The flagship smartphone display war heats up with iQOO 15's Samsung M14 panel versus OnePlus 15's BOE X3. While Samsung delivers superior brightness, BOE addresses reliability concerns that plagued earlier displays with notorious green line issues.

Samsung M14 dominates brightness metrics with staggering 2803 nits peak brightness -- 44% brighter than BOE X3's 1950 nits. This massive advantage ensures better outdoor visibility and HDR content reproduction, making the iQOO 15 display shine in direct sunlight.

Despite higher brightness capabilities, Samsung M14 consumes less power at standard 250 nits -- 0.4W versus BOE X3's 0.44W. This 10% efficiency advantage translates to slightly better battery life during everyday usage, though the difference remains marginal for most users.

BOE X3 addresses the elephant in the room -- previous generation green line issues that affected countless OnePlus and other devices. While Samsung M14 offers superior specifications, BOE's improved manufacturing process makes X3 more reliable for long-term usage without display defects.

iQOO 15's Samsung M14 panel wins on pure performance metrics with exceptional brightness and slightly better efficiency. However, OnePlus 15's BOE X3 offers peace of mind for users concerned about display longevity and reliability issues.

For outdoor enthusiasts, content creators, and users who prioritize maximum brightness, iQOO 15's Samsung panel delivers unmatched visual excellence. Conversely, buyers wary of potential green line issues may prefer OnePlus 15's more reliable BOE X3, even with lower peak brightness.

Both displays represent significant technological achievements, offering flagship-quality visuals with different strengths. Your choice depends on whether you prioritize maximum brightness performance or long-term reliability without display defects.