Armata has not yet appeared in Ukraine, apparently, in the opinion of the General Staff, this is not advisable.
Translation from Russian: it's vaporware. Instead of Armata, generals have new
dachas. You can't really send a
dacha to Ukraine.
Javelins, by the way, say hyped shit, moreover, according to the reviews of Ukrainian soldiers. In Mariupol, the Javelins did not seem to be able to burn a single Russian tank. There are a lot of conditions for successful operation, which are difficult to put together in a real battle.
Javelins need distance. In urban battles NLAW works better. Still needs at least 20 meters. Good thing is that Ukrainians have a wide range of anti-tank weapons.
Funny how bring up Mariupol again, a city that for two months Russians were not able to take with a 10-fold advantage in numbers.