Specifications Compared
| Spec | RTX-4090 | V100 |
|---|---|---|
| TDP | 450W | 300W |
| VRAM | 24 GB | 16-32 GB |
| CUDA Cores | 16,384 | 5,120 |
| Memory Type | GDDR6X | HBM2 |
| Architecture | Ada Lovelace | Volta |
| Form Factors | PCIe | SXM2, PCIe |
| Interconnect | PCIe 4.0 | NVLink, PCIe 3.0 |
| Tensor Cores | 512 | 640 |
| FP8 Performance | 660 TFLOPS | |
| FP16 Performance | 165 TFLOPS | 125 TFLOPS |
| FP32 Performance | 82.6 TFLOPS | 15.7 TFLOPS |
| FP64 Performance | 1.3 TFLOPS | 7.8 TFLOPS |
| INT8 Performance | 660 TOPS | |
| Memory Bandwidth | 1,008 GB/s | 900 GB/s |
Performance Analysis
The RTX 4090's FP32 performance of 82.6 TFLOPS vastly exceeds the V100's 15.7 TFLOPS, benefiting training workflows that rely on single-precision computations for gradient updates and model optimization. Its FP16 capability at 165 TFLOPS edges out the V100's 125 TFLOPS, enabling faster mixed-precision training in deep learning pipelines. The FP8 support at 660 TFLOPS on the RTX 4090 accelerates inference for quantized large language models.
Memory specifications influence practical throughput: the RTX 4090's 24 GB VRAM and 1008 GB/s bandwidth support larger batch sizes than the V100's 16 GB and 900 GB/s, reducing data loading bottlenecks in memory-intensive tasks like image generation or scientific simulations. This allows the RTX 4090 to handle bigger models without excessive swapping.
Power and interconnects affect deployment: the RTX 4090's 450W TDP demands robust cooling, but its PCIe 4.0 simplifies integration versus the V100's NVLink and PCIe 3.0, which excel in multi-GPU scaling for older clusters.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
RTX 4090
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() TensorDock | NVIDIA GeForce RTX 4090 24GB VRAM | 24GB | 0 vCPU 0GB RAM | Chubbuck, Idaho | $0.39/GPU/hr | Available | ||
![]() TensorDock | NVIDIA GeForce RTX 4090 24GB VRAM | 24GB | 0 vCPU 0GB RAM | Orlando, Florida | $0.48/GPU/hr | Available | ||
![]() Vast.ai | 4×NVIDIA GeForce RTX 4090 24GB VRAM | 24GB | 96 vCPU 472GB RAM 3034GB Storage | Sweden | $0.53/GPU/hr $2.13/hr total (4×) | Available | ||
![]() Vast.ai | 2×NVIDIA GeForce RTX 4090 24GB VRAM | 24GB | 256 vCPU 126GB RAM 224GB Storage | United Kingdom | $0.67/GPU/hr $1.33/hr total (2×) | Available | ||
![]() Vast.ai | NVIDIA GeForce RTX 4090 24GB VRAM | 24GB | 80 vCPU 50GB RAM 265GB Storage | United Kingdom | $0.67/GPU/hr | Available |
Tesla V100 16GB
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() TensorDock | NVIDIA Tesla V100 16GB 16GB VRAM | 16GB | 0 vCPU 0GB RAM | Texas | $0.19/GPU/hr | Available | ||
![]() TensorDock | NVIDIA Tesla V100 16GB 16GB VRAM | 16GB | 0 vCPU 0GB RAM | New York City | $0.19/GPU/hr | Available | ||
![]() TensorDock | NVIDIA Tesla V100 32GB 32GB VRAM | 32GB | 0 vCPU 0GB RAM | Texas | $0.29/GPU/hr | Available | ||
![]() TensorDock | NVIDIA Tesla V100 32GB 32GB VRAM | 32GB | 0 vCPU 0GB RAM | New York City | $0.29/GPU/hr | Available | ||
![]() Lambda Labs | 8×NVIDIA Tesla V100 16GB 16GB VRAM | 16GB | 88 vCPU 448GB RAM 6041GB Storage | Texas | $0.79/GPU/hr $6.32/hr total (8×) | Available |
When to Choose the RTX 4090
The RTX 4090 suits modern machine learning pipelines requiring high throughput. Its 82.6 TFLOPS FP32 and 165 TFLOPS FP16 outperform the V100, ideal for training large models or Stable Diffusion inference. With 24 GB VRAM at $0.45 per hour average, it handles demanding workloads cost-effectively.
