B200 SXM vs RTX 3070

BlackwellvsAmpereUpdated 35 days ago

The NVIDIA B200 SXM emerges as the superior choice for prevalent AI and machine learning use cases, driven by its 192 GB VRAM, 4500 TFLOPS FP16, and 8000 GB/s bandwidth that handle large-scale training and inference unattainable on the RTX 3070. While the latter offers value at $0.04 per hour for entry-level tasks, professionals prioritize the B200's datacenter prowess over the consumer GPU's limitations.

B200 SXM from $3.95/hr

Specifications Compared

SpecB200RTX-3070
TDP1000W220W
VRAM192 GB8 GB
CUDA Cores18,4325,888
Memory TypeHBM3eGDDR6
ArchitectureBlackwellAmpere
Form FactorsSXM, NVLPCIe
InterconnectNVLink, PCIe 6.0, InfiniBand
Tensor Cores576184
FP8 Performance9,000 TFLOPS
FP16 Performance4,500 TFLOPS20.3 TFLOPS
FP32 Performance90 TFLOPS20.3 TFLOPS
FP64 Performance45 TFLOPS
INT8 Performance9,000 TOPS
Memory Bandwidth8,000 GB/s448 GB/s

Performance Analysis

The B200's FP16 throughput of 4500 TFLOPS accelerates deep learning training far beyond the RTX 3070's 20.3 TFLOPS, allowing faster iterations on large datasets. Its FP32 capability of 90 TFLOPS supports compute-intensive simulations, exceeding the RTX 3070's matched 20.3 TFLOPS in both formats and enabling precision tasks at scale. This FP16 to FP32 delta on the B200 optimizes mixed-precision training, reducing memory usage while maintaining accuracy.

Memory bandwidth profoundly impacts workloads: the B200's 8000 GB/s sustains large batch sizes in inference, minimizing latency for real-time applications, whereas the RTX 3070's 448 GB/s constrains batches to smaller scales, increasing overhead. VRAM differences amplify this: 192 GB on the B200 fits entire large language models in memory, avoiding swaps, unlike the 8 GB limit on the RTX 3070 which fragments workflows. Power draw reflects efficiency trade-offs, with the B200 at 1000W TDP for peak output versus 220W on the RTX 3070 for lighter duties.

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 B200 SXM

Opt for the B200 SXM in enterprise AI training where 192 GB HBM3e VRAM accommodates models exceeding 100 billion parameters. Its 4500 TFLOPS FP16 and 8000 GB/s bandwidth excel in distributed setups via NVLink and PCIe 6.0, justifying $1.71 per hour starting costs for production-scale inference.

Scientific computing demanding FP32 at 90 TFLOPS or FP8 at 9000 TFLOPS benefits from the B200's SXM form factor in multi-GPU clusters.

When to Choose the RTX 3070

Select the RTX 3070 for cost-sensitive prototyping at $0.04 per hour, where 8 GB GDDR6 suffices for fine-tuning small models or running Stable Diffusion locally. Its 220W TDP and PCIe form factor integrate easily into desktop or edge cloud setups without high power infrastructure.

Gaming or lightweight inference on datasets under 1 GB leverages the RTX 3070's 20.3 TFLOPS efficiently, avoiding the B200's overhead.

Use Cases

LLM Training
B200 SXM

The B200's 192 GB HBM3e VRAM and 4500 TFLOPS FP16 support training models with hundreds of billions of parameters. The RTX 3070's 8 GB GDDR6 cannot load such models without severe fragmentation.

LLM Inference
B200 SXM

B200's 8000 GB/s bandwidth enables low-latency serving of large models at scale with FP8 at 9000 TFLOPS. RTX 3070's 448 GB/s limits batch sizes and throughput.

Fine-tuning
Either

RTX 3070 handles small model fine-tuning efficiently at 20.3 TFLOPS for $0.04 per hour. B200 suits larger adaptations with 90 TFLOPS FP32 but at higher cost.

Stable Diffusion
RTX 3070

RTX 3070's 8 GB VRAM and 20.3 TFLOPS FP16 generate images quickly for hobbyists at low $0.09 per hour average. B200 overkill for single-user creative tasks.

Scientific Computing
B200 SXM

B200's 90 TFLOPS FP32 and 1000W TDP power complex simulations in clusters. RTX 3070's equal 20.3 TFLOPS FP32 falls short for high-fidelity computations.

Frequently Asked Questions

What is the VRAM difference between B200 SXM and RTX 3070?

The B200 SXM features 192 GB HBM3e VRAM, dwarfing the RTX 3070's 8 GB GDDR6. This enables the B200 to process massive AI models in one go, while the RTX 3070 requires model sharding.

How do their FP16 performances compare?

B200 delivers 4500 TFLOPS in FP16, over 221 times the RTX 3070's 20.3 TFLOPS. Such disparity accelerates neural network training on the B200 dramatically.

Which GPU has higher memory bandwidth?

B200 achieves 8000 GB/s, nearly 18 times the RTX 3070's 448 GB/s. Higher bandwidth on B200 supports larger batches and faster data movement in deep learning.

What are the cloud rental prices?

B200 SXM starts at $1.71 per hour averaging $4.60 across 13 offers, versus RTX 3070 at $0.04 per hour averaging $0.09 over 4 offers. Budget users favor RTX 3070 for light tasks.

Is the B200 more power-hungry?

Yes, B200's 1000W TDP contrasts with RTX 3070's 220W. Datacenter cooling suits B200, while RTX 3070 fits standard desktops.

Can RTX 3070 handle LLM inference?

RTX 3070 manages small LLMs with 8 GB VRAM at 20.3 TFLOPS FP16, but struggles with models over 7B parameters. B200 excels universally with 192 GB.

Which is cheaper to rent, the B200 or the RTX 3070?

Cloud rental prices for both the B200 and RTX 3070 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 B200 have compared to the RTX 3070?

The B200 has 192 GB of HBM3e memory. The RTX 3070 has 8 GB of GDDR6 memory.

Can I find B200 and RTX 3070 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 B200 and the RTX 3070?

The B200 uses the Blackwell architecture (2024) while the RTX 3070 uses Ampere (2020). The B200 delivers 221.7x the FP16 throughput and 17.9x the memory bandwidth of the RTX 3070.

B200 SXM vs RTX 3070: 221.7x FP16 Gap, 192GB vs 8GB | GPUPerHour