AWS C1 instance types

C1 is a compute optimized Amazon EC2 family with 2 instance types, from 2 – 8 vCPUs and 1.7 GiB – 7 GiB of memory, running on Intel Xeon Family. Linux on demand starts at $0.13 per hour.

compute optimizedx86-64previous generation

sizes: 2
vCPUs: 2 – 8
memory: 1.7 GiB – 7 GiB
processor: Intel Xeon Family
on-demand from: $0.13

Compare sizes

C1 sizes and prices

Linux, hourly, US East (N. Virginia) (other regions on each size's page)

Size	vCPU	Memory	Local storage	On-demand	Monthly	Spot
c1.medium	2	1.7 GiB	350 GB SSD	$0.13	$94.90	$0.0522
c1.xlarge	8	7 GiB	1.7 TB SSD (4 disks)	$0.52	$380	$0.2086

C1 equivalents on other clouds

closest match to c1.medium (2 vCPU, 1.7 GiB)

AzureF2s v2Fsv2 family · 2 vCPU · 4 GiB$0.0846/hr · East USFsv2 family →

Google Cloude2-highcpu-2E2 family · 2 vCPU · 2 GiB$0.0495/hr · IowaE2 family →

AkamaiDedicated 4GBDedicated CPU family · 2 vCPU · 4 GiB$0.054/hr · Newark, NJDedicated CPU family →

Vultrvc2-2c-2gbRegular Cloud Compute family · 2 vCPU · 2 GiB$0.021/hr · New JerseyRegular Cloud Compute family →

Other compute optimized families on AWS

C4 5 C5 9 C5a 8 C5ad 8 C5d 9 C5n 7 C6a 11 C6g 9 C6gd 9 C6gn 9 C6i 10 C6id 10 C6in 10 C7a 12 C7g 9 C7gd 9 C7gn 9 C7i 11 C7i-flex 7 C8a 12 C8g 12 C8gb 12 C8gd 12 C8gn 12 C8i 13 C8i-flex 7 C8ib 13 C8id 13 C8in 13 C8ine 6

C1 FAQ

What sizes does the AWS C1 family have?

C1 has 2 instance types, from c1.medium (2 vCPU, 1.7 GiB) to c1.xlarge (8 vCPU, 7 GiB). They run on Intel Xeon Family.

What is the cheapest C1 instance type?

c1.medium at $0.13 per hour (Linux, on demand) in US East (N. Virginia), about $94.90 per month.

What is C1 best for?

C1 is a compute optimized family. More CPU per GiB (about 2 GiB per vCPU) for batch jobs, encoding, gaming and CPU-bound services.