Users benefit from FP8 at 660 TFLOPS for efficient LLM inference and PCIe 4.0 for straightforward cloud scaling.
When to Choose the Tesla V100 16GB
The V100 fits legacy applications optimized for Volta architecture. Its NVLink interconnect enables tight multi-GPU communication at speeds superior to PCIe 3.0 alone, suiting established HPC clusters.
At 300W TDP and $0.10 per hour starting price, it serves power-sensitive or budget-entry setups running older CUDA codebases incompatible with Ada Lovelace.
Use Cases
The RTX 4090's 82.6 TFLOPS FP32 and 165 TFLOPS FP16 enable faster training cycles than the V100's 15.7 TFLOPS FP32 and 125 TFLOPS FP16. Its 24 GB VRAM supports larger models without fragmentation.
FP8 performance at 660 TFLOPS on the RTX 4090 accelerates quantized inference far beyond the V100's capabilities. Higher memory bandwidth of 1008 GB/s handles high-concurrency requests efficiently.
Superior FP16 at 165 TFLOPS and 24 GB VRAM allow the RTX 4090 to fine-tune larger parameter sets with bigger batches than the V100's 16 GB and 125 TFLOPS.
The RTX 4090's 1008 GB/s bandwidth and 24 GB VRAM process high-resolution generations quicker than the V100's 900 GB/s and 16 GB limits.
V100's NVLink suits multi-GPU simulations optimized for Volta, while RTX 4090's higher 82.6 TFLOPS FP32 excels in single-GPU compute-intensive tasks.
Frequently Asked Questions
Which GPU has more VRAM: RTX 4090 or V100 16GB?▾
The RTX 4090 provides 24 GB GDDR6X VRAM, exceeding the V100 16GB's 16 GB HBM2. This enables larger models and batch sizes on the RTX 4090.
How do FP32 performances compare between RTX 4090 and V100?▾
RTX 4090 delivers 82.6 TFLOPS FP32, over five times the V100's 15.7 TFLOPS. This gap favors the RTX 4090 for precision-sensitive training tasks.
What are the cloud pricing differences for these GPUs?▾
RTX 4090 starts at $0.16 per hour averaging $0.45 per hour across 116 offers, while V100 16GB starts at $0.10 per hour but averages $0.82 per hour across 26 offers. RTX 4090 often provides better value for performance.
Does the V100 support NVLink, and how does it compare to RTX 4090 interconnect?▾
V100 uses NVLink or PCIe 3.0 for multi-GPU setups, offering higher bandwidth than the RTX 4090's PCIe 4.0. NVLink benefits legacy scaling scenarios.
Which has higher memory bandwidth?▾
RTX 4090 achieves 1008 GB/s, slightly above V100's 900 GB/s. This aids the RTX 4090 in memory-bound workloads like large-batch training.
What are the TDP ratings?▾
RTX 4090 requires 450W TDP, higher than V100's 300W. V100 suits lower-power environments, while RTX 4090 demands stronger infrastructure.
Which is cheaper to rent, the RTX 4090 or the V100?▾
Cloud rental prices for both the RTX 4090 and V100 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 4090 have compared to the V100?▾
The RTX 4090 has 24 GB of GDDR6X memory. The V100 has 16 to 32 GB of HBM2 memory.
Can I find RTX 4090 and V100 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 4090 and the V100?▾
The RTX 4090 uses the Ada Lovelace architecture (2022) while the V100 uses Volta (2017). The RTX 4090 delivers 1.3x the FP16 throughput and 1.1x the memory bandwidth of the V100.


