Dash has working privacy, Monero does not.
Dash is decentralized, Monero is not.
Dash can scale on-chain, Monero requires off chain scaling.
Dash has instant confirmations, Monero does not.
Dash is self funded, Monero requires donations.
Dash is developed by professionals, Monero is developed by amateurs.
Dash has a decentralized system of governance, Monero has fluffypony.
Dash has developed many innovations, Monero hasn't even developed a decent wallet.
Dash sponsored Ben Swann, Monero sponsored Mariah Carey.
Dash has many integrations and channel partners, Monero insults and threatens everyone who doesn't adopt them.
Dash has mature community, Monero has a toxic community
Dash is the future, Monero is shit
Dash uses "masternodes" a.k.a pieces of metal that sit around doing nothing and get rewarded for it, Monero actually uses ring signatures to obscure your identity.
Dash cannot scale on chain as much as Ethereum, and neither can Monero.
Dash uses pomtsadnagrfi (my new name for masternodes) to do instant transactions, Monero does not because that's not a good idea.
Dash asks for donations, and so does Monero.
Dash is developed by a loosely-knit network of dickheads, Monero is developed by a group of professionals.
Dash has a tyranny from the developers, Monero doesn't, and shut your ass about fluffypony.
Dash has 0 innovations, Monero has a fully grown wallet, a web wallet, ~100 pools, ring signatures, and a web miner.
Who the fuck is Ben Swann and Mariah Carey?
Dash has zero integrations except web wallets, Monero is humble and waits for people to adopt it.
Dash has a community of dogs, Monero has a community of professionals.
Dash is the past, Monero is the future.
Also,
Dash has ASICS, Monero doesn't.
Dash has Bitcoin codebase and vulnerabilities, Monero doesn't.
Dash has Bitcoin protocol and vulnerabilities, Monero doesn't.
Dash has an asshole called "Lontonbit", Monero doesn't.