m3.xlargevsm4.xlarge
m4.xlarge is 25% cheaper than m3.xlarge on demand in US East (N. Virginia), saving $48.18 a month.
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | m3.xlarge | m4.xlarge | m4.xlarge vs m3.xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.266 | $0.2 | ▼ 25% |
| SpotCan be interrupted | 82% off$0.0477 | 66% off$0.0681 | ▲ 43% |
| 1-yr reservedNo upfront | 29% off$0.19 | 38% off$0.1239 | ▼ 35% |
| 3-yr reservedNo upfront | — | 57% off$0.0864 | — |
| 1-yr savings planHourly commitment | 25% off$0.199 | 29% off$0.1425 | ▼ 28% |
| 3-yr savings planHourly commitment | 36% off$0.171 | 50% off$0.0994 | ▼ 42% |
Key differences
The biggest lead each one has.
Where m3.xlarge leads
Network peak10 Gbps vs 2.8 Gbps
3.6× higherClock speed2.5 GHz vs 2.4 GHz
4% higherWhere m4.xlarge leads
On-demand price$0.2 vs $0.266 per hour
25% cheaperEBS baseline bandwidth750 Mbps vs 500 Mbps
50% higherMemory (GiB)16 vs 15
7% higherSpecs
21 of 42 specs differ. Those are in bold.
| Compute4 of 11 differ | m3.xlarge | m4.xlarge |
|---|---|---|
| vCPUs | 4 | 4 |
| Physical cores | 2 | 2 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon E5-2670 v2 (Ivy Bridge/Sandy Bridge) | Intel Xeon E5-2676 v3 (Haswell) |
| CPU maker | Intel | Intel |
| Clock speed | 2.5 GHz | 2.4 GHz |
| Sustained clock | 2.5 GHz | 2.4 GHz |
| Processor features | Intel AVX; Intel Turbo | Intel AVX; Intel AVX2; Intel Turbo |
| Burstable | No | No |
| ECU | 13 | 13 |
| Memory1 of 1 differ | m3.xlarge | m4.xlarge |
|---|---|---|
| Memory (GiB) | 15 | 16 |
| Networking3 of 8 differ | m3.xlarge | m4.xlarge |
|---|---|---|
| Network | High | High |
| Network baseline | 1 Gbps | 0.75 Gbps |
| Network peak | 10 Gbps | 2.8 Gbps |
| Enhanced networking | No | No |
| EFA | No | No |
| IPv6 | No | Yes |
| Max network interfaces | 4 | 4 |
| IPv4 addresses per interface | 15 | 15 |
| Storage10 of 12 differ | m3.xlarge | m4.xlarge |
|---|---|---|
| Storage | 2 x 40 SSD | EBS only |
| Local disks | 2 × 40 GB SSD | – |
| EBS optimized | Yes | Yes |
| EBS over NVMe | No | No |
| EBS throughput | 500 Mbps | 750 Mbps |
| EBS baseline bandwidth | 500 Mbps | 750 Mbps |
| EBS max bandwidth | 500 Mbps | 750 Mbps |
| EBS baseline throughput | 62.5 MB/s | 93.75 MB/s |
| EBS max throughput | 62.5 MB/s | 93.75 MB/s |
| EBS baseline IOPS | 4,000 | 6,000 |
| EBS max IOPS | 4,000 | 6,000 |
| Max EBS volumes | 39 | 40 |
| Instance details3 of 10 differ | m3.xlarge | m4.xlarge |
|---|---|---|
| Family | m3 | m4 |
| Category | General purpose | General purpose |
| Current generation | No | Yes |
| Normalization factor | 8 | 8 |
| Bare metal | No | No |
| Hypervisor | Xen | Xen |
| Placement groups | Partition, Spread | Cluster, Partition, Spread |
| Hibernation | Yes | Yes |
| Nitro Enclaves | No | No |
| Boot modes | Legacy BIOS | Legacy BIOS |
On-demand prices by region
Cheapest for m3.xlarge first. Linux, USD per hour.
| Region | m3.xlarge | m4.xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.266 | $0.2 | ▼ 25% |
| US West (Oregon)us-west-2 | $0.266 | $0.2 | ▼ 25% |
| EU (Ireland)eu-west-1 | $0.293 | $0.222 | ▼ 24% |
| US West (N. California)us-west-1 | $0.308 | $0.234 | ▼ 24% |
| EU (Frankfurt)eu-central-1 | $0.315 | $0.24 | ▼ 24% |
| AWS GovCloud (US-West)us-gov-west-1 | $0.336 | $0.252 | ▼ 25% |
| Asia Pacific (Seoul)ap-northeast-2 | $0.366 | $0.246 | ▼ 33% |
| Asia Pacific (Sydney)ap-southeast-2 | $0.372 | $0.25 | ▼ 33% |
| South America (Sao Paulo)sa-east-1 | $0.381 | $0.318 | ▼ 17% |
| Asia Pacific (Tokyo)ap-northeast-1 | $0.385 | $0.258 | ▼ 33% |
| Asia Pacific (Singapore)ap-southeast-1 | $0.392 | $0.25 | ▼ 36% |
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.