c4a-highmem-48vsc4d-highmem-48
c4a-highmem-48 is 2% cheaper than c4d-highmem-48 on demand in Iowa, saving $45.26 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-48 | c4d-highmem-48 |
|---|---|---|
| On-demand | $2.829/hr2% less | $2.891/hr |
| Lowest rate | $1.273/hr2% less3-yr committed use, no upfront | $1.301/hr3-yr committed use, no upfront |
| Size | 48 vCPUs, 384 GiB | 48 vCPUs, 378 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-48 | c4d-highmem-48 | c4d-highmem-48 vs c4a-highmem-48 |
|---|---|---|---|
| On-demandPay by the hour | $2.829 | $2.891 | ▲ 2% |
| SpotCan be interrupted | 51% off$1.395 | 56% off$1.281 | ▼ 8% |
| 1-yr committed useNo upfront | 34% off$1.865 | 37% off$1.821 | ▼ 2% |
| 3-yr committed useNo upfront | 55% off$1.273 | 55% off$1.301 | ▲ 2% |
Key differences
The biggest lead each one has.
Where c4a-highmem-48 leads
On-demand price$2.829 vs $2.891 per hour
2% cheaperMemory (GiB)384 vs 378
2% higherWhere c4d-highmem-48 leads
No clear lead on the measures we compare.
Specs
5 of 11 specs differ. Those are in bold.
| Compute2 of 3 differ | c4a-highmem-48 | c4d-highmem-48 |
|---|---|---|
| vCPUs | 48 | 48 |
| Architecture | arm64 | x86_64 |
| Processor | Google Axion | AMD EPYC Turin |
| Memory1 of 1 differ | c4a-highmem-48 | c4d-highmem-48 |
|---|---|---|
| Memory (GiB) | 384 | 378 |
| NetworkingAll 1 match | c4a-highmem-48 | c4d-highmem-48 |
|---|---|---|
| Network | Up to 34 Gbps | Up to 34 Gbps |
| StorageAll 2 match | c4a-highmem-48 | c4d-highmem-48 |
|---|---|---|
| Storage | Network disks only | Network disks only |
| Max persistent disks | 32 | 32 |
| Instance details1 of 2 differ | c4a-highmem-48 | c4d-highmem-48 |
|---|---|---|
| Family | c4a | c4d |
| Category | General purpose | General purpose |
| Other1 of 2 differ | c4a-highmem-48 | c4d-highmem-48 |
|---|---|---|
| Series | C4A | C4D |
| Specs source | Compute Engine API | Compute Engine API |
On-demand prices by region
Cheapest for c4a-highmem-48 first. Linux, USD per hour.
| Region | c4a-highmem-48 | c4d-highmem-48 | Difference |
|---|---|---|---|
| Columbusus-east5 | $2.829 | $2.891 | ▲ 2% |
| IowaUsed in summaryus-central1 | $2.829 | $2.891 | ▲ 2% |
| Northern Virginiaus-east4 | $2.829 | $2.891 | ▲ 2% |
| Oregonus-west1 | $2.829 | $2.891 | ▲ 2% |
| South Carolinaus-east1 | $2.829 | $2.891 | ▲ 2% |
| Mumbaiasia-south1 | $2.942 | $3.007 | ▲ 2% |
| Netherlandseurope-west4 | $2.971 | $3.036 | ▲ 2% |
| Belgiumeurope-west1 | $3.115 | $3.183 | ▲ 2% |
| Finlandeurope-north1 | $3.115 | $3.183 | ▲ 2% |
| Montréalnorthamerica-northeast1 | $3.115 | $3.183 | ▲ 2% |
| Torontonorthamerica-northeast2 | $3.115 | $3.183 | ▲ 2% |
| Johannesburgafrica-south1 | $3.115 | $3.183 | ▲ 2% |
| Las Vegasus-west4 | $3.186 | $3.256 | ▲ 2% |
| Londoneurope-west2 | $3.225 | $3.296 | ▲ 2% |
| Taiwanasia-east1 | $3.276 | $3.348 | ▲ 2% |
| Frankfurteurope-west3 | $3.338 | $3.412 | ▲ 2% |
| Madrideurope-southwest1 | $3.338 | $3.412 | ▲ 2% |
| Singaporeasia-southeast1 | $3.49 | $3.567 | ▲ 2% |
| Sydneyaustralia-southeast1 | $3.537 | $3.614 | ▲ 2% |
| Tokyoasia-northeast1 | $3.633 | $3.713 | ▲ 2% |
| Melbourneaustralia-southeast2 | $3.677 | $3.758 | ▲ 2% |
Keep exploring
Each type’s own page, and how it compares with others.
c4a-highmem-48
c4a-highmem-48 prices and specsEvery size in the c4a familyCompare c4a-highmem-48 with
c4d-highmem-48
c4d-highmem-48 prices and specsEvery size in the c4d familyCompare c4d-highmem-48 with
GCP Compute Engine Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.