r8a.metal-48xlvsr8g.metal-48xl

r8g.metal-48xl is 26% cheaper than r8a.metal-48xl on demand in US East (N. Virginia), saving $2,939.20 a month. They use different processor architectures (x86_64 and arm64), so software built for one may need rebuilding to run on the other.

At a glancer8a.metal-48xlr8g.metal-48xl
On-demand$15.337/hr$11.311/hr26% less
Lowest rate$2.753/hrSpot, can be interrupted$1.131/hr59% lessSpot, can be interrupted
Size192 vCPUs, 1536 GiB192 vCPUs, 1536 GiB
ProcessorAMD EPYC 9R45 ProcessorAWS Graviton4 Processor
Architecturex86_64arm64

Prices in US East (N. Virginia)

“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.

Optionr8a.metal-48xlr8g.metal-48xlr8g.metal-48xl vs r8a.metal-48xl
On-demandPay by the hour$15.337$11.311▼ 26%
SpotCan be interrupted82% off$2.75390% off$1.131▼ 59%
1-yr reservedNo upfront—34% off$7.482—
3-yr reservedNo upfront—55% off$5.13—
1-yr savings planHourly commitment28% off$11.11228% off$8.195▼ 26%
3-yr savings planHourly commitment48% off$8.0048% off$5.90▼ 26%

Key differences

The biggest lead each one has.

Where r8a.metal-48xl leads
Clock speedUp to 4.5 GHz vs 2.7 GHz
67% higher
Max network interfaces24 vs 15
60% higher
EBS baseline bandwidth60,000 Mbps vs 40,000 Mbps
50% higher
Where r8g.metal-48xl leads
On-demand price$11.311 vs $15.337 per hour
26% cheaper

Specs

18 of 39 specs differ. Those are in bold.

Compute6 of 10 differr8a.metal-48xlr8g.metal-48xl
vCPUs192192
Physical cores192192
Threads per core11
Architecturex86_64arm64
ProcessorAMD EPYC 9R45 ProcessorAWS Graviton4 Processor
CPU makerAMDAWS
Clock speedUp to 4.5 GHz2.7 GHz
Sustained clock4.5 GHz2.7 GHz
Processor featuresAMD Turbo; AVX; AVX2; AVX512–
BurstableNoNo
MemoryAll 1 matchr8a.metal-48xlr8g.metal-48xl
Memory (GiB)1,5361,536
Networking5 of 8 differr8a.metal-48xlr8g.metal-48xl
Network75000 Megabit50 Gigabit
Network baseline75 Gbps50 Gbps
Network peak75 Gbps50 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFAYesYes
IPv6YesYes
Max network interfaces2415
IPv4 addresses per interface6450
Storage5 of 11 differr8a.metal-48xlr8g.metal-48xl
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput60000 Mbps40000 Mbps
EBS baseline bandwidth60,000 Mbps40,000 Mbps
EBS max bandwidth60,000 Mbps40,000 Mbps
EBS baseline throughput7,500 MB/s5,000 MB/s
EBS max throughput7,500 MB/s5,000 MB/s
EBS baseline IOPS240,000240,000
EBS max IOPS240,000240,000
Max EBS volumes7979
Instance details2 of 9 differr8a.metal-48xlr8g.metal-48xl
Familyr8ar8g
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor384384
Bare metalYesYes
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesNoNo
Boot modesLegacy BIOSUEFI

On-demand prices by region

Cheapest for r8a.metal-48xl first. Linux, USD per hour.

Regionr8a.metal-48xlr8g.metal-48xlDifference
US East (N. Virginia)Used in summaryus-east-1$15.337$11.311▼ 26%
US East (Ohio)us-east-2$15.337$11.311▼ 26%
US West (Oregon)us-west-2$15.337$11.311▼ 26%
Canada (Central)ca-central-1$16.797$12.388▼ 26%
EU (Ireland)eu-west-1$17.162$12.657▼ 26%
Europe (Spain)eu-south-2$17.162$12.651▼ 26%
Asia Pacific (Tokyo)ap-northeast-1$18.501$13.643▼ 26%
EU (Frankfurt)eu-central-1$18.501$13.643▼ 26%

Keep exploring

Each type’s own page, and how it compares with others.

r8a.metal-48xlMemory optimized, r8a family
r8a.metal-48xl prices and specsEvery size in the r8a family

Compare r8a.metal-48xl with

r8i.metal-48xlc8a.metal-48xlm8a.metal-48xlr7a.metal-48xl
r8g.metal-48xlMemory optimized, r8g family
r8g.metal-48xl prices and specsEvery size in the r8g family

Compare r8g.metal-48xl with

c8g.metal-48xlm8g.metal-48xlr8gd.metal-48xlr8i.metal-48xlr8gb.metal-48xlr8gn.metal-48xlr9g.metal-48xl

Pay the committed rate, with commitment protection

The best committed rate on these two is 48–55% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

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AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.