Specifications Compared
| Spec | H200 | RTX-A4000 |
|---|---|---|
| TDP | 700W | 140W |
| VRAM | 141 GB | 16 GB |
| CUDA Cores | 16,896 | 6,144 |
| Memory Type | HBM3e | GDDR6 |
| Architecture | Hopper | Ampere |
| Form Factors | SXM, NVL | PCIe |
| Interconnect | NVLink, PCIe 5.0, InfiniBand | |
| Tensor Cores | 528 | 192 |
| FP8 Performance | 3,958 TFLOPS | |
| FP16 Performance | 1,979 TFLOPS | 19.2 TFLOPS |
| FP32 Performance | 67 TFLOPS | 19.2 TFLOPS |
| FP64 Performance | 34 TFLOPS | |
| INT8 Performance | 3,958 TOPS | |
| Memory Bandwidth | 4,800 GB/s | 448 GB/s |
Performance Analysis
The H200 NVL dominates in compute-intensive tasks due to its 1979 TFLOPS FP16 versus the A4000's 19.2 TFLOPS, enabling over 100 times faster matrix operations critical for deep learning. This FP16 advantage accelerates neural network training and inference, where the H200 NVL's FP32 at 67 TFLOPS still surpasses the A4000's balanced 19.2 TFLOPS. The A4000's equal FP16 and FP32 suits general-purpose rendering, but lacks the H200 NVL's FP8 at 3958 TFLOPS for ultra-efficient quantized inference. Memory specs amplify this: 141 GB HBM3e on the H200 NVL supports massive batch sizes for models exceeding 100 billion parameters, while 16 GB GDDR6 on the A4000 limits to smaller datasets, risking out-of-memory errors in large trainings. Bandwidth disparity is stark: 4800 GB/s versus 448 GB/s allows the H200 NVL to process data 10 times faster, reducing latency in iterative workloads like fine-tuning. Power draw reflects scale: 700W TDP for H200 NVL versus 140W for A4000, demanding robust cooling in clusters.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
H200 NVL
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
Vultr | NVIDIA GH200 Grace Hopper 96GB VRAM | 96GB | 72 vCPU 480GB RAM 960GB Storage | Atlanta | $1.99/GPU/hr | Available | ||
![]() Lambda Labs | NVIDIA GH200 Grace Hopper 96GB VRAM | 96GB | 64 vCPU 432GB RAM 4096GB Storage | Virginia | $2.29/GPU/hr | Available | ||
Nebius | NVIDIA H200 SXM 141GB VRAM | 141GB | 16 vCPU 200GB RAM | 🌍Europe | $2.45/GPU/hr | |||
![]() CoreWeave | 8×NVIDIA H200 SXM 141GB VRAM | 141GB | 128 vCPU 0GB RAM 61440GB Storage | United States | $2.58/GPU/hr $20.64/hr total (8×) | |||
![]() Ori | 4×NVIDIA H200 SXM 141GB VRAM | 141GB | 96 vCPU 960GB RAM 12000GB Storage | London | $3.50/GPU/hr $14.00/hr total (4×) | Available |
RTX A4000
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() TensorDock | NVIDIA RTX A4000 16GB VRAM | 16GB | 0 vCPU 0GB RAM | Tallinn, Harjumaa | $0.08/GPU/hr | Available | ||
![]() TensorDock | NVIDIA RTX A4000 16GB VRAM | 16GB | 0 vCPU 0GB RAM | Tallinn, Harjumaa | $0.10/GPU/hr | Available | ||
![]() TensorDock | NVIDIA RTX A4000 16GB VRAM | 16GB | 0 vCPU 0GB RAM | Southfield, Michigan | $0.11/GPU/hr | Available | ||
![]() Vast.ai | 8×NVIDIA RTX A4000 16GB VRAM | 16GB | 80 vCPU 201GB RAM 1698GB Storage | United Kingdom | $0.15/GPU/hr $1.17/hr total (8×) | Available | ||
![]() Hyperstack | 2×NVIDIA RTX A4000 16GB VRAM | 16GB | 8 vCPU 43GB RAM 200GB Storage | Norway | $0.15/GPU/hr $0.30/hr total (2×) | Available |
When to Choose the H200 NVL
Select the H200 NVL for large-scale LLM training or inference where 141 GB VRAM handles models up to hundreds of billions of parameters without sharding. Its 4800 GB/s bandwidth and 1979 TFLOPS FP16 deliver throughput for enterprise AI pipelines, justifying $0.50 to $2.54 per hour in NVLink-enabled clusters.
