Rockwell X2 vs K56flex - In the race to achieve faster telephone line modem speeds from the then-standard 9.6 kbit/s, many companies developed proprietary formats such as V.32 Turbo (19.2 kbit/s) or TurboPEP (23.0 kbit/s) or V.FAST (28.8 kbit/s), hoping to gain an edge on the competition.
3D graphics APIs: DirectX vs. OpenGL vs. Glide API.