A100 SXM4 80GB vs H200 NVL

AmperevsHopperUpdated 35 days ago

The H200 NVL emerges as the superior choice for most contemporary AI workloads, including LLM training and inference. Its 141 GB VRAM and 4800 GB/s bandwidth handle larger models efficiently, with 1979 TFLOPS FP16 outpacing the A100's 312 TFLOPS. Higher costs reflect unmatched capabilities for memory-intensive tasks.

A100 SXM4 80GB from $0.73/hrH200 NVL from $1.99/hr

Specifications Compared

SpecA100H200
TDP400W700W
VRAM40-80 GB141 GB
CUDA Cores6,91216,896
Memory TypeHBM2eHBM3e
ArchitectureAmpereHopper
Form FactorsSXM4, PCIeSXM, NVL
InterconnectNVLink, PCIe 4.0, InfiniBandNVLink, PCIe 5.0, InfiniBand
Tensor Cores432528
FP16 Performance312 TFLOPS1,979 TFLOPS
FP32 Performance19.5 TFLOPS67 TFLOPS
FP64 Performance9.7 TFLOPS34 TFLOPS
INT8 Performance624 TOPS3,958 TOPS
Memory Bandwidth2,039 GB/s4,800 GB/s

Performance Analysis

Memory specifications dominate differences: the H200's 141 GB HBM3e exceeds the A100's 80 GB HBM2e, enabling larger models or batch sizes without swapping to host memory. Bandwidth surges from 2039 GB/s to 4800 GB/s on the H200, reducing bottlenecks in data-intensive tasks like LLM training, where memory access limits throughput.

Compute performance favors the H200 across precisions. FP16 jumps from 312 TFLOPS to 1979 TFLOPS, accelerating mixed-precision training common in deep learning. FP32 improves from 19.5 TFLOPS to 67 TFLOPS, benefiting simulations requiring full precision. The H200's FP8 at 3958 TFLOPS optimizes inference for quantized models, slashing latency.

Higher 700W TDP on the H200 demands robust cooling versus the A100's 400W, but PCIe 5.0 and enhanced NVLink justify it for multi-GPU scaling. In practice, these yield 4-6x effective speedups for memory-bound workloads.

Live Cloud Pricing

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

A100 SXM4 80GB

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$0.73/GPU/hr
Available
LeaderGPU
LeaderGPU
8×NVIDIA A100 PCIe 80GB
80GB VRAM
$0.90/GPU/hr
$7.20/hr total (8×)
Available
Vast.ai
Vast.ai
2×NVIDIA A100 SXM4 80GB
80GB VRAM
$1.00/GPU/hr
$2.00/hr total (2×)
Available
Denvr
Denvr
4×NVIDIA A100 PCIe 80GB
80GB VRAM
$1.15/GPU/hr
$4.60/hr total (4×)
Denvr
Denvr
8×NVIDIA A100 SXM4 80GB
80GB VRAM
$1.15/GPU/hr
$9.20/hr total (8×)

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

Compare real-time pricing across 25+ providers

When to Choose the A100 SXM4 80GB

The A100 SXM4 80GB suits budget-conscious deployments where 80 GB VRAM suffices for models under 70B parameters. Its lower pricing from $0.13/hr and average $1.35/hr across 24 offers provides better value than the H200's $0.50/hr start. Availability and 400W TDP make it ideal for standard datacenters without power upgrades.

Legacy Ampere-optimized code runs natively, avoiding Hopper migration costs.

When to Choose the H200 NVL

The H200 NVL excels in workloads exceeding 80 GB VRAM, such as training 100B+ parameter LLMs with the 141 GB HBM3e capacity. Superior 4800 GB/s bandwidth supports massive batch sizes, cutting training time via 1979 TFLOPS FP16.

FP8 at 3958 TFLOPS enables high-throughput inference for production-scale serving, justifying $2.39/hr average despite fewer offers.

Use Cases

LLM Training
H200 NVL

The H200's 141 GB VRAM and 4800 GB/s bandwidth accommodate larger models and batches compared to the A100's 80 GB and 2039 GB/s. This reduces training iterations and time.

LLM Inference
H200 NVL

FP8 performance at 3958 TFLOPS and FP16 at 1979 TFLOPS on the H200 enable quantized serving at high throughput. The A100's 312 TFLOPS FP16 limits scale for production.

Fine-tuning
H200 NVL

H200's memory capacity supports full-model fine-tuning without truncation, leveraging 67 TFLOPS FP32. A100's 80 GB constrains mid-sized model adaptations.

Stable Diffusion
Either

A100's 80 GB handles most diffusion pipelines at 312 TFLOPS FP16, with lower $1.35/hr average cost. H200 offers headroom for ultra-high resolutions via 141 GB.

Scientific Computing
A100 SXM4 80GB

A100's 19.5 TFLOPS FP32 and 400W TDP fit precision-heavy simulations cost-effectively at $0.13/hr from. H200's advantages overkill for non-memory-bound tasks.

Frequently Asked Questions

What is the VRAM difference between A100 SXM4 80GB and H200 NVL?

The A100 provides 80 GB HBM2e, while the H200 offers 141 GB HBM3e. This nearly doubles capacity for large models. Bandwidth rises from 2039 GB/s to 4800 GB/s.

Which GPU has higher FP16 performance?

The H200 achieves 1979 TFLOPS FP16 versus the A100's 312 TFLOPS. This accelerates AI training significantly. FP32 is 67 TFLOPS on H200 against 19.5 TFLOPS.

How do cloud prices compare?

A100 SXM4 80GB starts at $0.13/hr, averaging $1.35/hr across 24 offers. H200 NVL begins at $0.50/hr, averaging $2.39/hr across 4 offers. A100 offers more availability.

What are the TDP ratings?

A100 consumes 400W TDP, suitable for standard racks. H200 requires 700W, needing advanced cooling. This impacts datacenter power planning.

Does H200 support FP8?

H200 delivers 3958 TFLOPS FP8 for efficient inference. A100 lacks native FP8 support. This optimizes quantized LLM serving.

What interconnects do they use?

Both feature NVLink and InfiniBand, but H200 upgrades to PCIe 5.0 from A100's PCIe 4.0. This enhances multi-GPU bandwidth.

Which is cheaper to rent, the A100 or the H200?

Cloud rental prices for both the A100 and H200 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 A100 have compared to the H200?

The A100 has 40 to 80 GB of HBM2e memory. The H200 has 141 GB of HBM3e memory.

Can I find A100 and H200 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 A100 and the H200?

The A100 uses the Ampere architecture (2020) while the H200 uses Hopper (2024). The H200 delivers 6.3x the FP16 throughput and 2.4x the memory bandwidth of the A100.

A100 SXM4 80GB vs H200 NVL: 6.3x FP16 Gap, 141GB vs 80GB | GPUPerHour