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Un \u00e9cran AMOLED d\u2019excellence<\/h2>\n

L\u2019un des atouts majeurs du Galaxy Book3 Ultra (et de la gamme en g\u00e9n\u00e9ral) c\u2019est bien entendu l\u2019\u00e9cran AMOLED, un cas unique sur le march\u00e9. La dalle 16 pouces (non tactile) adopte une d\u00e9finition de 2880 x 1800 pixels ainsi qu\u2019un taux de rafra\u00eechissement dynamique entre 60 Hz et 120 Hz.<\/strong> Si la chose n\u2019est pas r\u00e9ellement indispensable pour de la bureautique, le confort apport\u00e9 par ces fonctionnalit\u00e9s est un vrai plus.<\/p>\n

\"Book3<\/p>\n

Bien \u00e9videmment, nous avons analys\u00e9 la dalle \u00e0 l\u2019aide de notre sonde<\/strong> et les r\u00e9sultats sont tr\u00e8s convaincants. AMOLED oblige, nous avons un contraste infini, ce qui signifie une vision parfaite des nuances de gris, id\u00e9al pour le jeu ou le visionnage de vid\u00e9os. La temp\u00e9rature des couleurs est aussi extr\u00eamement bien g\u00e9r\u00e9e, allant de 6500K (la norme vid\u00e9o) \u00e0 7000K. La dalle ne tire donc ni vers le rouge, ni vers le bleu.<\/p>\n

\"Galaxy<\/p>\n

Samsung propose plusieurs profils de couleurs, un automatique qui s\u2019adapte aux usages, plus quatre autres. Certains se permettent d\u2019exag\u00e9rer les couleurs, comme l\u2019AMOLED ou le P3 qui rendent les verts, les rouges et les jaunes fluos (delta E moyen respectivement \u00e0 2,5 et 3, ce qui est bien). Le profil Adobe sRGB, pour sa part, affiche des coloris tr\u00e8s fid\u00e8les \u00e0 ceux d\u2019origine (Delta E moyen \u00e0 1,2), ce qui est parfait pour traiter des photos.<\/strong><\/p>\n

\"Book3<\/p>\n

Le talon d\u2019Achille de la dalle r\u00e9side dans sa luminosit\u00e9, qui ne d\u00e9passe pas les 450 cd\/m\u00b2.<\/strong> C\u2019est un peu juste pour l\u2019utiliser dehors, mais saluons tout de m\u00eame un gros travail sur les reflets qui vient compenser ce d\u00e9faut. On pourrait aussi regretter des profils d\u2019\u00e9crans trop peu marqu\u00e9es -on aurait appr\u00e9ci\u00e9 que l\u2019un d\u2019eux fasse r\u00e9ellement \u00ab vibrer \u00bb les couleurs afin de donner une image plus impactante – mais c\u2019est vraiment pour chipoter. Samsung sait y faire avec les \u00e9crans et le prouve encore une fois aujourd\u2019hui. Le Galaxy Book3 Ultra a tout simplement l\u2019une des meilleures dalles du march\u00e9,<\/strong> si ce n\u2019est la meilleure. De l\u2019excellent travail et un r\u00e9el atout pour le produit.<\/p>\n

\"Galaxy<\/p>\n

En ce qui concerne l\u2019audio, la copie rendue est aussi satisfaisante compte tenu du format.<\/strong> Les deux haut-parleurs, situ\u00e9s \u00e0 l\u2019avant du PC, d\u00e9gagent le son par les c\u00f4t\u00e9s et ne sont pas \u00e9touff\u00e9s lorsque le terminal est pos\u00e9 sur une surface absorbante, comme une nappe. Le PC d\u00e9livre un son puissant et bien \u00e9quilibr\u00e9. On regrette peut-\u00eatre une distorsion tr\u00e8s pr\u00e9sente \u00e0 haut volume (au-dessus des 85%), mais rien de bien catastrophique.<\/p>\n