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 Processors
CMX-MicroNet v3.14k

Code Sizes (bytes)
UDP/IP (no TCP) + core	4,390
TCP/IP (no UDP) + core	7,290
UDP/TCP/IP + core	7,808
(Please note that UDP/IP and TCP/IP are usually mutually exclusive)
IP Fragmentation	1860
TCP Delayed ACKs	844
PPP	6110
Modem	482
HTTP server	3967
Virtual File System	790
Ethernet	4002
DHCP client	1994
BOOTP	602
FTP Server	4032
FTP Client	3510
TFTP Client	662
SMTP	3678
SNTP	1332
POP3	3401
TELNET server	1740
DNS	688
IGMP	1042
Utility	1120
SNMP v1 + v2 with default MIBs	2724
SNMP v1 + v2 trap	872

RAM Sizes (bytes)
UDP/SLIP	198
HTTP	152
Ethernet	Depends upon driver
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 - 75 MBits/second depending upon processor, tool chain, optimization level and crystal speed.