Did some testing just now.
S wind = Wind from South (DIR: 0 ingame)
N wind = Wind from North (DIR: 180 ingame)
W wind = Wind from West (DIR: 090 ingame)
E wind = Wind from East (DIR: 270 ingame)
500m altitude flown
20 kt wind
Clean aircraft
30% fuel
Alt hold engaged
All speeds in KPH
Speeds at 10 units AoA, indicated both by AoA meter in cockpit and F2 view:
cockpit speed / F2 speed
N wind flying N: 350 / 357
N wind flying S: 225 / 217
N wind flying W: 295 / 291
N wind flying E: 295 / 291
S wind flying N: 225 / 216
S wind flying S: 350 / 357
S wind flying W: 290 / 285
S wind flying E: 290 / 285
W wind flying N: 295 / 291
W wind flying S: 295 / 289
W wind flying W:350 / 357
W wind flying E: 225 / 220
E wind flying N: 296 / 293
E wind flying S: 290 / 287
E wind flying W: 227 / 220
E wind flying E: 352 / 357
Conclusion:
Regardless of wind direction, a significantly higher IAS is required for the same AoA when flying in headwind compared to tailwind.
More thrust is also required when flying in headwind compared to tailwind (because of the increased IAS i assume).
I hope this helps :)