RTX 3060 Ti vs RTX 4090

AmperevsAda LovelaceUpdated 35 days ago

The RTX 4090 wins for common use cases like LLM training and inference: 165 TFLOPS FP16 and 24 GB VRAM handle scale far beyond the RTX 3060 Ti's 12.7 TFLOPS and 12 GB, delivering superior speed despite higher $0.16 per hour costs.

RTX 3060 Ti from $0.23/hrRTX 4090 from $0.39/hr

Specifications Compared

SpecRTX-3060RTX-4090
TDP170W450W
VRAM12 GB24 GB
CUDA Cores3,58416,384
Memory TypeGDDR6GDDR6X
ArchitectureAmpereAda Lovelace
Form FactorsPCIePCIe
InterconnectPCIe 4.0
Tensor Cores112512
FP16 Performance12.7 TFLOPS165 TFLOPS
FP32 Performance12.7 TFLOPS82.6 TFLOPS
Memory Bandwidth360 GB/s1,008 GB/s

Performance Analysis

Compute differences favor the RTX 4090 decisively: 165 TFLOPS FP16 versus 12.7 TFLOPS on the RTX 3060 Ti accelerates AI training cycles significantly. FP32 at 82.6 TFLOPS on the RTX 4090 outpaces the RTX 3060 Ti's 12.7 TFLOPS, benefiting general compute tasks. The FP16 to FP32 ratio on Ada Lovelace supports mixed-precision training efficiently, while Ampere's parity limits optimization. Inference benefits from RTX 4090's FP8 at 660 TFLOPS for quantized models. Memory bandwidth of 1008 GB/s on the RTX 4090 enables larger batch sizes than 360 GB/s on the RTX 3060 Ti, minimizing stalls in data-heavy operations like LLM processing. Higher TDP at 450W versus 170W indicates RTX 4090's capacity for sustained high loads in cloud setups.

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 4090

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA GeForce RTX 4090
24GB VRAM
$0.39/GPU/hr
Available
TensorDock
TensorDock
NVIDIA GeForce RTX 4090
24GB VRAM
$0.48/GPU/hr
Available
Vast.ai
Vast.ai
4×NVIDIA GeForce RTX 4090
24GB VRAM
$0.53/GPU/hr
$2.13/hr total (4×)
Available
Vast.ai
Vast.ai
4×NVIDIA GeForce RTX 4090
24GB VRAM
$0.67/GPU/hr
$2.67/hr total (4×)
Available
Vast.ai
Vast.ai
4×NVIDIA GeForce RTX 4090
24GB VRAM
$0.67/GPU/hr
$2.67/hr total (4×)
Available

Compare real-time pricing across 25+ providers

When to Choose the RTX 3060 Ti

The RTX 3060 Ti fits entry-level cloud tasks with modest requirements. Its 12 GB VRAM suffices for inference on small models or basic fine-tuning, paired with a low starting price of $0.03 per hour. The 170W TDP suits constrained power budgets, and 360 GB/s bandwidth handles standard batch sizes effectively.

When to Choose the RTX 4090

The RTX 4090 targets high-performance needs with 24 GB VRAM for large models. Its 165 TFLOPS FP16 and 1008 GB/s bandwidth excel in training or Stable Diffusion, justifying $0.16 per hour starts. PCIe 4.0 interconnect enhances data transfer in demanding workflows.

Use Cases

LLM Training
RTX 4090

RTX 4090's 24 GB VRAM and 165 TFLOPS FP16 support large-scale training, while RTX 3060 Ti's 12 GB and 12.7 TFLOPS limit model size and speed.

LLM Inference
RTX 4090

RTX 4090's 1008 GB/s bandwidth and 660 TFLOPS FP8 enable high-throughput inference; RTX 3060 Ti's 360 GB/s suits only small deployments.

Fine-tuning
RTX 4090

RTX 4090's 82.6 TFLOPS FP32 and higher bandwidth accelerate iterations; RTX 3060 Ti's 12.7 TFLOPS works for tiny datasets at lower cost.

Stable Diffusion
RTX 4090

RTX 4090's 24 GB VRAM manages high-resolution generations with 165 TFLOPS FP16; RTX 3060 Ti's 12 GB restricts image sizes.

Scientific Computing
RTX 4090

RTX 4090's 82.6 TFLOPS FP32 outperforms RTX 3060 Ti's 12.7 TFLOPS for simulations; extra bandwidth aids large datasets.

Frequently Asked Questions

What is the VRAM difference between RTX 3060 Ti and RTX 4090?

RTX 4090 offers 24 GB GDDR6X, double the RTX 3060 Ti's 12 GB GDDR6. This allows larger models on RTX 4090. Bandwidth reaches 1008 GB/s on RTX 4090 versus 360 GB/s.

Which GPU has higher FP16 performance?

RTX 4090 achieves 165 TFLOPS FP16, over 13 times the RTX 3060 Ti's 12.7 TFLOPS. This boosts AI training speed. FP32 is 82.6 TFLOPS on RTX 4090 versus 12.7 TFLOPS.

How do cloud prices compare for these GPUs?

RTX 3060 Ti starts at $0.03 per hour, averaging $0.06 per hour across 2 offers. RTX 4090 begins at $0.16 per hour, averaging $0.46 per hour with 111 offers. Price reflects performance gap.

What are the TDP ratings?

RTX 3060 Ti consumes 170W TDP. RTX 4090 requires 450W. Cloud providers manage higher power for RTX 4090's capabilities.

Is RTX 4090 better for machine learning?

RTX 4090 excels with 165 TFLOPS FP16, 24 GB VRAM, and 1008 GB/s bandwidth. RTX 3060 Ti's 12.7 TFLOPS and 12 GB suit lighter tasks. Choice depends on workload scale.

What architectures do they use?

RTX 3060 Ti uses Ampere from 2021. RTX 4090 employs Ada Lovelace from 2022. Newer design yields FP8 at 660 TFLOPS on RTX 4090.

Which is cheaper to rent, the RTX 3060 or the RTX 4090?

Cloud rental prices for both the RTX 3060 and RTX 4090 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 4090?

The RTX 3060 has 12 GB of GDDR6 memory. The RTX 4090 has 24 GB of GDDR6X memory.

Can I find RTX 3060 and RTX 4090 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 4090?

The RTX 3060 uses the Ampere architecture (2021) while the RTX 4090 uses Ada Lovelace (2022). The RTX 4090 delivers 13.0x the FP16 throughput and 2.8x the memory bandwidth of the RTX 3060.

RTX 3060 Ti vs RTX 4090: 13.0x FP16 Gap, 24GB vs 12GB | GPUPerHour