The numbers are for popular compilers. The actual sizes will vary according to the compiler and optimization used. Ethernet code sizes and RAM usage will vary depending upon the ethernet controller used, onboard or external.

Cortex-M3/M4 Processors
CMX-MicroNet v3.14b

Code Sizes (bytes)
UDP/IP (no TCP) + core	4,374
TCP/IP (no UDP) + core	7,092
UDP/TCP/IP + core	7,854
(Please note that UDP/IP and TCP/IP are usually mutually exclusive)
IP Fragmentation	1742
TCP Delayed ACKs	836
PPP	5726
Modem	484
HTTP server	3788
Virtual File System	504
Ethernet	2754
DHCP client	2004
BOOTP	670
FTP Server	3228
FTP Client	2872
TFTP Client	600
SMTP	3308
SNTP	1292
POP3	3296
TELNET server	1612
DNS	672
IGMP	756
Utility	754
SNMP v1 + v2 with default MIBs	3156
SNMP v1 + v2 trap	830

RAM Sizes (bytes)
UDP/SLIP	200
HTTP	189
Ethernet	88 - 9,580 depending upon processor
TCP Delayed ACKs	Number of resend buffers * (16 + transmit buffer size)

Without IP Fragmentation: add user selected buffer sizes + 84 bytes per socket

With IP Fragmentation: add user selected buffer sizes + 40 bytes + 104 bytes per socket + size of reassembly buffer(s)

CMX-MicroNet Ethernet UDP throughput is 57 - 80 MBits/second depending upon processor, tool chain, optimization level and crystal speed.