A320 superior
Ergonomics-?A320 wins
State of the art tech- A320 wins
Switching and system schematics-A320 simpler and more intuitive
Cockpit clutter and lighting-737 wins (no eye brows on 320)
Gear Handle-737 is well hung...and has an off position after raising the gear.A320 is simpler..and smaller..again more ergonomic with associated instrumentation and switching.
Cockpit seats,head rest and arm rest-A320(arguably) more luxurious
Deck room..roomier , wider and higher ceiling in A320..also quieter cockpit
Cockpit visibility..arguably slightly better forard vis on Mr.Bo but better peripheral on the bus
Rudder pedals..more ergonomic on the bus
Trim controls-more ergonomic and smaller on the bus
PFD and ND..more intelligent on the bus
ECAM-more intelligent and assists with checklist actions and schematicaly more inteligent than 73
FCU on the bus...more inteligent but requires more adaptaion than MCP on 73
Autothrust on bus Auto throttles on Boeing
MCDU on the bus..more advanced than FMS on the 73
AFCS and FBW control laws more inteligent and automated than 73
QRH and FCOM on the bus more literal than Boeing handbooks
Boeing pilots feel more in the loop with the plane.Bus pilots watch it fly and manage its behaviour more remotely.