Region: Region: US East
Name Memory Compute Units Storage Architecture I/O Performance Max IPs API Name Linux cost Windows cost
M3 Medium 3.75 GB 3 (1 core x 3 unit) 4 GB SSD 64-bit Moderate 12 m3.medium unavailable unavailable
M3 Large 7.5 GB 6.5 (2 core x 3.25 unit) 32 GB SSD 64-bit Moderate 30 m3.large unavailable unavailable
M3 Extra Large 15.0 GB 13 (4 core x 3.25 unit) 80 GB (2 * 40 GB SSD) 64-bit Moderate / 500 Mbps 60 m3.xlarge $0.450 per hour $0.702 per hour
M3 Double Extra Large 30.0 GB 26 (8 core x 3.25 unit) 160 GB (2 * 80 GB SSD) 64-bit High / 1000 Mbps 120 m3.2xlarge $0.900 per hour $1.404 per hour
M1 Small 1.7 GB 1 (1 core x 1 unit) 160 GB 32/64-bit Low 8 m1.small $0.060 per hour $0.091 per hour
M1 Medium 3.75 GB 2 (1 core x 2 unit) 410 GB 32/64-bit Moderate 12 m1.medium $0.120 per hour $0.182 per hour
M1 Large 7.5 GB 4 (2 core x 2 unit) 840 GB (2 * 420 GB) 64-bit Moderate / 500 Mbps 30 m1.large $0.240 per hour $0.364 per hour
M1 Extra Large 15.0 GB 8 (4 core x 2 unit) 1680 GB (4 * 420 GB) 64-bit High / 1000 Mbps 60 m1.xlarge $0.480 per hour $0.728 per hour
C3 Large 3.75 GB 7 (2 core x 3.5 unit) 32 GB (2 * 16 GB SSD) 64-bit Moderate 30 c3.large $0.150 per hour $0.233 per hour
C3 Extra Large 7.5 GB 14 (4 core x 3.5 unit) 80 GB (2 * 40 GB SSD) 64-bit Moderate / 500 Mbps 60 c3.xlarge $0.300 per hour $0.466 per hour
C3 Double Extra Large 15.0 GB 28 (8 core x 3.5 unit) 160 GB (2 * 80 GB SSD) 64-bit High / 1000 Mbps 60 c3.2xlarge $0.600 per hour $0.932 per hour
C3 Quadruple Extra Large 30.0 GB 55 (16 core x 3.4375 unit) 320 GB (2 * 160 GB SSD) 64-bit High / 1000 Mbps 240 c3.4xlarge $1.200 per hour $1.864 per hour
C3 Eight Extra Large 60.0 GB 108 (32 core x 3.375 unit) 640 GB (2 * 320 GB SSD) 64-bit 10 Gigabit 240 c3.8xlarge $2.400 per hour $3.728 per hour
High-CPU Medium 1.7 GB 5 (2 core x 2.5 unit) 350 GB 32/64-bit Moderate 12 c1.medium $0.145 per hour $0.225 per hour
High-CPU Extra Large 7.0 GB 20 (8 core x 2.5 unit) 1680 GB (4 * 420 GB) 64-bit High / 1000 Mbps 60 c1.xlarge $0.580 per hour $0.900 per hour
Cluster Compute Eight Extra Large 60.5 GB 88 (2 x Xeon E5-2670 ) 3360 GB (4 * 840 GB) 64-bit 10 Gigabit 240 cc2.8xlarge $2.400 per hour $2.970 per hour
G2 Double Extra Large 15.0 GB 26 (8 core x 3.25 unit) 60 GB SSD 64-bit High / 1000 Mbps 60 g2.2xlarge $0.650 per hour $0.767 per hour
Cluster GPU Quadruple Extra Large 22.5 GB 33.5 (2 x Xeon X5570 ) 1680 GB (2 * 840 GB) 64-bit 10 Gigabit 240 cg1.4xlarge $2.100 per hour $2.600 per hour
High-Memory Extra Large 17.1 GB 6.5 (2 core x 3.25 unit) 420 GB 64-bit Moderate 60 m2.xlarge $0.410 per hour $0.510 per hour
High-Memory Double Extra Large 34.2 GB 13 (4 core x 3.25 unit) 850 GB 64-bit Moderate / 500 Mbps 120 m2.2xlarge $0.820 per hour $1.020 per hour
High-Memory Quadruple Extra Large 68.4 GB 26 (8 core x 3.25 unit) 1680 GB (2 * 840 GB) 64-bit High / 1000 Mbps 240 m2.4xlarge $1.640 per hour $2.040 per hour
High Memory Cluster Eight Extra Large 244.0 GB 88 (2 x Xeon E5-2670 ) 240 GB (2 * 120 GB SSD) 64-bit 10 Gigabit 240 cr1.8xlarge $3.500 per hour $3.831 per hour
I2 Extra Large 30.5 GB 14 (4 core x 3.5 unit) 800 GB SSD 64-bit Moderate / 500 Mbps 60 i2.xlarge $0.853 per hour $0.973 per hour
I2 Double Extra Large 61.0 GB 27 (8 core x 3.375 unit) 1600 GB (2 * 800 GB SSD) 64-bit High / 1000 Mbps 60 i2.2xlarge $1.705 per hour $1.946 per hour
I2 Quadruple Extra Large 122.0 GB 53 (16 core x 3.3125 unit) 3200 GB (4 * 800 GB SSD) 64-bit High / 1000 Mbps 240 i2.4xlarge $3.410 per hour $3.891 per hour
I2 Eight Extra Large 244.0 GB 104 (32 core x 3.25 unit) 6400 GB (8 * 800 GB SSD) 64-bit 10 Gigabit 240 i2.8xlarge $6.820 per hour $7.782 per hour
High Storage Eight Extra Large 117.0 GB 35 (2 x Xeon E5-2650 ) 49152 GB (24 * 2048 GB) 64-bit 10 Gigabit 240 hs1.8xlarge $4.600 per hour $4.931 per hour
High I/O Quadruple Extra Large 60.5 GB 35 (2 x Xeon E5-2650 ) 2048 GB (2 * 1024 GB SSD) 64-bit 10 Gigabit 240 hi1.4xlarge $3.100 per hour $3.580 per hour
Micro 0.615 GB 2 (only for short bursts) 0 GB (EBS only) 32/64-bit Very Low 4 t1.micro $0.020 per hour $0.020 per hour

This site was created out of frustration while trying to compare EC2 instances using Amazon's instance type and pricing pages.

It was started by @powdahound, contributed to by many, is hosted on S3, and awaits your improvements on GitHub.