cache.c7gn.xlargevscache.c8gn.xlarge
cache.c8gn.xlarge is 10% cheaper than cache.c7gn.xlarge on demand in US East (N. Virginia), saving $36.35 a month.
| At a glance | cache.c7gn.xlarge | cache.c8gn.xlarge |
|---|---|---|
| On-demand | $0.509/hr | $0.4592/hr10% less |
| Lowest rate | $0.265/hr3-yr reserved, no upfront | $0.2388/hr10% less3-yr reserved, no upfront |
| Size | 4 vCPUs, 6.38 GiB | 4 vCPUs, 6.79 GiB |
| Architecture | arm64 | arm64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Redis, USD per hour.
| Option | cache.c7gn.xlarge | cache.c8gn.xlarge | cache.c8gn.xlarge vs cache.c7gn.xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.509 | $0.4592 | ▼ 10% |
| 1-yr reservedNo upfront | 32% off$0.346 | 32% off$0.3123 | ▼ 10% |
| 3-yr reservedNo upfront | 48% off$0.265 | 48% off$0.2388 | ▼ 10% |
Key differences
The biggest lead each one has.
Where cache.c7gn.xlarge leads
No clear lead on the measures we compare.
Where cache.c8gn.xlarge leads
On-demand price$0.4592 vs $0.509 per hour
10% cheaperSustained clock2.8 GHz vs 2.6 GHz
8% higherMemory (GiB)6.79 vs 6.38
6% higherSpecs
4 of 16 specs differ. Those are in bold.
| Compute1 of 7 differ | cache.c7gn.xlarge | cache.c8gn.xlarge |
|---|---|---|
| vCPUs | 4 | 4 |
| Physical cores | 4 | 4 |
| Threads per core | 1 | 1 |
| Architecture | arm64 | arm64 |
| CPU maker | AWS | AWS |
| Sustained clock | 2.6 GHz | 2.8 GHz |
| Burstable | No | No |
| Memory1 of 1 differ | cache.c7gn.xlarge | cache.c8gn.xlarge |
|---|---|---|
| Memory (GiB) | 6.38 | 6.79 |
| NetworkingAll 3 match | cache.c7gn.xlarge | cache.c8gn.xlarge |
|---|---|---|
| Network | Up to 40 Gigabit | Up to 40 Gigabit |
| Network baseline | 12.5 Gbps | 12.5 Gbps |
| Network peak | 40 Gbps | 40 Gbps |
| Instance details1 of 4 differ | cache.c7gn.xlarge | cache.c8gn.xlarge |
|---|---|---|
| Family | c7gn | c8gn |
| Category | Network optimized | Network optimized |
| Current generation | Yes | Yes |
| Normalization factor | 8 | 8 |
| Other1 of 1 differ | cache.c7gn.xlarge | cache.c8gn.xlarge |
|---|---|---|
| Hardware Basis | c7gn.xlarge | c8gn.xlarge |
On-demand prices by region
Cheapest for cache.c7gn.xlarge first. Redis, USD per hour.
| Region | cache.c7gn.xlarge | cache.c8gn.xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.509 | $0.4592 | ▼ 10% |
| US East (Ohio)us-east-2 | $0.509 | $0.4592 | ▼ 10% |
| US West (Oregon)us-west-2 | $0.509 | $0.4592 | ▼ 10% |
| EU (Ireland)eu-west-1 | $0.575 | $0.5188 | ▼ 10% |
Keep exploring
Each type’s own page, and how it compares with others.
AWS ElastiCache Redis prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.