Orca offers the most polished DEX UX on Solana. Whirlpools (concentrated liquidity) is the reference LP tool for Solana professionals; the swap UX is beginner-friendly. Smaller volume than Raydium but better tooling for serious LPs.
What Orca is
Orca is a Solana-native DEX with two liquidity models: standard AMM pools and Whirlpools (concentrated liquidity, similar to Uniswap V3). The UI is arguably the cleanest of any Solana DEX.
Whirlpools: pro LP tooling
Whirlpools' concentrated liquidity design lets LPs pick price ranges — earning much higher fee rates per dollar deployed in-range. Deep tooling for range selection, position management, and fee harvesting makes Whirlpools the reference Solana LP product.
Volume vs Raydium
Raydium wins on raw memecoin volume (Pump.fun graduations flow to Raydium). Orca captures more of the sophisticated LP flow — different user segments with different priorities.
Verdict
Orca is Solana's cleanest DEX + best LP tooling. Serious LPs choose Orca over Raydium for concentrated position management; casual users appreciate the clean UX.