R5 Memory Optimized
High memory-to-vCPU ratio for memory-intensive applications.
Name:
rMemory Optimizedr = Memory OptimizedHigh memory-to-vCPU ratio designed for memory-intensive applications such as databases, distributed caches, and in-memory analytics.55th Generation5 = 5th GenerationAWS 5th generation hardware platform with updated CPU/system architecture.Alternatives to r5
| Option | Price vs r5 | Why look at it |
|---|---|---|
| r4Compare → | +6%+$0.014/hr xlarge, Linux on-demand, us-east-1 | Previous generation, 30.5 GiB RAM instead of 32, same vCPU |
| r6iCompare → | same price xlarge, Linux on-demand, us-east-1 | Newer generation, same vCPU and RAM |
| r7iCompare → | +5%+$0.0126/hr xlarge, Linux on-demand, us-east-1 | Newer generation, same vCPU and RAM |
| r7gCompare → | -15%-$0.0378/hr xlarge, Linux on-demand, us-east-1 | Graviton (arm64), newer generation, same vCPU and RAM |
Common use cases
- In-memory databases
- Real-time big data analytics
- High-performance caching
Head-to-Head Architecture Comparisons
View all comparisons →Generational Evolutionr4 vs r5 vs r6i vs r7i vs r7g
AWS Memory Optimized Evolution: R4 vs R5 vs R6i vs R7i vs R7g
Memory tier advancement: DDR3 to DDR5, EBS throughput, and per-GB pricing
Compare specifications →Generational Evolutionr5 vs r6i vs r7i
AWS Pure Intel Memory Upgrade: R5 vs R6i vs R7i
Intel Xeon memory tier evolution across three enterprise generations
Compare specifications →Instance types (8)
| Instance | vCPU | Memory | Architecture | From (Linux, $/hr) |
|---|---|---|---|---|
| r5.large | 2 | 16 GB | x86_64 | $0.1260 |
| r5.xlarge | 4 | 32 GB | x86_64 | $0.2520 |
| r5.2xlarge | 8 | 64 GB | x86_64 | $0.5040 |
| r5.4xlarge | 16 | 128 GB | x86_64 | $1.0080 |
| r5.8xlarge | 32 | 256 GB | x86_64 | $2.0160 |
| r5.12xlarge | 48 | 384 GB | x86_64 | $3.0240 |
| r5.16xlarge | 64 | 512 GB | x86_64 | $4.0320 |
| r5.24xlarge | 96 | 768 GB | x86_64 | $6.0480 |