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Home/Compare/Cloud Defensive REIN Dual Fuel vs SureFire M640DF Scout PRO

Head-to-Head Comparison

Cloud Defensive REIN Dual Fuel vs SureFire M640DF Scout PRO

Side-by-side specs, scores, and Amazon pricing. Winner badges show which model leads each profile. Full spec comparison is included below.

Cloud Defensive REIN Dual Fuel

Cloud Defensive

REIN Dual Fuel

81
★4.4(102)
Lumens
1,100 lm
Throw
533 m
Runtime (High)
60 min
Weight
196 g
Battery
18650
Currently unavailable
SureFire M640DF Scout PRO

SureFire

M640DF Scout PRO

74
★4.6(323)
Lumens
1,500 lm
Throw
305 m
Runtime (High)
75 min
Weight
200 g
Battery
18650
$379.00Check Price on AmazonLast checked 3 days ago

Winner by Profile

  • Tactical: Cloud Defensive REIN Dual Fuel (76.9 vs 71.9)
  • Everyday Carry: SureFire M640DF Scout PRO (73.5 vs 71.7)
  • Value: Cloud Defensive REIN Dual Fuel (73.7 vs 72.7)
  • Throw: Cloud Defensive REIN Dual Fuel (80.6 vs 73.1)
  • Flood: SureFire M640DF Scout PRO (73.9 vs 72.4)
Spec
Cloud Defensive REIN Dual Fuel

Cloud Defensive REIN Dual Fuel

1,100 lm18650
Currently unavailable
SureFire M640DF Scout PRO

SureFire M640DF Scout PRO

1,500 lm18650
$379.00Check Price on AmazonLast checked 3 days ago
Beam Pattern
▾Price & Scores2
Price$340$379
MSRP$350$369
▾Output & Beam7
Max Lumens1,100 lm1,500 lm
Sustained Lumens600 lm700 lm
Peak Candela71,000 cd23,000 cd
Beam Distance533 m305 m
Beam Patternthrowhybrid
IP RatingIPX8IPX7
Impact Resistance2.0 m1.0 m
▾Runtime3
Runtime (High)60 min75 min
Runtime (500lm)75 min90 min
Turbo Stepdown30 s—
▾Physical5
Weight196 g200 g
Length152 mm156 mm
Head Diameter28.0 mm35.0 mm
Body Diameter25.4 mm25.4 mm
Body MaterialAluminumAluminum
▾Battery & Charging6
Battery Type1865018650
Chargingnonenone
USB-CNoNo
Replaceable BatteryYesYes
Battery IncludedNoNo
Rechargeable BatteryNoNo
▾Features7
Switch Typetailtail
Strobe ModeNoNo
Memory ModeNoNo
LockoutNoNo
Moonlight ModeNoNo
Magnetic TailcapNoNo
Pocket ClipNoNo
▾Checklist9
Impact Resistant✓✓
Waterproof✓✓
USB-C Rechargeable✗✗
Battery Replaceable✓✓
Strobe Mode✗✗
Memory Mode✗✗
Lockout✗✗
Magnetic Tailcap✗✗
Pocket Clip✗✗
▾Category Scores5
Tactical Score76.971.9
EDC Score71.773.5
Value Score73.772.7
Throw Score80.673.1
Flood Score72.473.9
▾Amazon3
Amazon Reviews102323
Amazon Rating4.44.6
Release Year2,0232,020
Cloud DefensiveCurrently unavailable
SureFire
$379.00Check Price on AmazonLast checked 3 days ago

Our Verdict

The Cloud Defensive REIN Dual Fuel takes the edge with a stronger throw profile (80.6 vs 73.9). It's the better pick for throw use. The SureFire M640DF Scout PRO may still be worth considering for flood applications.

Explore More

Cloud Defensive REIN Dual Fuel DetailsSureFire M640DF Scout PRO DetailsBest TacticalBest EDCBest Value

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