Comparison: Ethereum (Post-Glamsterdam) vs. Solana
Published 7/7/2026, 6:12:45 PM
Ethereum's Glamsterdam upgrade, scheduled for late 2026, represents a strategic pivot toward scaling the Layer 1 (L1) base layer through parallel execution. While it significantly narrows the performance gap, research indicates it will not make Ethereum "competitive" with Solana on pure speed or cost metrics. Instead, Glamsterdam aims to solidify Ethereum's position as the primary settlement layer for high-value institutional capital by offering a 10,000 TPS target and a ~79% reduction in L1 fees.
Comparison: Ethereum (Post-Glamsterdam) vs. Solana (2026)
| Metric | Ethereum (Post-Glamsterdam) | Solana (Current/2026) | Winner |
|---|---|---|---|
| Target Throughput | ~10,000 TPS (Theoretical) | 3,000 - 5,000 TPS (Effective) | Ethereum (Target) |
| Block Time | 12 seconds | 400 milliseconds | Solana |
| Finality | ~12 minutes | 6.4 seconds (post-Firedancer) | Solana |
| Avg. Transaction Fee | ~$0.02 - $0.10 (Projected) | <$0.001 | Solana |
| Architecture | Modular (L1 + L2 Rollups) | Monolithic (Single Global State) | Use-case dependent |
| Institutional TVL | ~$123 Billion [Note: not independently confirmed] | ~$12 Billion | Ethereum |
Technical Improvements in Glamsterdam
The upgrade introduces several key Ethereum Improvement Proposals (EIPs) designed to modernize the aging L1 architecture:
- Parallel Execution (EIP-7928): Introduces Block-Level Access Lists (BALs), allowing validators to process independent transactions simultaneously rather than sequentially [Source: https://ethereum.org/en/roadmap/glamsterdam/].
- Enshrined PBS (EIP-7732): Moves block-building on-chain to reduce MEV centralization and expand the transaction processing window [Source: https://ethereum.org/en/roadmap/glamsterdam/].
- Gas Repricing (EIP-7904): Expected to result in a 78.6% reduction in L1 transaction fees [Source: https://arxiv.org/html/2606.22206v1].
Solana’s Structural Advantages
Despite Ethereum's upgrades, Solana maintains a lead in latency and user experience for retail applications:
- Latency: Solana’s 400ms block times provide a "web2-like" experience that Ethereum’s 12-second blocks cannot match at the L1 level [Source: https://solana.com/news/performance-report-q1-2026].
- Firedancer Performance: The Firedancer validator client has demonstrated the ability to process over 1 million TPS in test environments, far exceeding Ethereum's 10,000 TPS target [Source: https://blockeden.xyz/blog/2026/02/26/solana-firedancer-alpenglow-1m-tps/].
- Unified State: Solana avoids the liquidity fragmentation seen in Ethereum's L2 ecosystem, where users must bridge assets between chains like Base or Arbitrum [Source: https://solana.com/news/performance-report-q1-2026].
Competitive Outlook
Glamsterdam makes Ethereum competitive for mid-tier DeFi and institutional settlement, but it does not replace Solana for high-frequency trading or sub-cent retail payments. Research suggests that while L1 fees remain higher on Ethereum, the fees on its Layer 2 networks are expected to converge with Solana's by October 2026 [Source: https://arxiv.org/html/2606.22206v1].
Unresolved Data Points:
- Launch Timing: While some sources target late August 2026, others indicate a broader H1 2026 window [Source: https://www.tradingview.com/news/coinpedia:798af2660094b:0-ethereum-outlines-2026-glamsterdam-hardfork-eth-still-below-2k/].
- TVL Verification: The specific $123 billion institutional TVL figure for Ethereum could not be independently verified from the provided research data [Note: not independently confirmed].