H100 NVL vs RTX A6000

HoppervsAmpereUpdated 35 days ago

The H100 NVL emerges as the superior choice for prevalent AI and machine learning workloads. Its 1979 TFLOPS FP16, 3350 GB/s bandwidth, and 80 to 94 GB VRAM deliver unmatched throughput for training and inference, outweighing the RTX A6000 despite higher $1.40 per hour pricing.

H100 NVL from $1.90/hrRTX A6000 from $0.40/hr

Specifications Compared

SpecH100RTX-A6000
TDP700W300W
VRAM80-94 GB48 GB
CUDA Cores16,89610,752
Memory TypeHBM3GDDR6
ArchitectureHopperAmpere
Form FactorsSXM5, PCIe, NVLPCIe
InterconnectNVLink, PCIe 5.0, InfiniBandNVLink
Tensor Cores528336
FP8 Performance3,958 TFLOPS
FP16 Performance1,979 TFLOPS38.7 TFLOPS
FP32 Performance67 TFLOPS38.7 TFLOPS
FP64 Performance34 TFLOPS0.6 TFLOPS
INT8 Performance3,958 TOPS
Memory Bandwidth3,350 GB/s768 GB/s

Performance Analysis

Superior FP16 performance on the H100 NVL, at 1979 TFLOPS versus 38.7 TFLOPS on the RTX A6000, accelerates neural network training where half-precision computations dominate. The H100 NVL's FP32 rate of 67 TFLOPS edges out the RTX A6000's 38.7 TFLOPS, benefiting simulations requiring single-precision arithmetic. FP8 capability at 3958 TFLOPS on the H100 NVL optimizes large language model inference, a feature absent or limited on the RTX A6000.

Higher memory bandwidth of 3350 GB/s on the H100 NVL supports larger batch sizes in training, reducing overhead compared to the RTX A6000's 768 GB/s. The 80 to 94 GB HBM3 VRAM versus 48 GB GDDR6 allows the H100 NVL to load extensive datasets without swapping, enhancing throughput in memory-bound scenarios. These specs translate to faster convergence in deep learning and efficient handling of high-resolution generative tasks on the H100 NVL.

Live Cloud Pricing

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

H100 NVL

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Hyperstack
Hyperstack
4×NVIDIA H100 PCIe
80GB VRAM
$1.90/GPU/hr
$7.60/hr total (4×)
Available
Hyperstack
Hyperstack
2×NVIDIA H100 PCIe
80GB VRAM
$1.90/GPU/hr
$3.80/hr total (2×)
Available
Hyperstack
Hyperstack
8×NVIDIA H100 PCIe
80GB VRAM
$1.90/GPU/hr
$15.20/hr total (8×)
Available
Hyperstack
Hyperstack
NVIDIA H100 PCIe
80GB VRAM
$1.90/GPU/hr
Available
Voltage Park
Voltage Park
8×NVIDIA H100 SXM5
80GB VRAM
$1.99/GPU/hr
$15.92/hr total (8×)

RTX A6000

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA RTX A6000
48GB VRAM
$0.40/GPU/hr
Available
RunPod
RunPod
NVIDIA RTX A6000
48GB VRAM
$0.49/GPU/hr
Hyperstack
Hyperstack
NVIDIA RTX A6000
48GB VRAM
$0.50/GPU/hr
Available
Hyperstack
Hyperstack
2×NVIDIA RTX A6000
48GB VRAM
$0.50/GPU/hr
$1.00/hr total (2×)
Available
Massed Compute
Massed Compute
NVIDIA RTX A6000
48GB VRAM
$0.55/GPU/hr
Available

Compare real-time pricing across 25+ providers

When to Choose the H100 NVL

Opt for the H100 NVL in large-scale AI training or inference where peak performance justifies cost. Its 1979 TFLOPS FP16 and 80 to 94 GB VRAM excel in processing models exceeding 70 billion parameters, such as GPT-scale LLMs. Data centers leveraging NVLink and PCIe 5.0 interconnects benefit from its 700W TDP in multi-GPU clusters for distributed computing.

When to Choose the RTX A6000

Select the RTX A6000 for budget-conscious professional workflows or smaller-scale inference. At $0.17 per hour starting price, it handles 48 GB models efficiently with 38.7 TFLOPS FP16, suiting fine-tuning or visualization. Its 300W TDP and PCIe form factor fit edge deployments or single-node setups without extensive cooling.

Use Cases

LLM Training
H100 NVL

The H100 NVL's 1979 TFLOPS FP16 and 80-94 GB VRAM manage massive datasets and parameters infeasible on the RTX A6000's 48 GB and 38.7 TFLOPS.

LLM Inference
H100 NVL

FP8 performance at 3958 TFLOPS and 3350 GB/s bandwidth on the H100 NVL enable high-throughput serving of large models. The RTX A6000 lacks comparable FP8 support.

Fine-tuning
H100 NVL

67 TFLOPS FP32 and extensive VRAM on the H100 NVL speed up iterative tuning of billion-parameter models. RTX A6000 suffices for smaller scopes but limits scale.

Stable Diffusion
RTX A6000

RTX A6000's 38.7 TFLOPS FP16 and $0.17 per hour pricing handle image generation efficiently for most users. H100 NVL overkill unless batching thousands of inferences.

Scientific Computing
H100 NVL

H100 NVL's 3350 GB/s bandwidth and Hopper features optimize simulations with large matrices. RTX A6000's lower specs constrain complex HPC workloads.

Frequently Asked Questions

Which GPU has higher FP16 performance?

The H100 NVL achieves 1979 TFLOPS in FP16. The RTX A6000 reaches 38.7 TFLOPS. This gap favors H100 NVL for AI training.

What is the VRAM difference between H100 NVL and RTX A6000?

H100 NVL offers 80-94 GB HBM3 VRAM. RTX A6000 provides 48 GB GDDR6. Larger capacity on H100 NVL supports bigger models.

How do cloud prices compare?

H100 NVL starts at $1.40 per hour, averaging $2.89 per hour over nine offers. RTX A6000 begins at $0.17 per hour, averaging $1.02 per hour across 62 offers.

Which has greater memory bandwidth?

H100 NVL delivers 3350 GB/s. RTX A6000 provides 768 GB/s. Higher bandwidth on H100 NVL boosts data-heavy tasks.

What are the TDP ratings?

H100 NVL consumes 700W. RTX A6000 uses 300W. Lower TDP on RTX A6000 suits power-sensitive environments.

Can RTX A6000 use NVLink?

RTX A6000 supports NVLink for multi-GPU setups. H100 NVL employs NVLink alongside PCIe 5.0 and InfiniBand for advanced clustering.

Which is cheaper to rent, the H100 or the RTX A6000?

Cloud rental prices for both the H100 and RTX A6000 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 H100 have compared to the RTX A6000?

The H100 has 80 to 94 GB of HBM3 memory. The RTX A6000 has 48 GB of GDDR6 memory.

Can I find H100 and RTX A6000 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 H100 and the RTX A6000?

The H100 uses the Hopper architecture (2022) while the RTX A6000 uses Ampere (2020). The H100 delivers 51.1x the FP16 throughput and 4.4x the memory bandwidth of the RTX A6000.

H100 NVL vs RTX A6000: 51.1x FP16 Gap, 94GB vs 48GB | GPUPerHour