Specifications Compared
| Spec | MI250X | RTX-3090 |
|---|---|---|
| TDP | 560W | 350W |
| VRAM | 128 GB | 24 GB |
| Memory Type | HBM2e | GDDR6X |
| Architecture | CDNA 2 | Ampere |
| Form Factors | OAM | PCIe |
| Interconnect | Infinity Fabric | NVLink |
| FP16 Performance | 383 TFLOPS | 35.6 TFLOPS |
| FP32 Performance | 383 TFLOPS | 35.6 TFLOPS |
| FP64 Performance | 48 TFLOPS | |
| Memory Bandwidth | 3,277 GB/s | 936 GB/s |
Performance Analysis
The MI250X demonstrates overwhelming compute superiority with 383 TFLOPS in FP16 and FP32 compared to the RTX 3090 Ti's 35.6 TFLOPS, enabling over 10 times faster matrix operations critical for deep learning training and inference. Equal FP16 and FP32 rates on both GPUs support balanced performance across precisions, but the MI250X's scale accelerates large-scale model training where the RTX 3090 Ti bottlenecks on sustained throughput. Memory differences define real-world applicability: 128 GB HBM2e versus 24 GB GDDR6X allows the MI250X to handle models exceeding 70 billion parameters without splitting, while the RTX 3090 Ti limits to smaller batches or lower resolutions. Bandwidth at 3277 GB/s on the MI250X versus 936 GB/s reduces data transfer latency, supporting larger batch sizes in training by up to 3.5 times and minimizing overhead in memory-bound inference. Higher 560 W TDP on the MI250X demands robust cooling, contrasting the 350 W efficiency of the RTX 3090 Ti for edge deployments.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
MI250X
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 Cirrascale | 4×AMD Instinct MI250X 128GB VRAM | 128GB | 256 vCPU 1024GB RAM 11882GB Storage | United States | $1.28/GPU/hr $5.12/hr total (4×) | |||
Cirrascale | 4×AMD Instinct MI250X 128GB VRAM | 128GB | 256 vCPU 1024GB RAM 11882GB Storage | United States | $1.44/GPU/hr $5.76/hr total (4×) | |||
Cirrascale | 4×AMD Instinct MI250X 128GB VRAM | 128GB | 256 vCPU 1024GB RAM 11882GB Storage | United States | $1.52/GPU/hr $6.08/hr total (4×) | |||
Cirrascale | 4×AMD Instinct MI250X 128GB VRAM | 128GB | 256 vCPU 1024GB RAM 11882GB Storage | United States | $1.60/GPU/hr $6.40/hr total (4×) |
RTX 3090 Ti
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 TensorDock | NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 0 vCPU 0GB RAM | Wilmington, Delaware | $0.20/GPU/hr | Available | ||
TensorDock | NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 0 vCPU 0GB RAM | Dallas, Texas | $0.21/GPU/hr | Available | ||
 Vast.ai | 4×NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 32 vCPU 403GB RAM 104GB Storage | Iceland | $0.25/GPU/hr $1.01/hr total (4×) | Available | ||
Vast.ai | 4×NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 32 vCPU 252GB RAM 1440GB Storage | Finland | $0.27/GPU/hr $1.07/hr total (4×) | Available | ||
 LeaderGPU | 8×NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 64 vCPU 384GB RAM 2000GB Storage | Netherlands | $0.29/GPU/hr $2.29/hr total (8×) | Available |
When to Choose the MI250X
Select the AMD Instinct MI250X for large-scale AI training and scientific simulations requiring massive VRAM. Its 128 GB HBM2e capacity fits entire large language models without sharding, and 3277 GB/s bandwidth sustains high batch sizes. Datacenter users benefit from 383 TFLOPS FP16/FP32 for accelerated HPC workflows.
When to Choose the RTX 3090 Ti
Choose the NVIDIA GeForce RTX 3090 Ti for cost-sensitive prototyping, inference on mid-sized models, or hybrid gaming-ML setups. At $0.10 per hour starting price, its 24 GB GDDR6X handles fine-tuning up to 13 billion parameter models efficiently. Lower 350 W TDP suits smaller cloud instances without excessive power costs.
Use Cases
The MI250X's 128 GB VRAM and 383 TFLOPS FP16/FP32 handle massive models and large batches without sharding. RTX 3090 Ti's 24 GB limits scale for billion-parameter training.
3277 GB/s bandwidth on MI250X supports high-throughput serving of large models. RTX 3090 Ti suffices for smaller models but bottlenecks on memory-intensive queries.
RTX 3090 Ti's 24 GB VRAM fits most fine-tuning tasks at $0.10 per hour. MI250X overkill for sub-30 billion parameter adaptations.
RTX 3090 Ti's 35.6 TFLOPS and 24 GB GDDR6X generate images efficiently at low cost. MI250X unnecessary for consumer-scale diffusion models.
MI250X's 383 TFLOPS FP32 and Infinity Fabric excel in simulations needing high bandwidth. RTX 3090 Ti lacks capacity for large datasets.
Frequently Asked Questions
Which GPU has more VRAM: MI250X or RTX 3090 Ti?▾
The AMD Instinct MI250X offers 128 GB HBM2e VRAM, over five times the NVIDIA GeForce RTX 3090 Ti's 24 GB GDDR6X. This enables larger models on the MI250X. Bandwidth follows suit at 3277 GB/s versus 936 GB/s.
How do FP32 performance numbers compare?▾
MI250X delivers 383 TFLOPS FP32, exceeding RTX 3090 Ti's 35.6 TFLOPS by over 10 times. Both maintain equal FP16 rates. This gap accelerates compute-heavy tasks on MI250X.
What are the cloud rental prices?▾
MI250X starts at $1.28 per hour, averaging $1.46 across four providers. RTX 3090 Ti begins at $0.10 per hour, averaging $0.25 across five offers. Price reflects performance disparity.
Which has higher power consumption?▾
MI250X TDP is 560 W, higher than RTX 3090 Ti's 350 W. This suits datacenter cooling for MI250X. RTX 3090 Ti fits power-constrained environments.
Can RTX 3090 Ti scale like MI250X?▾
RTX 3090 Ti uses NVLink for multi-GPU, but MI250X's Infinity Fabric optimizes datacenter scaling. PCIe form factor limits RTX 3090 Ti clusters. MI250X better for large clusters.
Is MI250X newer than RTX 3090 Ti?▾
MI250X launched in 2021 on CDNA 2, postdating RTX 3090 Ti's 2020 Ampere release. Architecture focuses differ: datacenter versus consumer. Specs show MI250X's HPC advantages.
Which is cheaper to rent, the MI250X or the RTX 3090?▾
Cloud rental prices for both the MI250X and RTX 3090 vary by provider, configuration, and availability. This page shows live pricing from 25+ providers updated every 60 seconds. Scroll to the Live Cloud Pricing section to compare current rates.
How much VRAM does the MI250X have compared to the RTX 3090?▾
The MI250X has 128 GB of HBM2e memory. The RTX 3090 has 24 GB of GDDR6X memory.
Can I find MI250X and RTX 3090 GPUs available to rent right now?▾
Yes. This page shows real-time availability across 25+ cloud GPU providers. The Live Cloud Pricing section displays only in-stock offers with current pricing.
What is the main difference between the MI250X and the RTX 3090?▾
The MI250X uses the CDNA 2 architecture (2021) while the RTX 3090 uses Ampere (2020). The MI250X delivers 10.8x the FP16 throughput and 3.5x the memory bandwidth of the RTX 3090.