SureFire
M640 U-Pro
- Lumens
- 1,000 lm
- Throw
- 250 m
- Runtime (High)
- 90 min
- Weight
- 184 g
- Battery
- 18650
$315.00Check Price on AmazonLast checked 20h ago
Head-to-Head Comparison
SureFire M640 U-Pro vs SureFire X300 Ultra
Side-by-side specs, scores, and Amazon pricing. Winner badges show which model leads each profile. Full spec comparison is included below.
SureFire
X300 Ultra
- Lumens
- 1,000 lm
- Throw
- 283 m
- Runtime (High)
- 90 min
- Weight
- 136 g
- Battery
- CR123A
Currently unavailable
Winner by Profile
- Tactical: SureFire X300 Ultra (72.4 vs 71.6)
- Everyday Carry: SureFire M640 U-Pro (73.3 vs 72.0)
- Value: SureFire X300 Ultra (70.8 vs 70.0)
- Throw: SureFire X300 Ultra (73.1 vs 72.0)
- Flood: SureFire M640 U-Pro (72.2 vs 71.7)
| Spec | ||
|---|---|---|
| Beam Pattern | ||
| ▾Price & Scores2 | ||
| Price | $315 | $341 |
| MSRP | $280 | $341 |
| ▾Output & Beam7 | ||
| Max Lumens | 1,000 lm | 1,000 lm |
| Sustained Lumens | 500 lm | 500 lm |
| Peak Candela | 16,000 cd | 20,000 cd |
| Beam Distance | 250 m | 283 m |
| Beam Pattern | hybrid | flood |
| IP Rating | IPX7 | IPX7 |
| Impact Resistance | 1.0 m | 1.5 m |
| ▾Runtime3 | ||
| Runtime (High) | 90 min | 90 min |
| Runtime (500lm) | 110 min | — |
| Turbo Stepdown | 60 s | — |
| ▾Physical5 | ||
| Weight | 184 g | 136 g |
| Length | 155 mm | 93 mm |
| Head Diameter | 25.4 mm | 37.0 mm |
| Body Diameter | 25.4 mm | 37.0 mm |
| Body Material | Aluminum | Aluminum |
| ▾Battery & Charging6 | ||
| Battery Type | 18650 | CR123A |
| Charging | none | none |
| USB-C | No | No |
| Replaceable Battery | Yes | Yes |
| Battery Included | No | No |
| Rechargeable Battery | No | No |
| ▾Features7 | ||
| Switch Type | tail | side |
| Strobe Mode | No | No |
| Memory Mode | No | No |
| Lockout | No | No |
| Moonlight Mode | No | No |
| Magnetic Tailcap | No | No |
| Pocket Clip | No | No |
| ▾Checklist9 | ||
| Impact Resistant | ✓ | ✓ |
| Waterproof | ✓ | ✓ |
| USB-C Rechargeable | ✗ | ✗ |
| Battery Replaceable | ✓ | ✓ |
| Strobe Mode | ✗ | ✗ |
| Memory Mode | ✗ | ✗ |
| Lockout | ✗ | ✗ |
| Magnetic Tailcap | ✗ | ✗ |
| Pocket Clip | ✗ | ✗ |
| ▾Category Scores5 | ||
| Tactical Score | 71.6 | 72.4 |
| EDC Score | 73.3 | 72.0 |
| Value Score | 70.0 | 70.8 |
| Throw Score | 72.0 | 73.1 |
| Flood Score | 72.2 | 71.7 |
| ▾Amazon3 | ||
| Amazon Reviews | 964 | 508 |
| Amazon Rating | 4.7 | 4.5 |
| Release Year | 2,022 | 2,019 |
Our Verdict
These two are closely matched. The SureFire M640 U-Pro scores 73.3 (best for edc) while the SureFire X300 Ultra scores 73.1 (best for throw). Your decision should come down to which use case matters more to you.
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