RTX 4090 vs MI350X

Comparing the RTX 4090 and MI350X for cloud rental? The RTX 4090 is available from 0 providers starting at , while the MI350X starts at across 0 providers. Below is a live breakdown of pricing, VRAM, compute throughput, and where to rent each GPU.

Spec sources:RTX 4090 · verified 2026-06-19 · MediumMI350X · verified 2026-06-19 · HighOfficialOfficial

RTX 4090

VRAM
24 GB
TFLOPS
165
Cheapest
See all RTX 4090 offers

MI350X

VRAM
288 GB
TFLOPS
2300
Cheapest
See all MI350X offers

RTX 4090 vs MI350X at a glance

Spec profile

RTX 4090MI350X
RTX 4090 vs MI350X 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.

RTX 4090 vs MI350X specs & pricing

SpecificationRTX 4090MI350X
Cheapest price
VRAM
24 GB
288 GB
FP16 TFLOPS
165
2300
Memory bandwidth
1008 GB/s
8000 GB/s
Release year
2022
2025
Cloud providers

Which should you choose?

  • MI350X has more VRAM (288 GB), so it fits larger models and bigger batch sizes without sharding.
  • MI350X offers higher FP16 throughput, training and serving faster on compute-bound workloads.

Provider availability

Only RTX 4090
None
Both GPUs
None
Only MI350X
None

Frequently asked questions

How much VRAM do the RTX 4090 and MI350X have?

The RTX 4090 has 24 GB of VRAM and the MI350X has 288 GB. More VRAM lets you serve larger models and longer context windows on a single GPU.

Which is faster, the RTX 4090 or MI350X?

On paper the MI350X is faster, with 2300 FP16 TFLOPS versus 165. 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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