The screen of that seems to be about 203mm×270mm (13.3 inch diagonal, 1650×2200 pixels). Smaller and with a different aspect ratio (3:4 instead of 1:√2).
Interestingly, several major reviews on page 1 of Google call it "A4-sized", but only one review actually called it "near A4-sized". Standard of writing these days is horrendous for such a key spec.
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Onyx Boox Tab X?
The screen of that seems to be about 203mm×270mm (13.3 inch diagonal, 1650×2200 pixels). Smaller and with a different aspect ratio (3:4 instead of 1:√2).
Interestingly, several major reviews on page 1 of Google call it "A4-sized", but only one review actually called it "near A4-sized". Standard of writing these days is horrendous for such a key spec.
Fujitsu seem to use the same non-A4 display for some of their e-paper devices, and they call it A4 in the product name: https://fujitsuquaderno.com/products/fujitsu-quaderno-a4-2nd...