RTX 3060 Ti vs RTX 3090

AmperevsAmpereUpdated 35 days ago

The RTX 3090 emerges as the winner for common use cases like LLM inference and fine-tuning: its 35.6 TFLOPS, 24 GB VRAM, and 936 GB/s bandwidth support larger batches and faster throughput, justifying the $0.44 average hourly rate over the RTX 3060 Ti's constraints.

RTX 3060 Ti from $0.23/hrRTX 3090 from $0.20/hr

Specifications Compared

SpecRTX-3060RTX-3090
TDP170W350W
VRAM12 GB24 GB
CUDA Cores3,58410,496
Memory TypeGDDR6GDDR6X
ArchitectureAmpereAmpere
Form FactorsPCIePCIe
InterconnectNVLink
Tensor Cores112328
FP16 Performance12.7 TFLOPS35.6 TFLOPS
FP32 Performance12.7 TFLOPS35.6 TFLOPS
Memory Bandwidth360 GB/s936 GB/s

Performance Analysis

Compute capabilities differ sharply between the GPUs: the RTX 3090 delivers 35.6 TFLOPS in FP16 and FP32, nearly tripling the RTX 3060 Ti's 12.7 TFLOPS. This advantage accelerates deep learning training and inference, where half-precision FP16 dominates for efficiency. Larger models train faster on the RTX 3090, reducing iteration times in resource-intensive pipelines.

Memory profiles impact real-world usage profoundly. The RTX 3090's 24 GB GDDR6X VRAM and 936 GB/s bandwidth enable larger batch sizes in training or inference compared to the RTX 3060 Ti's 12 GB GDDR6 and 360 GB/s, minimizing out-of-memory errors for complex datasets. High-bandwidth tasks like image generation benefit most from this gap.

Form factors align as PCIe for both, but the RTX 3090's 350W TDP and NVLink support multi-GPU configurations, extending scalability beyond the RTX 3060 Ti's 170W limit.

Live Cloud Pricing

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

RTX 3060 Ti

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA GeForce RTX 3060
12GB VRAM
$0.23/GPU/hr
Available
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

RTX 3090

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA GeForce RTX 3090
24GB VRAM
$0.20/GPU/hr
Available
TensorDock
TensorDock
NVIDIA GeForce RTX 3090
24GB VRAM
$0.21/GPU/hr
Available
Vast.ai
Vast.ai
4×NVIDIA GeForce RTX 3090
24GB VRAM
$0.25/GPU/hr
$1.01/hr total (4×)
Available
Vast.ai
Vast.ai
4×NVIDIA GeForce RTX 3090
24GB VRAM
$0.27/GPU/hr
$1.07/hr total (4×)
Available
LeaderGPU
LeaderGPU
8×NVIDIA GeForce RTX 3090
24GB VRAM
$0.29/GPU/hr
$2.29/hr total (8×)
Available

Compare real-time pricing across 25+ providers

When to Choose the RTX 3060 Ti

The RTX 3060 Ti suits budget-conscious users and lighter workloads. Its starting price of $0.03 per hour and 170W TDP make it ideal for prototyping, small-scale inference, or fine-tuning models fitting within 12 GB VRAM and 12.7 TFLOPS. Cloud deployments with limited power budgets favor this GPU for cost efficiency averaging $0.06 per hour.

When to Choose the RTX 3090

The RTX 3090 targets high-performance demands. With 24 GB GDDR6X VRAM, 936 GB/s bandwidth, and 35.6 TFLOPS, it handles large model training, high-resolution Stable Diffusion, or memory-bound simulations effectively. NVLink enables multi-GPU setups despite the 350W TDP and higher average $0.44 per hour cost.

Use Cases

LLM Training
RTX 3090

The RTX 3090's 24 GB VRAM and 35.6 TFLOPS handle large language models without memory limits, unlike the RTX 3060 Ti's 12 GB and 12.7 TFLOPS.

LLM Inference
RTX 3090

Higher 936 GB/s bandwidth on the RTX 3090 enables bigger batch sizes for efficient inference, surpassing the RTX 3060 Ti's 360 GB/s.

Fine-tuning
RTX 3060 Ti

The RTX 3060 Ti's 12 GB VRAM and $0.03 per hour starting price suffice for fine-tuning smaller models, offering better value than the RTX 3090.

Stable Diffusion
RTX 3090

Stable Diffusion requires substantial VRAM for high resolutions: the RTX 3090's 24 GB GDDR6X outperforms the RTX 3060 Ti's 12 GB.

Scientific Computing
RTX 3090

Scientific simulations leverage the RTX 3090's 35.6 TFLOPS FP32 and NVLink for compute-intensive parallel tasks over the RTX 3060 Ti.

Frequently Asked Questions

Which GPU has more VRAM?

The RTX 3090 offers 24 GB GDDR6X VRAM. The RTX 3060 Ti provides 12 GB GDDR6. This difference affects handling of large models.

What are the current cloud pricing ranges?

RTX 3060 Ti pricing starts from $0.03 per hour, averaging $0.06 per hour across 2 offers. RTX 3090 starts from $0.08 per hour, averaging $0.44 per hour across 44 offers.

Which has higher compute performance?

The RTX 3090 achieves 35.6 TFLOPS in FP16 and FP32. The RTX 3060 Ti reaches 12.7 TFLOPS in both. This impacts training speed.

Does either support NVLink?

The RTX 3090 includes NVLink interconnect for multi-GPU setups. The RTX 3060 Ti lacks this feature.

What are the TDP ratings?

RTX 3090 TDP is 350W. RTX 3060 Ti TDP is 170W. Lower TDP aids power-constrained environments.

Are they the same architecture?

Both use Ampere architecture, RTX 3060 Ti from 2021 and RTX 3090 from 2020. Compatibility with modern ML frameworks is consistent.

Which is cheaper to rent, the RTX 3060 or the RTX 3090?

Cloud rental prices for both the RTX 3060 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 RTX 3060 have compared to the RTX 3090?

The RTX 3060 has 12 GB of GDDR6 memory. The RTX 3090 has 24 GB of GDDR6X memory.

Can I find RTX 3060 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 RTX 3060 and the RTX 3090?

The RTX 3060 uses the Ampere architecture (2021) while the RTX 3090 uses Ampere (2020). The RTX 3090 delivers 2.8x the FP16 throughput and 2.6x the memory bandwidth of the RTX 3060.

RTX 3060 Ti vs RTX 3090: 2.8x FP16 Gap, 24GB vs 12GB | GPUPerHour