Specifications Compared
| Spec | RTX-3090 | RTX-A5000 |
|---|---|---|
| TDP | 350W | 230W |
| VRAM | 24 GB | 24 GB |
| CUDA Cores | 10,496 | 8,192 |
| Memory Type | GDDR6X | GDDR6 |
| Architecture | Ampere | Ampere |
| Form Factors | PCIe | PCIe |
| Interconnect | NVLink | NVLink |
| Tensor Cores | 328 | 256 |
| FP16 Performance | 35.6 TFLOPS | 27.8 TFLOPS |
| FP32 Performance | 35.6 TFLOPS | 27.8 TFLOPS |
| Memory Bandwidth | 936 GB/s | 768 GB/s |
Performance Analysis
Superior compute defines the RTX 3090 Ti: 35.6 TFLOPS FP16 and FP32 performance exceeds the RTX A5000's 27.8 TFLOPS, enabling 28 percent faster matrix multiplications critical for neural network training and inference. This gap accelerates deep learning workflows, reducing epoch times in large-scale models.
Memory bandwidth impacts data throughput directly: 936 GB/s on the RTX 3090 Ti supports larger batch sizes than the RTX A5000's 768 GB/s, minimizing bottlenecks in memory-bound operations like gradient accumulation during training. Higher bandwidth proves essential for Stable Diffusion or scientific simulations handling high-resolution datasets.
Power efficiency tilts toward the RTX A5000 with 230W TDP versus 350W, allowing denser multi-GPU configurations without excessive cooling. Both share NVLink for scaling, but the RTX 3090 Ti's specs favor single-GPU peak performance in bandwidth-sensitive inference.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
RTX 3090 Ti
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 TensorDock | NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 0 vCPU 0GB RAM | Wilmington, Delaware | $0.20/GPU/hr | Available | ||
TensorDock | NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 0 vCPU 0GB RAM | Dallas, Texas | $0.21/GPU/hr | Available | ||
 Vast.ai | 4×NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 32 vCPU 403GB RAM 104GB Storage | Iceland | $0.25/GPU/hr $1.01/hr total (4×) | Available | ||
Vast.ai | 4×NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 32 vCPU 252GB RAM 1217GB Storage | Finland | $0.27/GPU/hr $1.07/hr total (4×) | Available | ||
 LeaderGPU | 8×NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 64 vCPU 384GB RAM 2000GB Storage | Netherlands | $0.29/GPU/hr $2.29/hr total (8×) | Available |
RTX A5000
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
Vast.ai | 4×NVIDIA RTX A5000 24GB VRAM | 24GB | 64 vCPU 224GB RAM 2256GB Storage | Romania | $0.23/GPU/hr $0.92/hr total (4×) | Available | ||
Vast.ai | NVIDIA RTX A5000 24GB VRAM | 24GB | 32 vCPU 101GB RAM 101GB Storage | Iceland | $0.24/GPU/hr | Available | ||
 RunPod | NVIDIA RTX A5000 24GB VRAM | 24GB | 9 vCPU 25GB RAM | 🌍global | $0.27/GPU/hr | |||
 Cirrascale | 8×NVIDIA RTX A5000 24GB VRAM | 24GB | 40 vCPU 256GB RAM 2610GB Storage | United States | $0.41/GPU/hr $3.28/hr total (8×) | |||
Cirrascale | 8×NVIDIA RTX A5000 24GB VRAM | 24GB | 40 vCPU 256GB RAM 2610GB Storage | United States | $0.46/GPU/hr $3.68/hr total (8×) |
When to Choose the RTX 3090 Ti
The RTX 3090 Ti stands out for maximum throughput needs. Its 35.6 TFLOPS FP16/FP32 and 936 GB/s bandwidth excel in LLM training or Stable Diffusion, processing 24 GB models at higher speeds than the A5000's 27.8 TFLOPS and 768 GB/s. Average cloud pricing of $0.25 per hour delivers superior value over the A5000's $0.41 per hour.
High-performance single-node tasks benefit from the RTX 3090 Ti's edge despite 350W TDP.
When to Choose the RTX A5000
The RTX A5000 fits power-sensitive environments with 230W TDP compared to 350W. Greater availability across 36 cloud offers starting at $0.02 per hour supports reliable scaling for inference farms or fine-tuning pipelines. Professional drivers enhance stability in scientific computing or enterprise simulations leveraging 24 GB VRAM.
Use Cases
RTX 3090 Ti's 35.6 TFLOPS FP16 and 936 GB/s bandwidth manage larger batches for LLMs better than A5000's 27.8 TFLOPS and 768 GB/s.
Higher 35.6 TFLOPS FP32 on RTX 3090 Ti speeds up inference requests compared to 27.8 TFLOPS on A5000, with 936 GB/s aiding high-throughput serving.
Both provide 24 GB VRAM for fine-tuning large models; RTX 3090 Ti offers faster 35.6 TFLOPS while A5000's 230W TDP suits prolonged sessions.
RTX 3090 Ti's 936 GB/s bandwidth accelerates image generation pipelines over A5000's 768 GB/s, leveraging 24 GB GDDR6X for high-resolution outputs.
RTX A5000's lower 230W TDP and 36 cloud offers enable scalable clusters; 27.8 TFLOPS suffices for simulations with professional optimizations.
Frequently Asked Questions
Which GPU has higher performance: RTX 3090 Ti or RTX A5000?▾
The RTX 3090 Ti leads with 35.6 TFLOPS in FP16 and FP32 versus the RTX A5000's 27.8 TFLOPS. This 28 percent advantage boosts training and inference speeds. Both share 24 GB VRAM.
What are the memory bandwidth differences?▾
RTX 3090 Ti delivers 936 GB/s with GDDR6X, exceeding RTX A5000's 768 GB/s GDDR6. Higher bandwidth supports larger batches in AI workloads. This impacts data-heavy tasks significantly.
How do cloud prices compare?▾
RTX 3090 Ti starts at $0.10 per hour, averaging $0.25 per hour across 5 offers. RTX A5000 begins at $0.02 per hour, averaging $0.41 per hour over 36 offers. Availability favors the A5000.
What are the TDP ratings?▾
RTX 3090 Ti requires 350W TDP, while RTX A5000 uses 230W. Lower power on A5000 aids multi-GPU setups. Both support PCIe and NVLink.
Do they have the same VRAM?▾
Yes, both offer 24 GB VRAM, ideal for large models. RTX 3090 Ti uses faster GDDR6X; A5000 uses GDDR6. This equality drives direct comparisons.
Which is newer?▾
RTX A5000 launched in 2021 under Ampere, post RTX 3090 Ti's 2020 debut. Both Ampere-based, sharing NVLink. Minor generational tweaks appear in release dates.
Which is cheaper to rent, the RTX 3090 or the RTX A5000?▾
Cloud rental prices for both the RTX 3090 and RTX A5000 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 A5000?▾
The RTX 3090 has 24 GB of GDDR6X memory. The RTX A5000 has 24 GB of GDDR6 memory.
Can I find RTX 3090 and RTX A5000 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 A5000?▾
The RTX 3090 uses the Ampere architecture (2020) while the RTX A5000 uses Ampere (2021). The RTX 3090 delivers 1.3x the FP16 throughput and 1.2x the memory bandwidth of the RTX A5000.