Do you run your mac at native res? The default is 900p with pixel doubling (and some fonts at native res). Basically anything other than doubled or native has a

Do you run your mac at native res? The default is 900p with pixel doubling (and some fonts at native res). Basically anything other than doubled or native has a performance and battery life penalty relative to those two modes. This has less space than 4k at 200% (normal for 15") or 1080p at 100%.