H100 PCIe vs RTX A2000

HoppervsAmpereUpdated 35 days ago

The H100 emerges as the clear winner for prevalent AI and machine learning use cases, driven by 1979 TFLOPS FP16 performance, 80 to 94 GB VRAM, and 3350 GB/s bandwidth that handle production-scale training and inference unattainable by the A2000's 8 TFLOPS and 6 to 12 GB constraints.

H100 PCIe from $1.90/hrRTX A2000 from $0.50/hr

Specifications Compared

SpecH100RTX-A2000
TDP700W70W
VRAM80-94 GB6-12 GB
CUDA Cores16,8963,328
Memory TypeHBM3GDDR6
ArchitectureHopperAmpere
Form FactorsSXM5, PCIe, NVLPCIe
InterconnectNVLink, PCIe 5.0, InfiniBand
Tensor Cores528104
FP8 Performance3,958 TFLOPS
FP16 Performance1,979 TFLOPS8 TFLOPS
FP32 Performance67 TFLOPS8 TFLOPS
FP64 Performance34 TFLOPS
INT8 Performance3,958 TOPS
Memory Bandwidth3,350 GB/s288 GB/s

Performance Analysis

The H100's FP16 throughput reaches 1979 TFLOPS, far surpassing the A2000's 8 TFLOPS, which accelerates deep learning training where half-precision arithmetic prevails and shortens epochs for large models. In FP32, the H100 delivers 67 TFLOPS against the A2000's 8 TFLOPS, supporting superior general-purpose computing and simulation workloads. FP8 capability on the H100 hits 3958 TFLOPS, enabling efficient inference for quantized models unavailable on the A2000. Memory bandwidth defines practical limits: the H100's 3350 GB/s sustains large batch sizes in training, minimizing overhead from data transfers, whereas the A2000's 288 GB/s restricts batches to smaller scales and increases latency. VRAM disparity proves critical: 80 to 94 GB on the H100 handles models exceeding 12 GB, preventing out-of-memory errors common on the A2000.

Live Cloud Pricing

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

H100 PCIe

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
Hyperstack
Hyperstack
8×NVIDIA H100 PCIe
80GB VRAM
$1.95/GPU/hr
$15.60/hr total (8×)
Available

RTX A2000

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
RunPod
RunPod
NVIDIA RTX A2000
12GB VRAM
$0.50/GPU/hr

Compare real-time pricing across 25+ providers

When to Choose the H100 PCIe

The H100 excels in datacenter environments demanding extreme compute density, such as training large language models with billions of parameters that require 80 to 94 GB VRAM and 1979 TFLOPS FP16 performance. Enterprises processing massive datasets benefit from its 3350 GB/s bandwidth, which supports batch sizes infeasible on lesser GPUs. High TDP of 700W suits rack-scale deployments with NVLink interconnects for multi-GPU scaling.

When to Choose the RTX A2000

The RTX A2000 fits budget prototyping and edge deployments where 70W TDP enables low-power operation without dedicated cooling. Developers testing small-scale inference or visualization tasks leverage its 6 to 12 GB VRAM and PCIe form factor for easy integration into workstations. Cloud users prioritize cost at $0.06 per hour starting price for non-intensive workloads.

Use Cases

LLM Training
H100 PCIe

LLM training demands vast VRAM and FP16 throughput: the H100 provides 80 to 94 GB and 1979 TFLOPS, enabling full-model fits and rapid epochs impossible on the A2000's 6 to 12 GB and 8 TFLOPS.

LLM Inference
H100 PCIe

High-throughput inference benefits from the H100's 3958 TFLOPS FP8 and 3350 GB/s bandwidth for serving large batches, while the A2000 limits scale with 288 GB/s and lower compute.

Fine-tuning
H100 PCIe

Fine-tuning mid-to-large models requires substantial VRAM: H100's 80 to 94 GB supports parameter-efficient methods at scale, outperforming A2000's 6 to 12 GB for memory-intensive adapters.

Stable Diffusion
Either

Small Stable Diffusion pipelines run on A2000's 6 to 12 GB VRAM for prototyping, but H100's superior bandwidth and compute accelerate high-resolution generations and batch processing.

Scientific Computing
H100 PCIe

Scientific simulations leverage FP32 performance and memory: H100's 67 TFLOPS and 3350 GB/s handle complex grids, exceeding A2000's 8 TFLOPS and 288 GB/s for large-scale analysis.

Frequently Asked Questions

What is the VRAM difference between H100 and RTX A2000?

The H100 offers 80 to 94 GB HBM3 VRAM, compared to the RTX A2000's 6 to 12 GB GDDR6. This gap allows the H100 to load massive AI models without swapping, while the A2000 suits smaller datasets.

How do FP16 performances compare?

H100 achieves 1979 TFLOPS in FP16, vastly outpacing the A2000's 8 TFLOPS. Such disparity speeds up neural network training by orders of magnitude on the H100.

What are the cloud rental prices?

H100 PCIe rentals start at $1.25 per hour, averaging $2.61 across 23 offers. RTX A2000 starts at $0.06 per hour, averaging $0.23 across 3 offers.

Which has higher memory bandwidth?

H100 provides 3350 GB/s, exceeding A2000's 288 GB/s by over 11 times. Higher bandwidth on H100 supports larger training batches and reduces data bottlenecks.

What is the power consumption difference?

H100 has a 700W TDP, suited for datacenters, versus A2000's 70W for efficient workstations. Lower TDP makes A2000 ideal for power-constrained environments.

Can RTX A2000 handle AI training?

RTX A2000 manages small-scale training with 8 TFLOPS FP16 and 6 to 12 GB VRAM, but struggles with models over 10 GB. H100 is required for production AI training.

Which is cheaper to rent, the H100 or the RTX A2000?

Cloud rental prices for both the H100 and RTX A2000 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 A2000?

The H100 has 80 to 94 GB of HBM3 memory. The RTX A2000 has 6 to 12 GB of GDDR6 memory.

Can I find H100 and RTX A2000 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 A2000?

The H100 uses the Hopper architecture (2022) while the RTX A2000 uses Ampere (2021). The H100 delivers 247.4x the FP16 throughput and 11.6x the memory bandwidth of the RTX A2000.

H100 PCIe vs RTX A2000: 247.4x FP16 Gap, 94GB vs 12GB | GPUPerHour