Klarus
XT21X Pro
- Lumens
- 4,400 lm
- Throw
- 336 m
- Runtime (High)
- 120 min
- Weight
- 172 g
- Battery
- 21700
Currently unavailable
Head-to-Head Comparison
Klarus XT21X Pro vs Olight Seeker 4 Pro
Side-by-side specs, scores, and Amazon pricing. Winner badges show which model leads each profile. Full spec comparison is included below.
Olight
Seeker 4 Pro
- Lumens
- 4,600 lm
- Throw
- 260 m
- Runtime (High)
- 60 min
- Weight
- 223 g
- Battery
- 21700
$111.99Check Price on AmazonLast checked 10h ago
Winner by Profile
- Tactical: Klarus XT21X Pro (75.3 vs 74.5)
- Everyday Carry: Olight Seeker 4 Pro (80.5 vs 76.9)
- Value: Klarus XT21X Pro (76.8 vs 73.9)
- Throw: Klarus XT21X Pro (74.1 vs 71.9)
- Flood: Olight Seeker 4 Pro (83.7 vs 80.7)
| Spec | ||
|---|---|---|
| Beam Pattern | ||
| ▾Price & Scores2 | ||
| Price | $110 | $112 |
| MSRP | $110 | $150 |
| ▾Output & Beam7 | ||
| Max Lumens | 4,400 lm | 4,600 lm |
| Sustained Lumens | 1,400 lm | 1,500 lm |
| Peak Candela | 19,500 cd | 16,900 cd |
| Beam Distance | 336 m | 260 m |
| Beam Pattern | hybrid | flood |
| IP Rating | IPX8 | IPX8 |
| Impact Resistance | 1.5 m | 1.5 m |
| ▾Runtime3 | ||
| Runtime (High) | 120 min | 60 min |
| Runtime (500lm) | 160 min | 90 min |
| Turbo Stepdown | 60 s | 30 s |
| ▾Physical5 | ||
| Weight | 172 g | 223 g |
| Length | 153 mm | 133 mm |
| Head Diameter | 40.0 mm | 43.0 mm |
| Body Diameter | 27.0 mm | 30.0 mm |
| Body Material | Aluminum | Aluminum |
| ▾Battery & Charging6 | ||
| Battery Type | 21700 | 21700 |
| Charging | usb-c | usb-c |
| USB-C | Yes | Yes |
| Replaceable Battery | Yes | Yes |
| Battery Included | No | No |
| Rechargeable Battery | Yes | Yes |
| ▾Features7 | ||
| Switch Type | dual | side |
| Strobe Mode | Yes | No |
| Memory Mode | Yes | Yes |
| Lockout | Yes | Yes |
| Moonlight Mode | No | Yes |
| Magnetic Tailcap | No | Yes |
| Pocket Clip | Yes | Yes |
| ▾Checklist9 | ||
| Impact Resistant | ✓ | ✓ |
| Waterproof | ✓ | ✓ |
| USB-C Rechargeable | ✓ | ✓ |
| Battery Replaceable | ✓ | ✓ |
| Strobe Mode | ✓ | ✗ |
| Memory Mode | ✓ | ✓ |
| Lockout | ✓ | ✓ |
| Magnetic Tailcap | ✗ | ✓ |
| Pocket Clip | ✓ | ✓ |
| ▾Emitter & Optics1 | ||
| LED / Emitter | — | OSRAM P9 |
| ▾Category Scores5 | ||
| Tactical Score | 75.3 | 74.5 |
| EDC Score | 76.9 | 80.5 |
| Value Score | 76.8 | 73.9 |
| Throw Score | 74.1 | 71.9 |
| Flood Score | 80.7 | 83.7 |
| ▾Amazon3 | ||
| Amazon Reviews | 138 | 1,437 |
| Amazon Rating | 4.4 | 4.6 |
| Release Year | 2,023 | 2,023 |
Our Verdict
These two are closely matched. The Klarus XT21X Pro scores 80.7 (best for flood) while the Olight Seeker 4 Pro scores 83.7 (best for flood). Your decision should come down to which use case matters more to you.
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