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c1 EC2 instance family

Intel processor, x86_64, 2 to 8 vCPUs, 1.7 to 7 GiB

Open c1 in the finder →
c1 prices per hour on Linux/UNIX, each type in its cheapest region
Type vCPU Memory Typical spot On-demand Cheapest region Per vCPU-hour
c1.medium2 vCPU, 1.7 GiB 2 1.7 GiB $0.0174 $0.1480 us-west-1 of 8 $0.00869
c1.xlarge8 vCPU, 7 GiB 8 7 GiB $0.0943 $0.7180 sa-east-1 of 8 $0.0118

Per hour on Linux/UNIX, in each type's cheapest region. Typical spot: per pricing run of the last 7 days, the cheapest zone's spot price, averaged, as the finder shows it with that region selected. On-demand: the same region's price. Per vCPU-hour: the spot price, or without spot the on-demand price, per vCPU. Every region is under Prices by region.

The C1 instance family, generally available since May 2008, features Intel Xeon processors. These compute-optimized instances are designed for compute-intensive tasks requiring high CPU performance. C1 instances provide high network performance. Instance storage includes SSD, with varying sizes depending on the specific C1 instance type.

Written by Gemini from web sources and not checked: the specs and prices on this page come from AWS.

Instance Types
vCPUs
2 to 8
Memory
1.7 to 7 GiB
Architecture
x86_64
Processor vendor
Intel
Specs of each type
Type vCPU Memory Local storage Network EBS
c1.medium 2 1.7 GiB 350 GB HDD up to 1.2 (0.3 baseline) -
c1.xlarge 8 7 GiB 4 × 420 GB HDD up to 10 (1 baseline) 1

Network and EBS: peak bandwidth in Gbit/s, with the bandwidth the type sustains when it is lower. Local storage: the instance store, in decimal GB as AWS sizes it.

#1
4257
#3
3803 3801–3803
#30
3115 3105–3115
#32
2955 2875–2955
#37
m7i, r7i
2816 2763–2816
#39
2700
#40
2596 2549–2596
#48
2475 2469–2475
#54
2303 2269–2303
#70
2034 1995–2034
#73
1945 1896–1945
#90
m5d
1853
#91
m5dn, c4, r5dn, r5n, t2, t3
1777 1746–1777
#97
m5, m5n, i3en, r5, r5b, r5d
1703 1686–1703
#103
m4, c3, i3
1625 1582–1625
#106
1560 1525–1560
#116
1414 1388–1414
#121
1105 1094–1105

Not benchmarked yet 53

These families have no PassMark single-thread score yet, so they are not ranked.

8 regions with a price in the last 7 days. Select up to 4 to compare them in the price history charts under Prices by region.

Each type's regions on Linux/UNIX, cheapest first, with the same figures as the Prices table, and its price history: the daily mean of every zone and pricing run, over the last 15 UTC days. Each price column is tinted from its cheapest region (green) to its most expensive (red).

c1.medium2 vCPU, 1.7 GiB, 8 regions
c1.medium prices per hour on Linux/UNIX, by region, cheapest first
Region Typical spot On-demand Spot saving
us-west-1 N. California $0.0174 $0.1480 88%
ap-southeast-2 Sydney $0.0262 $0.1640 84%
sa-east-1 São Paulo $0.0271 $0.1790 85%
us-east-1 N. Virginia $0.0271 $0.1300 79%
us-west-2 Oregon $0.0288 $0.1300 78%
eu-west-1 Ireland $0.0322 $0.1480 78%
ap-northeast-1 Tokyo $0.0370 $0.1580 77%
ap-southeast-1 Singapore $0.0522 $0.1640 68%
Solid: spot, the daily mean of all zones (the typical spot above takes the cheapest zone). Dashed: on-demand. UTC days.
c1.xlarge8 vCPU, 7 GiB, 8 regions
c1.xlarge prices per hour on Linux/UNIX, by region, cheapest first
Region Typical spot On-demand Spot saving
sa-east-1 São Paulo $0.0943 $0.7180 87%
ap-northeast-1 Tokyo $0.1344 $0.6320 79%
us-west-2 Oregon $0.1622 $0.5200 69%
ap-southeast-2 Sydney $0.1625 $0.6550 75%
us-east-1 N. Virginia $0.1634 $0.5200 69%
us-west-1 N. California $0.1723 $0.5920 71%
ap-southeast-1 Singapore $0.2029 $0.6550 69%
eu-west-1 Ireland $0.2408 $0.5920 59%
Solid: spot, the daily mean of all zones (the typical spot above takes the cheapest zone). Dashed: on-demand. UTC days.