MI300X vs RTX 3060

CDNA 3vsAmpereUpdated 36 days ago

The MI300X emerges as the superior choice for dominant AI workloads: 192 GB VRAM and 1307 TFLOPS FP16 outperform RTX 3060's 12 GB and 12.7 TFLOPS, enabling large-scale training and inference. While RTX 3060 excels in cost at $0.03 per hour, MI300X justifies $0.50 per hour premiums through unmatched throughput and capacity in production environments.

MI300X from $1.99/hrRTX 3060 from $0.23/hr

Specifications Compared

SpecMI300XRTX-3060
TDP750W170W
VRAM192 GB12 GB
Memory TypeHBM3GDDR6
ArchitectureCDNA 3Ampere
Form FactorsOAMPCIe
InterconnectInfinity Fabric, PCIe 5.0
FP8 Performance2,614 TFLOPS
FP16 Performance1,307 TFLOPS12.7 TFLOPS
FP32 Performance163 TFLOPS12.7 TFLOPS
FP64 Performance81.7 TFLOPS
INT8 Performance2,614 TOPS
Memory Bandwidth5,300 GB/s360 GB/s

Performance Analysis

The MI300X dominates in compute throughput: its 1307 TFLOPS FP16 vastly exceeds the RTX 3060's 12.7 TFLOPS, enabling faster AI model training where half-precision calculations prevail. The FP32 performance follows suit at 163 TFLOPS for MI300X versus 12.7 TFLOPS on RTX 3060, benefiting general-purpose simulations. This FP16 to FP32 delta signals MI300X optimization for machine learning pipelines, reducing training times for large neural networks, while RTX 3060 suits balanced graphics and lighter inference. Memory capacity proves decisive: 192 GB HBM3 on MI300X supports enormous batch sizes and models exceeding 12 GB GDDR6 limits on RTX 3060, preventing out-of-memory errors in transformer-based tasks. Bandwidth amplifies this: 5300 GB/s versus 360 GB/s accelerates data movement, sustaining high throughput for inference on voluminous datasets. In practice, MI300X handles production-scale deployments, whereas RTX 3060 fits prototyping with smaller payloads. Power draw underscores trade-offs: 750W TDP demands robust cooling, contrasting RTX 3060's efficient 170W.

Live Cloud Pricing

Real-time prices from 25+ providers. Updated every 60 seconds.

MI300X

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
RunPod
RunPod
AMD Instinct MI300X
192GB VRAM
$1.99/GPU/hr
Hot Aisle
Hot Aisle
AMD Instinct MI300X
192GB VRAM
$1.99/GPU/hr
Available
Cirrascale
Cirrascale
8×AMD Instinct MI300X
192GB VRAM
$3.08/GPU/hr
$24.64/hr total (8×)
Crusoe
Crusoe
AMD Instinct MI300X
192GB VRAM
$3.45/GPU/hr
Cirrascale
Cirrascale
8×AMD Instinct MI300X
192GB VRAM
$3.47/GPU/hr
$27.76/hr total (8×)

RTX 3060

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA GeForce RTX 3060
12GB VRAM
$0.23/GPU/hr
Available
Vast.ai
Vast.ai
2×NVIDIA GeForce RTX 3060
12GB VRAM
$0.23/GPU/hr
$0.45/hr total (2×)
Available
Vast.ai
Vast.ai
2×NVIDIA GeForce RTX 3060
12GB VRAM
$0.23/GPU/hr
$0.45/hr total (2×)
Available
Vast.ai
Vast.ai
2×NVIDIA GeForce RTX 3060
12GB VRAM
$0.23/GPU/hr
$0.45/hr total (2×)
Available

Compare real-time pricing across 25+ providers

When to Choose the MI300X

Enterprises tackling large language model training select the MI300X: its 192 GB HBM3 VRAM accommodates models with billions of parameters, and 1307 TFLOPS FP16 accelerates convergence. High-bandwidth inference benefits from 5300 GB/s and FP8 at 2614 TFLOPS, ideal for real-time serving at scale. Datacenter interconnects like Infinity Fabric and PCIe 5.0 enable multi-GPU clusters unavailable on consumer cards.

When to Choose the RTX 3060

Budget-conscious developers prototyping small models choose the RTX 3060: 12 GB GDDR6 suffices for fine-tuning under 10 billion parameters, with FP16 at 12.7 TFLOPS matching modest needs. Cloud pricing from $0.03 per hour supports experimentation without high costs. Its PCIe form factor integrates easily into general-purpose instances for gaming or entry-level AI.

Use Cases

LLM Training
MI300X

The MI300X's 192 GB HBM3 VRAM handles massive models without splitting, and 1307 TFLOPS FP16 speeds training cycles. RTX 3060's 12 GB limits scale.

LLM Inference
MI300X

FP8 performance at 2614 TFLOPS on MI300X delivers low-latency serving for large batches via 5300 GB/s bandwidth. RTX 3060 constrains throughput with 360 GB/s.

Fine-tuning
Either

RTX 3060's 12.7 TFLOPS FP16 supports small adapters at $0.03 per hour, while MI300X scales to larger ones with 163 TFLOPS FP32.

Stable Diffusion
RTX 3060

12 GB GDDR6 meets image generation needs efficiently at 170W TDP and $0.07 average hourly cost. MI300X overkill for consumer creative tasks.

Scientific Computing
MI300X

MI300X's 163 TFLOPS FP32 outperforms RTX 3060's 12.7 TFLOPS for simulations, aided by 192 GB VRAM for complex datasets.

Frequently Asked Questions

What is the VRAM difference between MI300X and RTX 3060?

The MI300X provides 192 GB HBM3 VRAM, dwarfing the RTX 3060's 12 GB GDDR6. This enables MI300X to load vast models intact. RTX 3060 suits smaller workloads.

How do FP16 performances compare?

MI300X achieves 1307 TFLOPS in FP16, over 100 times the RTX 3060's 12.7 TFLOPS. This gap accelerates AI training on MI300X. RTX 3060 handles basic tensor operations.

What are the cloud pricing ranges?

MI300X starts at $0.50 per hour, averaging $2.63 across nine offers. RTX 3060 begins at $0.03 per hour, averaging $0.07 over twelve offers. Costs align with capability tiers.

Which has higher memory bandwidth?

MI300X delivers 5300 GB/s, far exceeding RTX 3060's 360 GB/s. Higher bandwidth supports larger batches on MI300X. RTX 3060 suffices for modest data flows.

What are the TDP values?

MI300X requires 750W TDP for peak performance, versus RTX 3060's 170W. This makes MI300X suited to datacenter power setups. RTX 3060 fits low-power consumer rigs.

Can RTX 3060 match MI300X in AI tasks?

RTX 3060's 12.7 TFLOPS FP16 falls short of MI300X's 1307 TFLOPS for large-scale AI. It works for prototyping but not production. VRAM limits further hinder RTX 3060.

Which is cheaper to rent, the MI300X or the RTX 3060?

Cloud rental prices for both the MI300X and RTX 3060 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 3060?

The MI300X has 192 GB of HBM3 memory. The RTX 3060 has 12 GB of GDDR6 memory.

Can I find MI300X and RTX 3060 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 3060?

The MI300X uses the CDNA 3 architecture (2023) while the RTX 3060 uses Ampere (2021). The MI300X delivers 102.9x the FP16 throughput and 14.7x the memory bandwidth of the RTX 3060.

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