A40 vs RTX 3090

Comparing the A40 and RTX 3090 for cloud rental? The A40 is available from 0 providers starting at , while the RTX 3090 starts at across 0 providers. Below is a live breakdown of pricing, VRAM, compute throughput, and where to rent each GPU.

A40

VRAM
48 GB
TFLOPS
150
Cheapest
See all A40 offers

RTX 3090

VRAM
24 GB
TFLOPS
71
Cheapest
See all RTX 3090 offers

A40 vs RTX 3090 at a glance

Spec profile

A40RTX 3090
A40 vs RTX 3090 spec comparison radar chartVRAMFP16BandwidthValueProviders

Each axis is scaled to the stronger GPU — the outer edge is better.

Value for money

Live pricing for both GPUs is needed to compute value-for-money metrics. See the provider tables below for current rates.

Specs are manufacturer peak FP16 Tensor figures; real-world throughput varies by workload, precision, and software stack.

A40 vs RTX 3090 specs & pricing

SpecificationA40RTX 3090
Cheapest price
VRAM
48 GB
24 GB
FP16 TFLOPS
150
71
Memory bandwidth
696 GB/s
936 GB/s
Release year
2021
2020
Cloud providers

Which should you choose?

  • A40 has more VRAM (48 GB), so it fits larger models and bigger batch sizes without sharding.
  • A40 offers higher FP16 throughput, training and serving faster on compute-bound workloads.

Provider availability

Only A40
None
Both GPUs
None
Only RTX 3090
None

Frequently asked questions

How much VRAM do the A40 and RTX 3090 have?

The A40 has 48 GB of VRAM and the RTX 3090 has 24 GB. More VRAM lets you serve larger models and longer context windows on a single GPU.

Which is faster, the A40 or RTX 3090?

On paper the A40 is faster, with 150 FP16 TFLOPS versus 71. Real-world speed also depends on memory bandwidth and software stack.

Live prices come from public provider catalogs and can change quickly. How we collect prices.

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