r7a.xlargevsr7g.xlarge
r7g.xlarge is 30% cheaper than r7a.xlarge on demand in US East (N. Virginia), saving $65.77 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 glance | r7a.xlarge | r7g.xlarge |
|---|---|---|
| On-demand | $0.3043/hr | $0.2142/hr30% less |
| Lowest rate | $0.0837/hr4% lessSpot, can be interrupted | $0.0873/hrSpot, can be interrupted |
| Size | 4 vCPUs, 32 GiB | 4 vCPUs, 32 GiB |
| Processor | AMD EPYC 9R14 Processor | AWS Graviton3 Processor |
| Architecture | x86_64 | arm64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | r7a.xlarge | r7g.xlarge | r7g.xlarge vs r7a.xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.3043 | $0.2142 | ▼ 30% |
| SpotCan be interrupted | 72% off$0.0837 | 59% off$0.0873 | ▲ 4% |
| 1-yr reservedNo upfront | 34% off$0.2013 | 34% off$0.1417 | ▼ 30% |
| 3-yr reservedNo upfront | 55% off$0.138 | 55% off$0.0972 | ▼ 30% |
| 1-yr savings planHourly commitment | 28% off$0.2205 | 28% off$0.1552 | ▼ 30% |
| 3-yr savings planHourly commitment | 48% off$0.1587 | 48% off$0.1117 | ▼ 30% |
Key differences
The biggest lead each one has.
Where r7a.xlarge leads
Clock speedUp to 3.7 GHz vs 2.5 GHz
48% higherMax EBS volumes32 vs 27
19% higherWhere r7g.xlarge leads
On-demand price$0.2142 vs $0.3043 per hour
30% cheaperNetwork baseline1.876 Gbps vs 1.562 Gbps
20% higherSpecs
10 of 40 specs differ. Those are in bold.
| Compute6 of 10 differ | r7a.xlarge | r7g.xlarge |
|---|---|---|
| vCPUs | 4 | 4 |
| Physical cores | 4 | 4 |
| Threads per core | 1 | 1 |
| Architecture | x86_64 | arm64 |
| Processor | AMD EPYC 9R14 Processor | AWS Graviton3 Processor |
| CPU maker | AMD | AWS |
| Clock speed | Up to 3.7 GHz | 2.5 GHz |
| Sustained clock | 3.7 GHz | 2.6 GHz |
| Processor features | AMD Turbo; AVX; AVX2; AVX512 | – |
| Burstable | No | No |
| MemoryAll 1 match | r7a.xlarge | r7g.xlarge |
|---|---|---|
| Memory (GiB) | 32 | 32 |
| Networking1 of 8 differ | r7a.xlarge | r7g.xlarge |
|---|---|---|
| Network | Up to 12500 Megabit | Up to 12500 Megabit |
| Network baseline | 1.562 Gbps | 1.876 Gbps |
| Network peak | 12.5 Gbps | 12.5 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 4 | 4 |
| IPv4 addresses per interface | 15 | 15 |
| Storage1 of 11 differ | r7a.xlarge | r7g.xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | Up to 10000 Mbps | Up to 10000 Mbps |
| EBS baseline bandwidth | 1,250 Mbps | 1,250 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 156.25 MB/s | 156.25 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 6,000 | 6,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Max EBS volumes | 32 | 27 |
| Instance details2 of 10 differ | r7a.xlarge | r7g.xlarge |
|---|---|---|
| Family | r7a | r7g |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 8 | 8 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | Yes | Yes |
| Nitro Enclaves | Yes | Yes |
| Boot modes | Legacy BIOS, UEFI | UEFI |
On-demand prices by region
Cheapest for r7a.xlarge first. Linux, USD per hour.
| Region | r7a.xlarge | r7g.xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.3043 | $0.2142 | ▼ 30% |
| US East (Ohio)us-east-2 | $0.3043 | $0.2142 | ▼ 30% |
| US West (Oregon)us-west-2 | $0.3043 | $0.2142 | ▼ 30% |
| Asia Pacific (Hyderabad)ap-south-2 | $0.314 | $0.1502 | ▼ 52% |
| EU (Stockholm)eu-north-1 | $0.3236 | $0.2278 | ▼ 30% |
| EU (Ireland)eu-west-1 | $0.3405 | $0.2397 | ▼ 30% |
| Europe (Spain)eu-south-2 | $0.3405 | $0.2396 | ▼ 30% |
| Asia Pacific (Tokyo)ap-northeast-1 | $0.3671 | $0.2584 | ▼ 30% |
| EU (Frankfurt)eu-central-1 | $0.3671 | $0.2584 | ▼ 30% |
Keep exploring
Each type’s own page, and how it compares with others.
AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.