A100 SXM4 40GB vs Intel Gaudi 2

AmperevsGaudiUpdated 35 days ago

Intel Gaudi 2 emerges as the winner for the most common use case of large-scale AI training and inference: 96 GB VRAM and 2460 GB/s bandwidth enable handling of bigger models and batches than A100 SXM4 40GB's 40 GB and 2039 GB/s, while 420 TFLOPS FP16 and FP32 deliver balanced performance at lower costs from $0.91 per hour.

A100 SXM4 40GB from $0.73/hrIntel Gaudi 2 from $0.91/hr

Specifications Compared

SpecA100GAUDI2
TDP400W600W
VRAM40-80 GB96 GB
CUDA Cores6,912
Memory TypeHBM2eHBM2e
ArchitectureAmpereGaudi
Form FactorsSXM4, PCIeOAM
InterconnectNVLink, PCIe 4.0, InfiniBandEthernet
Tensor Cores432
FP16 Performance312 TFLOPS420 TFLOPS
FP32 Performance19.5 TFLOPS420 TFLOPS
FP64 Performance9.7 TFLOPS
INT8 Performance624 TOPS
Memory Bandwidth2,039 GB/s2,460 GB/s

Performance Analysis

Gaudi 2 surpasses A100 SXM4 40GB in memory capacity and speed: 96 GB HBM2e VRAM versus 40 GB supports larger models or batch sizes without model parallelism, while 2460 GB/s bandwidth exceeds 2039 GB/s to minimize data transfer bottlenecks in training loops. This enables Gaudi 2 to process extensive datasets faster, ideal for memory-bound tasks like large language model pretraining. FP16 performance favors Gaudi 2 at 420 TFLOPS over A100's 312 TFLOPS, accelerating mixed-precision training common in deep learning. The FP32 disparity proves stark: Gaudi 2 delivers 420 TFLOPS against A100's 19.5 TFLOPS, making Gaudi 2 superior for FP32-dominant inference or scientific simulations requiring single-precision compute. A100's lower 400W TDP contrasts Gaudi 2's 600W, allowing denser A100 deployments in power-constrained clusters, though Gaudi 2's Ethernet interconnect lags behind A100's NVLink and InfiniBand for multi-node scaling.

Live Cloud Pricing

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

A100 SXM4 40GB

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×)

Intel Gaudi 2

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
LeaderGPU
LeaderGPU
8×Intel Gaudi 2
96GB VRAM
$0.91/GPU/hr
$7.29/hr total (8×)
Available
Denvr
Denvr
8×Intel Gaudi 2
96GB VRAM
$1.25/GPU/hr
$10.00/hr total (8×)

Compare real-time pricing across 25+ providers

When to Choose the A100 SXM4 40GB

NVIDIA A100 SXM4 40GB suits deployments leveraging the CUDA ecosystem, where optimized libraries like cuDNN ensure seamless integration for standard ML frameworks. Its NVLink, PCIe 4.0, and InfiniBand interconnects enable superior multi-GPU and multi-node scaling compared to Gaudi 2's Ethernet. The 400W TDP supports higher density in racks versus Gaudi 2's 600W draw.

When to Choose the Intel Gaudi 2

Intel Gaudi 2 excels in cost-sensitive, memory-intensive workloads: its 96 GB VRAM and 2460 GB/s bandwidth handle massive models that exceed A100 SXM4 40GB's 40 GB and 2039 GB/s limits. Balanced 420 TFLOPS across FP16 and FP32 outperforms A100's 312 TFLOPS FP16 and 19.5 TFLOPS FP32, with pricing from $0.91 per hour averaging $1.08 per hour versus A100's higher average of $2.63 per hour.

Use Cases

LLM Training
Intel Gaudi 2

Gaudi 2's 96 GB VRAM supports larger language models without sharding, unlike A100 SXM4 40GB's 40 GB limit. Its 420 TFLOPS FP16 exceeds A100's 312 TFLOPS for faster mixed-precision training.

LLM Inference
Intel Gaudi 2

Higher 2460 GB/s bandwidth on Gaudi 2 reduces latency for high-throughput inference compared to 2039 GB/s on A100. The 96 GB VRAM accommodates bigger batch sizes.

Fine-tuning
A100 SXM4 40GB

A100 SXM4 40GB benefits from NVIDIA's mature ecosystem for optimized fine-tuning pipelines. NVLink interconnect aids multi-GPU setups better than Gaudi 2's Ethernet.

Stable Diffusion
Either

Both GPUs handle diffusion models well, with A100's 312 TFLOPS FP16 suiting NVIDIA-optimized tools and Gaudi 2's 420 TFLOPS FP16 offering raw speed. Choice depends on ecosystem needs.

Scientific Computing
Intel Gaudi 2

Gaudi 2's 420 TFLOPS FP32 vastly outperforms A100 SXM4 40GB's 19.5 TFLOPS for simulations. The 96 GB VRAM aids complex datasets.

Frequently Asked Questions

What is the VRAM difference between NVIDIA A100 SXM4 40GB and Intel Gaudi 2?

NVIDIA A100 SXM4 40GB provides 40 GB HBM2e VRAM. Intel Gaudi 2 offers 96 GB HBM2e VRAM. The larger capacity on Gaudi 2 supports bigger AI models without partitioning.

How do their memory bandwidths compare?

A100 SXM4 40GB delivers 2039 GB/s bandwidth. Gaudi 2 achieves 2460 GB/s. Higher bandwidth on Gaudi 2 speeds up data movement for training and inference.

What are the FP32 performance specs?

NVIDIA A100 SXM4 40GB reaches 19.5 TFLOPS in FP32. Intel Gaudi 2 provides 420 TFLOPS in FP32. This gap makes Gaudi 2 far superior for FP32-heavy workloads.

What are the current cloud pricing ranges?

A100 SXM4 40GB starts at $1.00 per hour, averaging $2.63 per hour across 5 offers. Gaudi 2 starts at $0.91 per hour, averaging $1.08 per hour across 2 offers.

How do their TDPs differ?

A100 SXM4 40GB has a 400W TDP. Gaudi 2 requires 600W. Lower TDP on A100 allows more units per rack in power-limited environments.

What interconnects do they support?

A100 SXM4 40GB uses NVLink, PCIe 4.0, and InfiniBand. Gaudi 2 relies on Ethernet. A100's options excel in high-speed multi-node clusters.

Which is cheaper to rent, the A100 or the Gaudi 2?

Cloud rental prices for both the A100 and Gaudi 2 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 Gaudi 2?

The A100 has 40 to 80 GB of HBM2e memory. The Gaudi 2 has 96 GB of HBM2e memory.

Can I find A100 and Gaudi 2 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 Gaudi 2?

The A100 uses the Ampere architecture (2020) while the Gaudi 2 uses Gaudi (2022). The Gaudi 2 delivers 1.3x the FP16 throughput and 1.2x the memory bandwidth of the A100.