IDBI Imperium Platinum vs IDBI Royale Signature
Full side-by-side comparison based on verified card data. Updated April 2026.
Quick Verdict
IDBI Royale Signature Credit Card wins 6 of 8 dimensions with a CardTrail Score of 7.9/10 vs 5.9/10.
| Feature | IDBI Imperium Platinum | IDBI Royale Signature |
|---|---|---|
| CardTrail Score | 5.9/10 | 7.9/10 |
| Annual Fee | ₹499 | Free |
| Base Reward Rate | 0.5% | 3% |
| Max Reward Rate | 0.5% | 3% |
| Forex Markup | 3.5% | 3.5% |
| Domestic Lounges | 0 | 4 |
| International Lounges | 0 | 0 |
| Fuel Surcharge Waiver | No | Yes |
| Network | Visa | Visa |
When to Choose IDBI Imperium Platinum
- You can meet the fee waiver condition: Spend Rs 75K/year
- Your primary spend is: secured-card, credit-building
When to Choose IDBI Royale Signature
- You want a lifetime free card with zero annual cost
- You want higher rewards — up to 3% vs 0.5%
- Airport lounge access matters — 4 domestic visits
- Your primary spend is: rewards, free-card, lounge
Annual Fee Value Analysis
To break even on IDBI Imperium Platinum's ₹499 fee at 0.5% rewards, spend ₹8,317/month.
IDBI Royale Signature is lifetime free — no break-even needed.