 mm (3.98 in)Shortest
Output
Max lumens
2100 lmHighest output
350 lmLowest output
Max candela
65200 cdHighest candela
11500 cdLowest candela
Beam distance
510 m (1673 ft)Highest
225 m (738 ft)Lowest
Max runtime
4200 minLongest runtime
150 minShortest runtime
Power & durability
Battery type
1x21700i Li-ion (NL2150HPi 5000mAh), 2xCR123, 2xRCR123/16340
Two 123A lithium
Charging type
USB Type-C
Unknown
Rechargeable
Yes
No
IP rating
IP68
IPX4
Impact resistance
2 m (7 ft)
Unknown
Material
Aero grade aluminum alloy with HA III military grade hard-anodized finish; strike bezel with high strength silicon nitride ceramics
Aluminum with Mil-Spec hard anodizing
Use case profile
Best for
Tactical useLong range searchlightLaw enforcementHunting
Tactical operationsUse with night vision devicesForce-on-force trainingWeapon mounting on handguns and long guns
Common praise
Intuitive no-nonsense user interface with rotary selector ringImpressive long throw and beam intensitySolid build quality with durable materialsIntegrated USB-C charging with included proprietary batteryTactical features such as strobe ready mode and lockout
Versatile dual-spectrum illumination modesHigh-quality recoil-proof LEDs with stable outputMultiple activation switch options with ambidextrous controlsDurable aerospace aluminum body with hard anodized finishEffective infrared laser for stealth and training
Common complaints
Large head size makes pocket carry inconvenientRequires proprietary battery which limits standard battery use
Relatively short runtime on high output white lightNo rechargeable battery or charging options includedIPX4 water resistance may not suit extreme wet environmentsRelatively high retail price compared to casual flashlights
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