RTX 3060 Ti vs RTX 3090 Ti

AmperevsAmpereUpdated 35 days ago

The RTX 3090 Ti claims victory for prevalent AI tasks: 35.6 TFLOPS compute, 24 GB VRAM, and 936 GB/s bandwidth enable handling of demanding models and batches far beyond the RTX 3060 Ti's 12.7 TFLOPS, 12 GB, and 360 GB/s, outweighing the price gap in productivity gains.

RTX 3060 Ti from $0.23/hrRTX 3090 Ti 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

The RTX 3090 Ti delivers superior compute throughput: 35.6 TFLOPS in FP16 and FP32 versus 12.7 TFLOPS on the RTX 3060 Ti, yielding roughly 2.8 times faster tensor operations. In training scenarios, this accelerates gradient computations and epoch times; for inference, it reduces latency on batched requests using FP16 precision prevalent in transformer models.

Higher memory bandwidth of 936 GB/s on the RTX 3090 Ti sustains larger batch sizes during training, preventing data starvation unlike the 360 GB/s limit of the RTX 3060 Ti. Paired with 24 GB VRAM over 12 GB, it accommodates expansive models without offloading, enhancing throughput in memory-bound tasks like large language model fine-tuning.

The RTX 3090 Ti's NVLink interconnect enables efficient multi-GPU communication, absent on the RTX 3060 Ti, while its 350W TDP demands more power than the 170W of the smaller card.

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
4×NVIDIA GeForce RTX 3060
12GB VRAM
$0.23/GPU/hr
$0.90/hr total (4×)
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 Ti

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 excels in cost-sensitive deployments for inference or fine-tuning smaller models fitting within 12 GB VRAM. Its 170W TDP and starting price of $0.03 per hour make it ideal for prototyping, Stable Diffusion generation, or lightweight scientific simulations where 12.7 TFLOPS suffices without excess capacity.

When to Choose the RTX 3090 Ti

Choose the RTX 3090 Ti for VRAM-intensive workloads exceeding 12 GB, such as training large LLMs or high-resolution simulations leveraging 24 GB GDDR6X. The 936 GB/s bandwidth and 35.6 TFLOPS support massive batches and rapid iterations, with NVLink aiding scaled setups despite the $0.10 per hour entry cost.

Use Cases

LLM Training
RTX 3090 Ti

RTX 3090 Ti's 24 GB VRAM and 936 GB/s bandwidth handle large models and batches, unlike RTX 3060 Ti's 12 GB and 360 GB/s limits.

LLM Inference
RTX 3090 Ti

35.6 TFLOPS on RTX 3090 Ti delivers lower latency for high-throughput inference; 24 GB VRAM supports bigger models than 12 GB on RTX 3060 Ti.

Fine-tuning
RTX 3090 Ti

RTX 3090 Ti's superior 35.6 TFLOPS and doubled VRAM accelerate fine-tuning of parameter-heavy models over RTX 3060 Ti's 12.7 TFLOPS.

Stable Diffusion
RTX 3060 Ti

RTX 3060 Ti's 12 GB VRAM suffices for most Stable Diffusion pipelines at 12.7 TFLOPS, with lower $0.03 per hour pricing than RTX 3090 Ti.

Scientific Computing
RTX 3090 Ti

RTX 3090 Ti's 936 GB/s bandwidth and NVLink excel in parallel simulations requiring high memory throughput beyond RTX 3060 Ti capabilities.

Frequently Asked Questions

Which GPU has more VRAM: RTX 3060 Ti or RTX 3090 Ti?

RTX 3090 Ti offers 24 GB GDDR6X, double the 12 GB GDDR6 of RTX 3060 Ti. This supports larger models in AI tasks. Bandwidth reaches 936 GB/s on RTX 3090 Ti versus 360 GB/s.

What are the FP32 performance differences between RTX 3060 Ti and RTX 3090 Ti?

RTX 3060 Ti provides 12.7 TFLOPS FP32, while RTX 3090 Ti achieves 35.6 TFLOPS. This gap speeds up training by about 2.8 times on the larger card. FP16 matches these figures on both.

How do cloud prices compare for RTX 3060 Ti and RTX 3090 Ti?

RTX 3060 Ti starts at $0.03 per hour (average $0.06 per hour) across 2 offers. RTX 3090 Ti begins at $0.10 per hour (average $0.25 per hour) across 5 offers. Prices reflect performance scaling.

What is the TDP of RTX 3060 Ti versus RTX 3090 Ti?

RTX 3060 Ti consumes 170W TDP, lower than RTX 3090 Ti's 350W. This impacts cloud energy costs and cooling needs. Both use PCIe form factors.

Does RTX 3060 Ti support NVLink?

RTX 3060 Ti lacks NVLink interconnect, unlike RTX 3090 Ti which includes it for multi-GPU setups. This limits scaling on the smaller card. PCIe serves both singly.

Which is better for large model training?

RTX 3090 Ti outperforms with 24 GB VRAM and 35.6 TFLOPS for large models. RTX 3060 Ti's 12 GB restricts batch sizes at 360 GB/s bandwidth.

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