Olight Seeker 3 Pro vs SureFire G2X Pro size comparison
The SureFire G2X Pro is about the same length as the Olight Seeker 3 Pro, and 3.3 mm narrower at its widest point. It is 75 g lighter (with battery).
The SureFire G2X Pro is about the same length as the Olight Seeker 3 Pro, and 3.3 mm narrower at its widest point. It is 75 g lighter (with battery).
Dimensions
| Olight Seeker 3 Pro Check price ↗ | SureFire G2X Pro Check price ↗ | |
| Length | 132 mm (5.20 in) | 132.1 mm (5.20 in)+0.1 mm |
| Head / width | 35 mm (1.38 in) | 31.8 mm (1.25 in)−3.3 mm |
| Body | 28 mm (1.10 in) | 25.4 mm (1.00 in)−2.6 mm |
| Weight | 200 g with battery | 124.7 g with batteries−75 g |
| Battery | 21700 | 2x CR123A |
| Max output | 4,200 lm | 600 lm |
| Throw | 250 m | — |
| Type | EDC not on olight.com (US) | EDC |
| Price | $139.95 at batteryjunction.com, as of Nov 4, 2026 | $99.00 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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Seeker 3 Pro vs G2X Pro: how they differ
Size and weight
The Olight Seeker 3 Pro and SureFire G2X Pro are the same length to within half a millimetre (132 mm (5.20 in)). At its widest point the SureFire G2X Pro is 3.3 mm slimmer (31.8 vs 35 mm). The SureFire G2X Pro is 75 g lighter (124.7 g vs 200 g, with battery).
Brightness and throw
The Olight Seeker 3 Pro is rated brighter: 4,200 lm maximum vs 600 lm for the SureFire G2X Pro, 600% more.
Battery
The Olight Seeker 3 Pro runs on a removable 21700 battery; the SureFire G2X Pro runs on removable 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a CR123A about 17 × 34.5 mm (nominal).
Price
When we checked on Nov 4, 2026, the Olight Seeker 3 Pro was $139.95 at batteryjunction.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the SureFire G2X Pro cost $40.95 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Olight Seeker 3 Pro if you want more output (4,200 lm vs 600 lm). Choose the SureFire G2X Pro if you want a slimmer profile (3.3 mm narrower) and less weight (75 g lighter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Olight Seeker 3 Pro Check price ↗ SureFire G2X Pro
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Seeker 3 Pro vs G2X Pro FAQ
Which is smaller, the Olight Seeker 3 Pro or the SureFire G2X Pro?
The Olight Seeker 3 Pro and SureFire G2X Pro are the same length to within half a millimetre (132 mm (5.20 in)). At its widest point the SureFire G2X Pro is 3.3 mm slimmer (31.8 vs 35 mm). The SureFire G2X Pro is 75 g lighter (124.7 g vs 200 g, with battery).
Which is brighter, the Olight Seeker 3 Pro or the SureFire G2X Pro?
The Olight Seeker 3 Pro is rated brighter: 4,200 lm maximum vs 600 lm for the SureFire G2X Pro, 600% more.
Which is cheaper, the Olight Seeker 3 Pro or the SureFire G2X Pro?
When we checked on Nov 4, 2026, the Olight Seeker 3 Pro was $139.95 at batteryjunction.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the SureFire G2X Pro cost $40.95 less. Prices change often, so check the current price before you buy.
Do the Olight Seeker 3 Pro and SureFire G2X Pro use the same battery?
The Olight Seeker 3 Pro runs on a removable 21700 battery; the SureFire G2X Pro runs on removable 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a CR123A about 17 × 34.5 mm (nominal).
Compare Olight Seeker 3 Pro with similar lights
Compare SureFire G2X Pro with similar lights
More
Sources
- Olight Seeker 3 Pro: specs from manufacturer published specs as listed by batteryjunction.com. Price $139.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- SureFire G2X Pro: specs from manufacturer published specs as listed by batteryjunction.com. Price $99.00 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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