Yes, but heavy tanks were kind of built to do same thing, as KVs, Tiger and IS series of heavy tanks prioritised the strength of their HE ammo over armor peircing, and were supposed to break heavy opposition. They were not tank destroyers, nor were they supposed to exel at that. Tiger 2 is probably the only exeption in WW2 timeframe.In many ways, very little. In terms of design, however, infantry tanks were supposed to move slowly alongside infantry, drawing fire and destroying fortifications such as pillboxes and bunkers. They were designed with the WW1-era mentality of slow-moving forces moving over trench-riddled battlefields. In game terms these would be heavy tanks.
Conversely, the cruiser tanks were lighter, faster, better armed but poorly armored; they were designed to flank and destroy enemy tanks. In game terms these would be light and medium tanks.
Heavy tanks were fewer in number and slower but had better armor and bigger guns; they were designed to destroy great numbers of enemy tanks whilst taking very little damage in return.
If I`m reading the specs of Matilda, 2 pounder had 93 armor piercing shots.The Matildas were heavily armored and very slow - but could only shoot HE-ammo, making them rather useless against other tanks. A heavy tank is very good against lighter tanks, the infantry tank isn't.
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