A30 vs B200 SXM

AmperevsBlackwellUpdated 35 days ago

The NVIDIA B200 SXM emerges as the clear winner for prevalent AI and machine learning use cases. Its 4500 TFLOPS FP16 dwarfs A30's 10.3 TFLOPS, while 192 GB VRAM and 8000 GB/s bandwidth handle modern model scales. Availability from $1.71 per hour cements superiority over A30's outdated profile.

B200 SXM from $3.95/hr

Specifications Compared

SpecA30B200
TDP165W1000W
VRAM24 GB192 GB
CUDA Cores3,58418,432
Memory TypeHBM2HBM3e
ArchitectureAmpereBlackwell
Form FactorsPCIeSXM, NVL
InterconnectNVLinkNVLink, PCIe 6.0, InfiniBand
Tensor Cores224576
FP16 Performance10.3 TFLOPS4,500 TFLOPS
FP32 Performance10.3 TFLOPS90 TFLOPS
FP64 Performance5.2 TFLOPS45 TFLOPS
INT8 Performance165 TOPS9,000 TOPS
Memory Bandwidth933 GB/s8,000 GB/s

Performance Analysis

FP16 performance defines training efficiency: the A30 offers 10.3 TFLOPS, sufficient for modest models, whereas the B200 achieves 4500 TFLOPS, enabling rapid iterations on massive datasets. FP32 at 10.3 TFLOPS on A30 matches its FP16 for balanced simulation tasks, but B200's 90 TFLOPS elevates precision computing. The B200's FP8 capability at 9000 TFLOPS accelerates inference for quantized models, unavailable on A30.

Memory configurations impact real-world scalability: A30's 24 GB HBM2 limits batch sizes for large language models, while B200's 192 GB HBM3e accommodates them directly. Bandwidth of 933 GB/s on A30 constrains data throughput; 8000 GB/s on B200 sustains high utilization during training peaks. Larger batches reduce overhead and improve throughput by factors tied to the 8.6 times bandwidth gain.

Power profiles diverge sharply: A30's 165W TDP fits dense deployments without cooling strain, contrasting B200's 1000W demand for data center infrastructure. Interconnects enhance B200 multi-GPU scaling via PCIe 6.0 and InfiniBand over A30's NVLink alone.

Live Cloud Pricing

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

B200 SXM

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Nebius
Nebius
NVIDIA B200 SXM
192GB VRAM
$3.95/GPU/hr
Cirrascale
Cirrascale
8×NVIDIA B200 SXM
192GB VRAM
$4.79/GPU/hr
$38.32/hr total (8×)
Cirrascale
Cirrascale
8×NVIDIA B200 SXM
192GB VRAM
$5.39/GPU/hr
$43.12/hr total (8×)
Cirrascale
Cirrascale
8×NVIDIA B200 SXM
192GB VRAM
$5.69/GPU/hr
$45.52/hr total (8×)
RunPod
RunPod
NVIDIA B200 SXM
192GB VRAM
$5.89/GPU/hr

Compare real-time pricing across 25+ providers

When to Choose the A30

The A30 excels in power-constrained environments: its 165W TDP consumes far less energy than B200's 1000W, ideal for edge servers or retrofits. PCIe form factor integrates seamlessly into existing systems without SXM infrastructure. Workloads fitting within 24 GB HBM2 VRAM, such as fine-tuning smaller models at 10.3 TFLOPS FP16, favor A30 for cost efficiency where no live cloud offers exist.

When to Choose the B200 SXM

The B200 SXM dominates large-scale AI: 192 GB HBM3e VRAM loads models infeasible on A30's 24 GB, with 8000 GB/s bandwidth enabling huge batches. FP16 at 4500 TFLOPS and FP8 at 9000 TFLOPS deliver unmatched training and inference speeds. Cloud availability from $1.71 per hour across 13 offers supports rapid prototyping in Blackwell-era tasks.

Use Cases

LLM Training
B200 SXM

B200's 4500 TFLOPS FP16 accelerates training of large models, far exceeding A30's 10.3 TFLOPS. 192 GB VRAM supports full model loading without sharding.

LLM Inference
B200 SXM

FP8 performance at 9000 TFLOPS on B200 optimizes quantized inference throughput. High 8000 GB/s bandwidth handles concurrent requests beyond A30's 933 GB/s.

Fine-tuning
B200 SXM

B200's 192 GB HBM3e fits larger datasets for efficient fine-tuning, with 90 TFLOPS FP32 outperforming A30's 10.3 TFLOPS. Bandwidth enables bigger batches.

Stable Diffusion
Either

A30's 10.3 TFLOPS FP16 suffices for standard image generation within 24 GB VRAM. B200 elevates throughput for high-resolution or batch workloads.

Scientific Computing
A30

A30's balanced 10.3 TFLOPS FP32/FP16 and 165W TDP suit simulations in power-limited setups. PCIe form factor aids legacy HPC integration.

Frequently Asked Questions

What is the VRAM difference between NVIDIA A30 and B200 SXM?

A30 provides 24 GB HBM2 VRAM, while B200 SXM offers 192 GB HBM3e. This eightfold increase allows B200 to manage significantly larger AI models without partitioning.

How does FP16 performance compare?

A30 delivers 10.3 TFLOPS FP16, adequate for basic tasks. B200 achieves 4500 TFLOPS, a 437 times improvement critical for training large neural networks.

What are the power requirements?

A30 operates at 165W TDP in PCIe form factor. B200 SXM demands 1000W, requiring robust data center cooling and power supplies.

Is NVIDIA B200 SXM available in the cloud?

Yes, B200 SXM lists from $1.71 per hour, averaging $4.60 per hour across 13 live offers. A30 currently has no live cloud availability.

What interconnects do they support?

A30 uses NVLink. B200 SXM supports NVLink, PCIe 6.0, and InfiniBand for superior multi-GPU scaling in clusters.

Which has higher memory bandwidth?

B200 SXM reaches 8000 GB/s, over eight times A30's 933 GB/s. This boosts data transfer for high-batch training and inference.

Which is cheaper to rent, the A30 or the B200?

Cloud rental prices for both the A30 and B200 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 A30 have compared to the B200?

The A30 has 24 GB of HBM2 memory. The B200 has 192 GB of HBM3e memory.

Can I find A30 and B200 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 A30 and the B200?

The A30 uses the Ampere architecture (2021) while the B200 uses Blackwell (2024). The B200 delivers 436.9x the FP16 throughput and 8.6x the memory bandwidth of the A30.

A30 vs B200 SXM: 436.9x FP16 Gap, 192GB vs 24GB | GPUPerHour