Arbitrum vs Base
Arbitrum is a L2 launched in 2021 using Optimistic rollup (fraud proofs). Base is a L2 launched in 2023 using Optimistic rollup (OP Stack). On observed throughput, Base leads (13 vs 90 TPS). On typical fees, Base is lower ($0.0400 vs $0.0200).
| Metric | Arbitrum | Base |
|---|---|---|
| Observed TPS | 13 | 90 |
| Theoretical TPS | 2,036 | 2,515 |
| Finality | 828.00 s | 793.00 s |
| Block time | 0.25 s | 2.00 s |
| Avg fee | $0.0400 | $0.0200 |
| Validators | 1 | 1 |
Better value per row marked in colour (higher TPS; lower finality, block time, fee). "—" = no reliable current source.