CompactFlash Comparision Chart

Property \ Grade Economy Grade Regular Grade Professional Grade Superior Grade
Voltage Support Single (either 5V or 3.3V) 3.3V/5V Mostly Single; Some of them Dual 3.3V/5V Dual 3.3V/5V Dual
Power Consumption 50-80mA 40-60mA 30-40mA 30mA
Compatibility Poor Good Excellent Excellent
Auto Sleep Mode No No Yes Yes
Sustained Write
Performance
600KB/s
4X Speed
1.2MB/s
8X Speed
1.8MB/s
12X Speed
2.7MB/s and above
18X Speed and above
Sustained Read
Performance
600KB/s
4X Speed
1.8MB/s
12X Speed
3.6MB/s
24X Speed
5.6MB/s
36X Speed and above
Data Transfer(To/from host) up to 4MB/s up to 8MB/s up to 16MB/s up to 20MB/s
Data Transfer(To/from flash) up to 4MB/s up to 7.5MB/s up to 10.5MB/s up to 12.5MB/s
Idle to Read/Write less than 20ms less than 5ms less than 0.01ms less than 0.001ms
Reliability Power-on
MTBF
9,000 hours
(1.0 years)
100,000 hours
(11.5 years)
250,000 hours
(28.5 years)
500,000 hours
(57 years)
Ruggedness-Shock
Ruggedness-Vibration
1G
0.4G
50G
1G
100G
15G
1000G
15G
Error Rate 6/10000 1/1000000000 1/100000000000 1/1000000000000000
Warranty 15 days 30 days 1 year if with Safeguard 3 year if with Safeguard