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Some 1705 produced FW190D-9 is not a small number. Rather the amount 830 airframes of FW190A-9 is, comparable to a few tens more of FW190A-4's built. FW190A-8 seems to be the most produced and used version according to that table
When looking at the figures of relative performance between Spitfire and Fw190A one can easily see that if the speed difference was within 5-15km/h then a worn out plane or wrongly trimmed plane, for example, would make you lose to the other in performance, be it the Spit or Focke-Wulf. Down to the pilot skill more or less when talking of so small speed margins seen here. IF a Spitfire flies 550km/h and Fw190A 545km/h at a certain altitude it does not make the Spitfire "superior" or "overwhelmingly good" over the FW..or vice versa. The planes could have different performance for various reasons.
Blindly quoting and touting stuff like a fanboi, as seen in this thread, is useless. IF planes are so evenly matched the rest really boils down to the pilot skill and the situation. Fw190 and Spitfire were remarkable planes, but had their weaknesses and required a skilled pilot for best results.