GPU comparison

MI300X vs RTX 3070

Specifications and current cloud pricing, side by side.

CDNA 3vsAmpereUpdated 34 days ago

For the most common use case of large language model training the MI300X provides superior capability due to its 192 GB memory and 1307.4 TFLOPS dense FP16 performance compared to the RTX 3070 specifications.

MI300X listed from $0.95/GPU/hrRTX 3070 listed from $0.13/GPU/hr

Specifications Compared

SpecMI300XRTX 3070
TDP750W220W
VRAM192 GB8 GB
CUDA CoresNot published5,888
FP8 (dense)2,614.9 TFLOPSNot published
Memory TypeHBM3GDDR6
ArchitectureCDNA 3Ampere
FP16 (dense)1,307.4 TFLOPS40.6 TFLOPS
Form FactorsOAMPCIe
INT8 (dense)2,614.9 TOPS162.6 TOPS
InterconnectInfinity Fabric, PCIe 5.0PCIe 4.0
Tensor CoresNot published184
FP32 Performance163.4 TFLOPS20.3 TFLOPS
FP64 Performance81.7 TFLOPSNot published
Memory Bandwidth5,300 GB/s448 GB/s
FP8 (with sparsity)5,229.8 TFLOPSNot published
FP16 (with sparsity)2,614.9 TFLOPS81.3 TFLOPS
INT8 (with sparsity)5,229.8 TOPS325.2 TOPS

Performance Analysis

The FP16 dense performance of 1307.4 TFLOPS on the MI300X compared to 40.6 TFLOPS on the RTX 3070 indicates substantially higher throughput for training and inference operations that rely on half precision calculations. This delta allows the MI300X to handle larger models or faster iterations in dense FP16 scenarios. The FP32 figures of 163.4 TFLOPS versus 20.3 TFLOPS show similar scaling for single precision workloads. Memory bandwidth differences affect batch sizes directly as the 5300 GB/s on the MI300X supports much larger data transfers than the 448 GB/s on the RTX 3070. In sparse FP16 comparisons the MI300X reaches 2614.9 TFLOPS against 81.3 TFLOPS on the RTX 3070. These metrics guide selection based on workload scale and precision requirements.

Current On-Demand Offers

Cheapest secure on-demand offer per provider that is reported in stock right now, per GPU per hour; multi-GPU instances show the whole-instance price alongside. Deploy opens the DeployGPU console for providers on the platform, otherwise the provider's own site. Stock is rechecked every minute.

MI300X

MI300X is not offered on-demand by any provider we track right now. See the MI300X rental page for last-seen listed prices and a price alert.

RTX 3070

RTX 3070 is not offered on-demand by any provider we track right now. See the RTX 3070 rental page for last-seen listed prices and a price alert.

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When to Choose the MI300X

The MI300X suits scenarios requiring extensive memory such as training models that exceed 8 GB capacity. Its 192 GB HBM3 and 5300 GB/s bandwidth enable processing of very large datasets in a single device.

When to Choose the RTX 3070

The RTX 3070 fits consumer level applications or environments with power constraints under 220W TDP. Its PCIe form factor and 8 GB GDDR6 memory support standard graphics and light compute tasks effectively.

Use Cases

LLM Training
MI300X

The MI300X offers 192 GB VRAM and 1307.4 TFLOPS dense FP16 which accommodates large models.

LLM Inference
MI300X

The MI300X delivers 2614.9 TFLOPS dense FP8 for efficient inference throughput.

Fine-tuning
MI300X

The MI300X provides 192 GB HBM3 and 5300 GB/s bandwidth to manage fine tuning of sizable models.

Stable Diffusion
RTX 3070

The RTX 3070 supplies 8 GB GDDR6 and 20.3 TFLOPS FP32 for typical image generation workloads.

Scientific Computing
MI300X

The MI300X achieves 163.4 TFLOPS FP32 with 192 GB memory for demanding simulations.

Frequently Asked Questions

How does the memory of the MI300X compare to the RTX 3070?▾

The MI300X contains 192 GB HBM3 memory. The RTX 3070 contains 8 GB GDDR6 memory.

What is the FP16 dense performance difference?▾

The MI300X reaches 1307.4 TFLOPS in dense FP16. The RTX 3070 reaches 40.6 TFLOPS in dense FP16.

Which GPU has higher memory bandwidth?▾

The MI300X has 5300 GB/s memory bandwidth. The RTX 3070 has 448 GB/s memory bandwidth.

What are the TDP ratings for each GPU?▾

The MI300X has a TDP of 750W. The RTX 3070 has a TDP of 220W.

What interconnect options exist on the MI300X?▾

The MI300X supports Infinity Fabric and PCIe 5.0. The RTX 3070 supports PCIe 4.0.

Which is cheaper to rent, the MI300X or the RTX 3070?▾

Cloud rental prices for both the MI300X and RTX 3070 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 MI300X have compared to the RTX 3070?▾

The MI300X has 192 GB of HBM3 memory. The RTX 3070 has 8 GB of GDDR6 memory.

Can I find MI300X and RTX 3070 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 MI300X and the RTX 3070?▾

The MI300X uses the CDNA 3 architecture (2023) while the RTX 3070 uses Ampere (2020). The MI300X delivers 32.2x the dense FP16 throughput (1,307.4 vs 40.6 TFLOPS, both without sparsity) and 11.8x the memory bandwidth of the RTX 3070.

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How this page is made

  • Specifications come from the NVIDIA, AMD and Intel datasheets for the MI300X and the RTX 3070. Dense and sparse throughput are listed separately.
  • Prices and availability are live: every offer shown is an in-stock, on-demand listing from a provider we track, rechecked every minute.
  • The written comparison (overview, performance notes, when to choose each card, verdict, use cases and FAQ) was drafted with an AI model from the specification table above and passed an automated check that rejects any figure not in that table. It was last generated on . It contains no prices; those are always read live.
  • Read how we collect the data, or report an error on this page.

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