VPS Arena

Aruba Cloud VPS O4A8 vs Hetzner CAX21.

plan vs plan · September 2026 · refreshed daily

Hetzner CAX21 takes 2 of 6 spec rounds against Aruba Cloud VPS O4A8. It is also the cheaper plan, at $12.22/mo versus $13.74/mo.

Aruba Cloud

VPS O4A8 · 4 vCPU · 8 GB

$13.74/mo

4 vCPU shared · 8 GB · 80 GB NVME

provider ↗
Hetznerwins 2 rounds

CAX21 · 4 vCPU · 8 GB

$12.22/mo

4 vCPU shared · 8 GB · 80 GB NVME

provider ↗

Monthly price(lower wins)

$13.74/mo

$12.22/mo

$ per GB RAM(lower wins)

$1.72

$1.53

RAM

8 GB

8 GB

vCPU

4 shared

4 shared

Disk

80 GB NVME

80 GB NVME

Bandwidth

50 TB/mo

Value score

89/100

86/100

Regions

1

3

Countries served by both · 0

No overlap — if location matters, that alone may decide it.

Go further

Add a third or fourth plan, or switch the workload weighting, in the interactive tool.

Frequently asked

Which is cheaper, Aruba Cloud VPS O4A8 or Hetzner CAX21?
Hetzner CAX21 at $12.22/mo (excl. VAT) versus $13.74/mo — a difference of $1.52/mo, as of 10 Sept 2026.
Which offers more RAM per dollar?
Hetzner CAX21: $1.53 per GB of RAM per month versus $1.72 for Aruba Cloud VPS O4A8.
Can I deploy both in the same country?
No — the two plans have no country in common, so location alone may decide it.

Prices exclude VAT, fetched 10 Sept 2026 from each provider's own API or public price page. Bars are scaled to the larger value in each row.

Related head-to-headsAruba Cloud VPS O4A8 vs Contabo Cloud VPS Plus 4Aruba Cloud VPS O4A8 vs HOSTKEY vm.v3-miniContabo Cloud VPS Plus 4 vs Hetzner CAX21Hetzner CAX21 vs HOSTKEY vm.v3-miniHetzner CAX21 vs netcup RS 1000 G12Hetzner CAX21 vs OVHcloud VPS-2 2027