Diehl Defence IRIS-T SLM vs Almaz-Antey 9K33 Osa
Diehl Defence IRIS-T SLM and Almaz-Antey 9K33 Osa are both air defense system, compared here on public specifications. The Diehl Defence IRIS-T SLM leads on engagement range (40 vs 10 km). Several Russia-origin figures here are manufacturer or state claims with limited independent verification, so treat this comparison as directional.
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Full data
Full spec sheet
 Diehl Defence IRIS-T SLM
Wins 5/7 |  Almaz-Antey 9K33 Osa
Wins 2/7 | |
|---|---|---|
| Performance | ||
| Max speed (Mach) (Mach) | 3 Mach ✓ | 2.4 Mach |
| Engagement range (km) | 40 km ✓ | 10 km |
| Engagement altitude (m) | 20,000 m ✓ | 5,000 m |
| Simultaneous targets | 8 ✓ | 2 |
| Firepower | ||
| Warhead (kg) | 11 kg | 15 kg ✓ |
| Sensors & avionics | ||
| Radar range (km) | 250 km ✓ | 40 km |
| Program | ||
| Unit cost (USD) | $150,000,000 | N/A |
| Units built | N/A | 1,200 |
| Operator countries | 5 | 25 ✓ |
Frequently asked questions
Which has the longer engagement range? +
The Diehl Defence IRIS-T SLM has the longest engagement range at 40 km.
Which is cheaper? +
The Diehl Defence IRIS-T SLM has the lower public unit-cost figure at 150,000,000 USD. Treat this as directional, defense pricing varies by contract and configuration.
Which has the higher max speed (mach)? +
The Diehl Defence IRIS-T SLM has the higher max speed (mach) at 3 Mach.
Which has the higher simultaneous targets? +
The Diehl Defence IRIS-T SLM has the higher simultaneous targets at 8.
Which has the higher warhead? +
The Almaz-Antey 9K33 Osa has the higher warhead at 15 kg.
Which has the higher engagement altitude? +
The Diehl Defence IRIS-T SLM has the higher engagement altitude at 20,000 m.
Is the Diehl Defence IRIS-T SLM better than the Almaz-Antey 9K33 Osa? +
On the public specs we track, the Diehl Defence IRIS-T SLM leads on 5 of 6 headline metrics, see the full spec sheet for the metric-by-metric breakdown.
Where does this comparison data come from? +
Every figure in the table is sourced from public manufacturer pages, defense-ministry releases and reference publications, and is verifiable on each system's spec page. WeaponSpecs does not accept vendor placement.
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