Rqrcode ruby qr generate how i can create same size and type png qr? why size is 120 on two qr but look like not 120 px?

Question

qrs

qrcode = RQRCode::QRCode.new("#{link}, #{buf}, #{sha}")
        png = qrcode.as_png(
            resize_gte_to: false,
            resize_exactl