RTX 3090 Ti vs RTX PRO 6000 Blackwell

AmperevsBlackwellUpdated 35 days ago

The RTX PRO 6000 Blackwell wins for most AI and machine learning use cases due to 96 GB VRAM, 125 TFLOPS FP16/FP32, and 2000 TFLOPS FP8, enabling larger models and faster training than the RTX 3090 Ti's 24 GB and 35.6 TFLOPS despite higher $1.25 average hourly cost.

RTX 3090 Ti from $0.20/hr

Specifications Compared

SpecRTX-3090RTX-PRO-6000-BLACKWELL
TDP350W400W
VRAM24 GB96 GB
CUDA Cores10,49621,760
Memory TypeGDDR6XGDDR7
ArchitectureAmpereBlackwell
Form FactorsPCIePCIe
InterconnectNVLinkNVLink
Tensor Cores328680
FP16 Performance35.6 TFLOPS125 TFLOPS
FP32 Performance35.6 TFLOPS125 TFLOPS
Memory Bandwidth936 GB/s1,792 GB/s

Performance Analysis

Compute performance favors the RTX PRO 6000 Blackwell decisively: its 125 TFLOPS in FP16 and FP32 dwarfs the RTX 3090 Ti's 35.6 TFLOPS, speeding up neural network training by over 3.5 times in mixed-precision workflows. FP16 and FP32 parity on both enables balanced training and inference without precision bottlenecks, but the PRO 6000's FP8 support at 2000 TFLOPS optimizes low-latency inference for deployed models.

Memory specifications transform real-world usage: 96 GB VRAM versus 24 GB accommodates massive language models without sharding, and 1792 GB/s bandwidth doubles the 936 GB/s of the 3090 Ti to sustain larger batch sizes during training. This reduces epochs needed for convergence in data-heavy tasks. Higher TDP of 400W versus 350W indicates greater power efficiency per TFLOP on the newer GPU.

Live Cloud Pricing

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

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 3090 Ti

The RTX 3090 Ti fits scenarios with tight budgets or modest model sizes under 24 GB VRAM. It handles Stable Diffusion image generation or fine-tuning smaller transformers efficiently at $0.10 per hour starting rates, where 35.6 TFLOPS and 936 GB/s bandwidth meet needs without excess cost.

When to Choose the RTX PRO 6000 Blackwell

Opt for the RTX PRO 6000 Blackwell when scaling to large LLMs or high-throughput inference demands 96 GB VRAM and 125 TFLOPS. Its 1792 GB/s bandwidth supports massive batches in training, justifying $0.59 per hour for production workloads.

Use Cases

LLM Training
RTX PRO 6000 Blackwell

RTX PRO 6000's 96 GB VRAM and 125 TFLOPS FP16 handle billion-parameter models with large batches, unlike RTX 3090 Ti's 24 GB limit.

LLM Inference
RTX PRO 6000 Blackwell

2000 TFLOPS FP8 and 1792 GB/s bandwidth enable high-throughput serving; RTX 3090 Ti's 35.6 TFLOPS falls short for scale.

Fine-tuning
Either

RTX 3090 Ti suffices for models under 24 GB at low cost; RTX PRO 6000 accelerates larger ones with 96 GB VRAM.

Stable Diffusion
RTX 3090 Ti

RTX 3090 Ti's 24 GB GDDR6X and 35.6 TFLOPS generate images efficiently at $0.25/hr average, matching typical needs.

Scientific Computing
RTX PRO 6000 Blackwell

125 TFLOPS FP32 and NVLink suit simulations; 96 GB VRAM exceeds RTX 3090 Ti's capacity for complex datasets.

Frequently Asked Questions

Which GPU has more VRAM?

The RTX PRO 6000 Blackwell offers 96 GB GDDR7 VRAM. The RTX 3090 Ti provides 24 GB GDDR6X. This quadruples capacity for large models.

What are the TFLOPS ratings?

RTX PRO 6000 achieves 125 TFLOPS FP16/FP32 and 2000 TFLOPS FP8. RTX 3090 Ti delivers 35.6 TFLOPS FP16/FP32. Performance scales over 3.5 times higher.

How do memory bandwidths compare?

RTX PRO 6000 bandwidth reaches 1792 GB/s. RTX 3090 Ti offers 936 GB/s. Higher bandwidth supports bigger batches.

What are the cloud rental prices?

RTX 3090 Ti starts at $0.10/hr, averaging $0.25 across five offers. RTX PRO 6000 begins at $0.59/hr, averaging $1.25. Budget drives choice.

Which has higher TDP?

RTX PRO 6000 TDP is 400W. RTX 3090 Ti uses 350W. Newer architecture improves efficiency per watt.

Do both support NVLink?

Yes, both GPUs feature NVLink interconnects. This enables multi-GPU scaling in PCIe form factors for distributed training.

Which is cheaper to rent, the RTX 3090 or the RTX PRO 6000?

Cloud rental prices for both the RTX 3090 and RTX PRO 6000 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 3090 have compared to the RTX PRO 6000?

The RTX 3090 has 24 GB of GDDR6X memory. The RTX PRO 6000 has 96 GB of GDDR7 memory.

Can I find RTX 3090 and RTX PRO 6000 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 3090 and the RTX PRO 6000?

The RTX 3090 uses the Ampere architecture (2020) while the RTX PRO 6000 uses Blackwell (2025). The RTX PRO 6000 delivers 3.5x the FP16 throughput and 1.9x the memory bandwidth of the RTX 3090.

RTX 3090 Ti vs RTX PRO 6000 Blackwell: 24GB vs 96GB | GPUPerHour