Julie Clover
According to display analyst Ross Young, the M4 MacBook Pro models feature quantum dot display technology. Apple used quantum dot film instead of KSF's red phosphor film, which produces brighter and more accurate color results.
Young says Apple chose KSF for previous MacBook Pro models because it doesn't use the toxic element cadmium (typical of quantum dots) and is more efficient (and therefore less expensive). Back in 2015, when Apple introduced support for the P3 wide color gamut on the iMac, Apple executives said quantum dot technology was considered for LED displays but was rejected due to cadmium requirements.
Big news about Apple displays: They've adopted quantum dots for the first time. The latest MacBook Pro (M4) uses a quantum dot (QD) film instead of the red phosphor KSF film. In the past, Apple chose the KSF solution due to its better efficiency and lack of cadmium (Cd), but… pic.twitter.com/5olq9lEHs9 — Ross Young (@DSCCRoss) November 14, 2024
There are now cadmium-free quantum dot options, which Young says have the same or better color gamut and better motion performance than the KSF film Apple previously used. The KSF phosphor coating that Apple added to previous MacBook Pro models enhanced color by enhancing reds, but the quantum dot film is considered superior because it often offers better color accuracy and a wider color gamut.
Quantum dot technology has been used for high-end displays for several years, with companies like Samsung and Sony making “QLED” displays and TVs.
Apple has not highlighted the specific color improvements in the M4 MacBook Pro. models, but the maximum SDR brightness has increased to 1000 nits, up from 600 nits in the previous model.
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