RTX 4090 vs MI250X

Comparing the RTX 4090 and MI250X for cloud rental? The RTX 4090 is available from 0 providers starting at , while the MI250X starts at across 0 providers. Below is a live breakdown of pricing, VRAM, compute throughput, and where to rent each GPU.

RTX 4090

VRAM
24 GB
TFLOPS
165
Cheapest
See all RTX 4090 offers

MI250X

VRAM
128 GB
TFLOPS
383
Cheapest
See all MI250X offers

RTX 4090 vs MI250X at a glance

Spec profile

RTX 4090MI250X
RTX 4090 vs MI250X 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 MI250X specs & pricing

SpecificationRTX 4090MI250X
Cheapest price
VRAM
24 GB
128 GB
FP16 TFLOPS
165
383
Memory bandwidth
1008 GB/s
3200 GB/s
Release year
2022
2022
Cloud providers

Which should you choose?

  • MI250X has more VRAM (128 GB), so it fits larger models and bigger batch sizes without sharding.
  • MI250X offers higher FP16 throughput, training and serving faster on compute-bound workloads.

Provider availability

Only RTX 4090
None
Both GPUs
None
Only MI250X
None

Frequently asked questions

How much VRAM do the RTX 4090 and MI250X have?

The RTX 4090 has 24 GB of VRAM and the MI250X has 128 GB. More VRAM lets you serve larger models and longer context windows on a single GPU.

Which is faster, the RTX 4090 or MI250X?

On paper the MI250X is faster, with 383 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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