R6I 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.66th Generation6 = 6th GenerationAWS 6th generation hardware platform with updated CPU/system architecture.iIntel Xeon Scalablei = Intel Xeon ScalableIntel Xeon 8375C (Ice Lake) (x86_64). Powered by Intel Xeon Scalable x86_64 processors with Intel Advanced Vector Extensions (AVX-512 / AMX) acceleration.Alternatives to r6i
| Option | Price vs r6i | Why look at it |
|---|---|---|
| r6aCompare → | -10%-$0.0252/hr xlarge, Linux on-demand, us-east-1 | AMD (x86_64), same vCPU and RAM |
| r6gCompare → | -20%-$0.0504/hr xlarge, Linux on-demand, us-east-1 | Graviton (arm64), same vCPU and RAM |
| r5Compare → | same price xlarge, Linux on-demand, us-east-1 | Previous generation, same vCPU and RAM |
| r7iCompare → | +5%+$0.0126/hr xlarge, Linux on-demand, us-east-1 | 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 →Silicon Triangler6i vs r6a vs r6g
AWS R6 Generation: R6i vs R6a vs R6g
6th Gen Memory-Optimized Battleground (8:1 RAM-to-vCPU ratio)
Compare specifications →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 (9)
| Instance | vCPU | Memory | Architecture | From (Linux, $/hr) |
|---|---|---|---|---|
| r6i.large | 2 | 16 GB | x86_64 | $0.1260 |
| r6i.xlarge | 4 | 32 GB | x86_64 | $0.2520 |
| r6i.2xlarge | 8 | 64 GB | x86_64 | $0.5040 |
| r6i.4xlarge | 16 | 128 GB | x86_64 | $1.0080 |
| r6i.8xlarge | 32 | 256 GB | x86_64 | $2.0160 |
| r6i.12xlarge | 48 | 384 GB | x86_64 | $3.0240 |
| r6i.16xlarge | 64 | 512 GB | x86_64 | $4.0320 |
| r6i.24xlarge | 96 | 768 GB | x86_64 | $6.0480 |
| r6i.32xlarge | 128 | 1,024 GB | x86_64 | $8.0640 |