sorry, there are over 9000 differences so i cant list them all
Novell owns the IPX/SPX protocol.
SPX
TCP IP handles data transfer by default, and IPX SPX takes over if TCP IP is unavailable
IPX/SPX (Internetwork Packet Exchange/Sequenced Packet Exchange) is not supported on internet.
Ipx/spx
Novell developed the IPX/SPX protocols
IPX/SPX
Novell developed the IPX/SPX protocols.
ipx spx addresses are usually assigned by the server and in most cases work in conjunction with TCP/IP. This is an outdated protocol and don't need it unless your connecting to some very old Netware servers
IPX/SPX : Routable // TCP/IP : Routable // NetBEUI : Not Routable
NetBEUI is the only listed protocol that is not routable; the rest are.
NetWare includes support for TCP/IP NetWare's previous protocol was IPX/SPX