When to Choose the RTX A4000
Choose the RTX A4000 for cost-sensitive workstations running Stable Diffusion or CAD rendering, where 16 GB VRAM and 19.2 TFLOPS suffice for single-user tasks. At $0.08 to $0.37 per hour with 140W TDP, it offers accessibility for prototyping without data center overhead.
Use Cases
The H200 NVL's 141 GB HBM3e VRAM and 1979 TFLOPS FP16 support training massive LLMs that exceed the RTX A4000's 16 GB GDDR6 capacity. Its 4800 GB/s bandwidth sustains large batch sizes for efficient convergence.
H200 NVL's 3958 TFLOPS FP8 and 141 GB VRAM enable high-throughput quantized serving for production-scale queries. RTX A4000's 19.2 TFLOPS limits it to low-volume inference.
With 67 TFLOPS FP32 and vast memory, H200 NVL handles parameter-efficient fine-tuning on huge datasets. A4000's 16 GB restricts to smaller models.
RTX A4000's 19.2 TFLOPS FP16 and 16 GB VRAM suffice for real-time image generation at workstation scale. H200 NVL's power is excessive for single-instance diffusion.
H200 NVL's 4800 GB/s bandwidth and NVLink accelerate simulations with massive datasets. RTX A4000's 448 GB/s falls short for HPC-scale computations.
Frequently Asked Questions
How much VRAM does the H200 NVL have compared to RTX A4000?▾
The H200 NVL features 141 GB HBM3e VRAM, compared to the RTX A4000's 16 GB GDDR6. This enables the H200 NVL to load enormous AI models without swapping.
What is the FP16 performance difference between H200 NVL and RTX A4000?▾
H200 NVL delivers 1979 TFLOPS FP16, over 100 times the RTX A4000's 19.2 TFLOPS. This gap accelerates deep learning training significantly.
Which GPU has higher memory bandwidth?▾
H200 NVL provides 4800 GB/s, about 10 times the RTX A4000's 448 GB/s. Higher bandwidth reduces bottlenecks in data-heavy workloads.
What are the cloud prices for these GPUs?▾
H200 NVL starts at $0.50 per hour averaging $2.54 per hour across four offers; RTX A4000 from $0.08 per hour averaging $0.37 per hour over 28 offers. Pricing aligns with performance tiers.
Is RTX A4000 more power efficient than H200 NVL?▾
RTX A4000 consumes 140W TDP versus H200 NVL's 700W. It suits low-power edge deployments, while H200 NVL demands data center infrastructure.
Can RTX A4000 handle LLM inference like H200 NVL?▾
RTX A4000's 16 GB VRAM limits it to small LLMs, unlike H200 NVL's 141 GB for large-scale serving. H200 NVL's 3958 TFLOPS FP8 boosts quantized inference speed.
Which is cheaper to rent, the H200 or the RTX A4000?▾
Cloud rental prices for both the H200 and RTX A4000 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 H200 have compared to the RTX A4000?▾
The H200 has 141 GB of HBM3e memory. The RTX A4000 has 16 GB of GDDR6 memory.
Can I find H200 and RTX A4000 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 H200 and the RTX A4000?▾
The H200 uses the Hopper architecture (2024) while the RTX A4000 uses Ampere (2021). The H200 delivers 103.1x the FP16 throughput and 10.7x the memory bandwidth of the RTX A4000.





