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c8gb.12xlarge pricing and specs in US West (Oregon)

48 vCPU · 96 GiB · 100 Gigabit · AWS Graviton4 Processor Graviton

$2.8440/hour on-demand · $2,076/month (Linux, Shared)

c8gb.12xlarge is a compute-optimized EC2 instance with 48 vCPU and 96 GiB, generation 8 of the c family on AWS Graviton (Arm). On-demand it costs $2.8440 an hour, about $2,076 a month if it runs all month. A one-year commitment with nothing up front works out at $1.7917 an hour and pays for itself above roughly 459 hours a month; below that, on-demand is cheaper. The three-year options go down to $1.0327 an hour, 64% below on-demand. The newer c8g.12xlarge offers the same size for $1.9142 an hour, 33% less. Across regions the cheapest place to run c8gb.12xlarge is US East (N. Virginia) (us-east-1) at $2.8440 an hour, 0% below US West (Oregon).

Pricing by OS (hourly, USD, Shared)

OptionLinuxWindowsRHELSUSEUbuntu Pro
On-Demand$2.8440—$3.3624$2.9690$2.9280
Spot$1.0138————
1y Compute SP NU$2.0605—$2.5789$2.1204$2.1277
3y Compute SP NU$1.1893—$1.7077$1.2433$1.2440
1y EC2 SP NU$1.7917—$2.3101$1.8516$1.8589
3y EC2 SP NU$1.0327—$1.5511$1.0866$1.0874

Spot by AZ (7-day p50, Linux): us-west-2d $0.8511 · us-west-2b $1.0130 · us-west-2a $1.0167 · us-west-2c $1.0147

Newer generations of the same size

Same family letter and size in a newer generation, ranked by price. “vCPU per $” uses vCPU as the performance proxy — newer chips usually add more, so it is a floor.

Already Graviton
Type$/hPrice ΔvCPU per $ ΔSaves / mo
c8g.12xlarge Graviton$1.9142-33%+49%$679
c9g.12xlarge Graviton$2.0866-27%+36%$553
c8i-flex.12xlarge arch change$2.1365-25%+33%$516
c8i.12xlarge arch change$2.2490-21%+26%$434
c8gd.12xlarge Graviton$2.3515-17%+21%$360
c9gd.12xlarge Graviton$2.5632-10%+11%$205
c8a.12xlarge arch change$2.5865-9%+10%$188
c8id.12xlarge arch change$2.6611-6%+7%$134

Cheapest regions for c8gb.12xlarge

RegionOn-Demand $/hvs us-west-2Saves / mo
US East (N. Virginia) us-east-1$2.84400.0%$0
US East (Ohio) us-east-2$2.84400.0%$0
US West (Oregon) us-west-2$2.8440current—
EU (Stockholm) eu-north-1$3.0547+7%$-154
EU (Ireland) eu-west-1$3.2126+13%$-269
EU (Frankfurt) eu-central-1$3.2390+14%$-288

Caveat: instance price is only part of the bill. Cross-region and internet data transfer, latency to your users, data-residency rules and service availability can outweigh a few percent on compute.

Price history (us-west-2)

Daily snapshots since the catalog started tracking this type; a row is added whenever a headline price changes.

DateOD LinuxOD Windows1y RI3y RISpot p50
2026-11-06$2.8440———$1.0138
2026-11-05$2.8440———$1.0101
2026-11-04$2.8440———$1.0094
2026-11-03$2.8440———$1.0107
2026-11-02$2.8440———$1.0119
2026-11-01$2.8440———$1.0096
2026-10-31$2.8440———$1.0008
2026-10-30$2.8440———$0.9898
2026-10-29$2.8440———$0.9831
2026-10-28$2.8440———$0.9767
2026-10-27$2.8440———$0.9728
2026-10-26$2.8440———$0.9688
2026-10-25$2.8440———$0.9576
2026-10-24$2.8440———$0.9480
2026-10-22$2.8440———$0.9478
2026-10-21$2.8440———$0.9591
2026-10-20$2.8440———$0.9676
2026-10-19$2.8440———$0.9818
2026-10-18$2.8440———$0.9828
2026-10-17$2.8440———$0.9889
2026-10-16$2.8440———$0.9912
2026-10-15$2.8440———$0.9858
2026-10-14$2.8440———$0.9746
2026-10-13$2.8440———$0.9720
2026-10-12$2.8440———$0.9646
2026-10-11$2.8440———$0.9553
2026-10-10$2.8440———$0.9409
2026-10-09$2.8440———$0.9395
2026-10-08$2.8440———$0.9369
2026-10-07$2.8440———$0.9352

All attributes

vCPU
48
Cores / threads per core
48 / 1
Memory
96 GiB
Memory per vCPU
2.00 GiB
Processor
AWS Graviton4 Processor
Architecture
arm64
Sustained clock
2.8 GHz
Hypervisor
nitro
Generation
Current
Burstable
No
Bare metal
No
Free tier eligible
No
Network performance
100 Gigabit
Network baseline / burst
100.0 / 100.0 Gbps
Max ENIs × IPv4 per ENI
12 × 30
IPv6 / ENA / EFA
IPv6 / ENA / —
EBS optimized
Yes
EBS bandwidth (baseline / max)
75000 / 75000 Mbps
EBS IOPS (baseline / max)
360,000 / 360000
EBS NVMe
required
Instance storage
EBS only
GPU
—
Placement groups
cluster, partition, spread
Hibernation / Nitro Enclaves
Yes / Yes
Dedicated hosts
Supported
Boot modes
uefi
Spot supported
Yes

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Public AWS list prices (USD), refreshed nightly (catalog 2026-11-06). RI and Savings Plan rates are effective hourly (upfront amortised over the term) and are charged for every hour of the term. Excludes taxes, data transfer and storage. How these numbers are sourced and checked. Not affiliated with Amazon Web Services.

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