c4a-highmem-8vsc4d-highmem-8
c4a-highmem-8 is 2% cheaper than c4d-highmem-8 on demand in Iowa, saving $7.52 a month. They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.
| At a glance | c4a-highmem-8 | c4d-highmem-8 |
|---|---|---|
| On-demand | $0.4715/hr2% less | $0.4818/hr |
| Lowest rate | $0.2122/hr2% less3-yr committed use, no upfront | $0.2168/hr3-yr committed use, no upfront |
| Size | 8 vCPUs, 64 GiB | 8 vCPUs, 63 GiB |
| Processor | Google Axion | AMD EPYC Turin |
| Architecture | arm64 | x86_64 |
Prices in Iowa
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | c4a-highmem-8 | c4d-highmem-8 | c4d-highmem-8 vs c4a-highmem-8 |
|---|---|---|---|
| On-demandPay by the hour | $0.4715 | $0.4818 | ▲ 2% |
| SpotCan be interrupted | 51% off$0.2325 | 56% off$0.2135 | ▼ 8% |
| 1-yr committed useNo upfront | 34% off$0.3108 | 37% off$0.3036 | ▼ 2% |
| 3-yr committed useNo upfront | 55% off$0.2122 | 55% off$0.2168 | ▲ 2% |
Key differences
The biggest lead each one has.
Where c4a-highmem-8 leads
On-demand price$0.4715 vs $0.4818 per hour
2% cheaperMax persistent disks32 vs 16
2× higherMemory (GiB)64 vs 63
2% higherWhere c4d-highmem-8 leads
No clear lead on the measures we compare.
Specs
7 of 11 specs differ. Those are in bold.
| Compute2 of 3 differ | c4a-highmem-8 | c4d-highmem-8 |
|---|---|---|
| vCPUs | 8 | 8 |
| Architecture | arm64 | x86_64 |
| Processor | Google Axion | AMD EPYC Turin |
| Memory1 of 1 differ | c4a-highmem-8 | c4d-highmem-8 |
|---|---|---|
| Memory (GiB) | 64 | 63 |
| Networking1 of 1 differ | c4a-highmem-8 | c4d-highmem-8 |
|---|---|---|
| Network | Up to 23 Gbps | Up to 20 Gbps |
| Storage1 of 2 differ | c4a-highmem-8 | c4d-highmem-8 |
|---|---|---|
| Storage | Network disks only | Network disks only |
| Max persistent disks | 32 | 16 |
| Instance details1 of 2 differ | c4a-highmem-8 | c4d-highmem-8 |
|---|---|---|
| Family | c4a | c4d |
| Category | General purpose | General purpose |
| Other1 of 2 differ | c4a-highmem-8 | c4d-highmem-8 |
|---|---|---|
| Series | C4A | C4D |
| Specs source | Compute Engine API | Compute Engine API |
On-demand prices by region
Cheapest for c4a-highmem-8 first. Linux, USD per hour.
| Region | c4a-highmem-8 | c4d-highmem-8 | Difference |
|---|---|---|---|
| Columbusus-east5 | $0.4715 | $0.4818 | ▲ 2% |
| IowaUsed in summaryus-central1 | $0.4715 | $0.4818 | ▲ 2% |
| Northern Virginiaus-east4 | $0.4715 | $0.4818 | ▲ 2% |
| Oregonus-west1 | $0.4715 | $0.4818 | ▲ 2% |
| South Carolinaus-east1 | $0.4715 | $0.4818 | ▲ 2% |
| Mumbaiasia-south1 | $0.4904 | $0.5011 | ▲ 2% |
| Netherlandseurope-west4 | $0.4951 | $0.5059 | ▲ 2% |
| Belgiumeurope-west1 | $0.5192 | $0.5306 | ▲ 2% |
| Finlandeurope-north1 | $0.5192 | $0.5306 | ▲ 2% |
| Johannesburgafrica-south1 | $0.5192 | $0.5306 | ▲ 2% |
| Montréalnorthamerica-northeast1 | $0.5192 | $0.5306 | ▲ 2% |
| Torontonorthamerica-northeast2 | $0.5192 | $0.5306 | ▲ 2% |
| Las Vegasus-west4 | $0.5311 | $0.5427 | ▲ 2% |
| Londoneurope-west2 | $0.5375 | $0.5493 | ▲ 2% |
| Taiwanasia-east1 | $0.546 | $0.5579 | ▲ 2% |
| Frankfurteurope-west3 | $0.5564 | $0.5686 | ▲ 2% |
| Madrideurope-southwest1 | $0.5564 | $0.5686 | ▲ 2% |
| Singaporeasia-southeast1 | $0.5817 | $0.5945 | ▲ 2% |
| Sydneyaustralia-southeast1 | $0.5895 | $0.6023 | ▲ 2% |
| Tokyoasia-northeast1 | $0.6055 | $0.6188 | ▲ 2% |
| Melbourneaustralia-southeast2 | $0.6128 | $0.6264 | ▲ 2% |
Keep exploring
Each type’s own page, and how it compares with others.
GCP Compute Engine Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.