Looking at a particular wallet as an example, erc20.token_balances is quite different from the actual value and the v2 equivalent (balances_ethereum.erc20_latest)
https://etherscan.io/tokenholdings?a=0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7
-> Says amount = 212601793.521433
SELECT *
FROM erc20.token_balances_latest
WHERE wallet_address = '\xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7'
AND token_address = '\xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48'
-> Says amount_raw = 119193682814138
SELECT *
FROM balances_ethereum.erc20_latest
WHERE wallet_address = '0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7'
AND token_address = '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48'
-> Says amount_raw = 212620873558753