H200 NVL vs RTX A4000

HoppervsAmpereUpdated 35 days ago

The H200 NVL emerges as the clear winner for prevalent cloud AI workloads like model training and inference. Its 141 GB VRAM, 1979 TFLOPS FP16, and 4800 GB/s bandwidth enable feats impossible on the RTX A4000's 16 GB and 19.2 TFLOPS, despite higher pricing.

H200 NVL from $1.99/hrRTX A4000 from $0.08/hr

Specifications Compared

SpecH200RTX-A4000
TDP700W140W
VRAM141 GB16 GB
CUDA Cores16,8966,144
Memory TypeHBM3eGDDR6
ArchitectureHopperAmpere
Form FactorsSXM, NVLPCIe
InterconnectNVLink, PCIe 5.0, InfiniBand
Tensor Cores528192
FP8 Performance3,958 TFLOPS
FP16 Performance1,979 TFLOPS19.2 TFLOPS
FP32 Performance67 TFLOPS19.2 TFLOPS
FP64 Performance34 TFLOPS
INT8 Performance3,958 TOPS
Memory Bandwidth4,800 GB/s448 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

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vultr
Vultr
NVIDIA GH200 Grace Hopper
96GB VRAM
$1.99/GPU/hr
Available
Lambda Labs
Lambda Labs
NVIDIA GH200 Grace Hopper
96GB VRAM
$2.29/GPU/hr
Available
Nebius
Nebius
NVIDIA H200 SXM
141GB VRAM
$2.45/GPU/hr
CoreWeave
CoreWeave
8×NVIDIA H200 SXM
141GB VRAM
$2.58/GPU/hr
$20.64/hr total (8×)
Ori
Ori
4×NVIDIA H200 SXM
141GB VRAM
$3.50/GPU/hr
$14.00/hr total (4×)
Available

RTX A4000

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA RTX A4000
16GB VRAM
$0.08/GPU/hr
Available
TensorDock
TensorDock
NVIDIA RTX A4000
16GB VRAM
$0.10/GPU/hr
Available
TensorDock
TensorDock
NVIDIA RTX A4000
16GB VRAM
$0.11/GPU/hr
Available
Vast.ai
Vast.ai
8×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$1.17/hr total (8×)
Available
Hyperstack
Hyperstack
2×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$0.30/hr total (2×)
Available

Compare real-time pricing across 25+ providers

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

LLM Training
H200 NVL

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.

LLM Inference
H200 NVL

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.

Fine-tuning
H200 NVL

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.

Stable Diffusion
RTX A4000

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.

Scientific Computing
H200 NVL

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.

H200 NVL vs RTX A4000: 103.1x FP16 Gap, 141GB vs 16GB | GPUPerHour