| AWS Instance Family | Instance Generation | CPU Architecture | Processor | Memory Type | Network Performance | Storage Type | Date Implemented | Country of Design | Country of Manufacture | Estimated Units Implemented |
| General Purpose (T2) | 2nd Generation | x86 | Intel Xeon E5-2676 v3 (Haswell) | DDR3 | Up to Moderate | EBS-Optimized | 2014 | United States (Intel) | United States (Intel) | ~100,000 |
| General Purpose (T3) | 3rd Generation | x86 | Intel Xeon Scalable (Skylake, Cascade Lake) | DDR4 | Up to 5 Gbps | EBS-Optimized | 2018 | United States (Intel) | United States (Intel) | ~200,000 |
| General Purpose (T3a) | 3rd Generation (variant) | x86 | AMD EPYC 7000 | DDR4 | Up to 5 Gbps | EBS-Optimized | 2019 | United States (AMD) | United States (AMD) | ~150,000 |
| General Purpose (T4g) | 4th Generation | ARM-based | AWS Graviton2 (ARM Neoverse N1) | DDR4 | Up to 5 Gbps | EBS-Optimized | 2020 | Israel (Annapurna Labs) | Taiwan (TSMC) | ~100,000 |
| Compute Optimized (C4) | 4th Generation | x86 | Intel Xeon E5-2666 v3 | DDR3 | 10 Gbps | EBS-Optimized | 2015 | United States (Intel) | United States (Intel) | ~80,000 |
| Compute Optimized (C5) | 5th Generation | x86 | Intel Xeon Platinum 8000 (Skylake, Cascade) | DDR4 | 25 Gbps | NVMe (local storage optional) | 2017 | United States (Intel) | United States (Intel) | ~200,000 |
| Compute Optimized (C5a) | 5th Generation (variant) | x86 | AMD EPYC 7000 | DDR4 | 20 Gbps | NVMe (local storage optional) | 2020 | United States (AMD) | United States (AMD) | ~150,000 |
| Compute Optimized (C6g) | 6th Generation | ARM-based | AWS Graviton2 (ARM Neoverse N1) | DDR4 | Up to 25 Gbps | NVMe (local storage optional) | 2020 | Israel (Annapurna Labs) | Taiwan (TSMC) | ~100,000 |
| Memory Optimized (R4) | 4th Generation | x86 | Intel Xeon E5-2686 v4 (Broadwell) | DDR4 | 10 Gbps | EBS-Optimized | 2016 | United States (Intel) | United States (Intel) | ~80,000 |
| Memory Optimized (R5) | 5th Generation | x86 | Intel Xeon Platinum 8000 | DDR4 | 25 Gbps | NVMe (local storage optional) | 2018 | United States (Intel) | United States (Intel) | ~150,000 |
| Memory Optimized (R5a) | 5th Generation (variant) | x86 | AMD EPYC 7000 | DDR4 | 20 Gbps | NVMe (local storage optional) | 2019 | United States (AMD) | United States (AMD) | ~120,000 |
| Memory Optimized (R6g) | 6th Generation | ARM-based | AWS Graviton2 (ARM Neoverse N1) | DDR4 | Up to 25 Gbps | NVMe (local storage optional) | 2020 | Israel (Annapurna Labs) | Taiwan (TSMC) | ~100,000 |
