NTFS vs FAT Criteria
Operting System
NTFS5
NTFS
Windows 2000 Windows XP Windows 2003 Server
Windows NT Windows 2000 Windows XP Windows 2003 Server
FAT32 DOS v7 and higher Windows 98 Windows ME Windows 2000 Windows XP
FAT16
FAT12
DOS All versions of Microsoft Windows
DOS All versions of Microsoft Windows
2GB for all OS. 4GB for some OS
16MB
Limitations Max Volume Size
2TB
2TB
32GB for all OS. 2TB for some OS
Max Files on Volume
Nearly Unlimited
Nearly Unlimited
4194304
65536
Max File Size
Limit Only by Volume Size
Limit Only by Volume Size
4GB minus 2 Bytes
2GB (Limit Only by Volume Size)
16MB (Limit Only by Volume Size)
Max Clusters Number
Nearly Unlimited
Nearly Unlimited
4177918
65520
4080
Up to 255
Standard 8.3 Extended up to 255
Up to 254
System Character Set Second Copy of FAT
System Character Set Second Copy of FAT
First Sector
First Sector
Standard Set
Standard Set
Max File Name Length
Unicode File Names System Records Mirror
Boot Sector Location
File Attributes
Up to 255
Up to 255
File System Features Unicode System Unicode Character Character Character Set Set Set Second MFT MFT Mirror File Copy of Mirror File FAT First First and Sector First and Last Sectors Last and Sectors Copy in Sector #6 Standard Standard Standard and Custom and Set Custom
Alternate Streams Compression Encryption Object Permissions Disk Quotas Sparse Files Reparse Points Volume Mount Points
Yes
Yes
No
No
No
Yes Yes
Yes No
No No
No No
No No
Yes
Yes
No
No
No
Yes Yes Yes
No No No
No No No
No No No
No No No
Yes
No
No
No
No
Overall Performance Built-In Security Recoverability
Performance
Yes
Yes
No
No
No
Yes
Yes Low on small volumes High on Large
No High on small volumes Low on large
No Highest on small volumes Low on large Minimal on large volumes Average
No
Low on small volumes High on Large
Disk Space Economy
Max
Max
Average
Fault Tolerance
Max
Max
Minimal
High
Max Average
NTFS.com ©1998-2009
ntfs stand for new technology file system ...security and quota options are available in this file system...volume size can be of 16eb(exa byte)and file size depends on the size of volume...... fat32 stand for fat allocation table....do not have any option for security and quota....support upto 4tb(tera byte)volume size and file size can be 4 gb max... fat32 can be converted into ntfs without losing any data using command: convert [drive letter]:/fs:ntfs ntfs can not be converted into fat32 without losing data.