Small EC2 Instance
(updated 2013-07-21)
NameYearsUpfrontHourly
On Demand0000.000.060
Light 1yr1061.000.034
Light 3yr3096.000.027
Medium 1yr1139.000.021
Medium 3yr3215.000.017
Heavy 1yr1169.000.014
Heavy 3yr3257.000.012

Small RDS Instance, Multi AZ
(updated 2013-07-21)
NameYearsUpfrontHourly
On Demand0000.000.135
Light 1yr1104.000.082
Light 3yr3163.000.063
Medium 1yr1236.000.056
Medium 3yr3366.000.043
Heavy 1yr1287.000.043
Heavy 3yr3437.000.032