B200 SXM vs RTX 5070

BlackwellvsBlackwellUpdated 35 days ago

For the most common cloud AI workloads like LLM training and inference, the B200 emerges as the clear winner due to its 4500 TFLOPS FP16, 192 GB VRAM, and 8000 GB/s bandwidth enabling unprecedented scale. The RTX 5070 cannot compete in enterprise throughput despite lower $0.08 per hour costs, making B200 the choice for performance-critical applications.

B200 SXM from $3.95/hr

Specifications Compared

SpecB200RTX-5070
TDP1000W250W
VRAM192 GB12 GB
CUDA Cores18,4326,144
Memory TypeHBM3eGDDR7
ArchitectureBlackwellBlackwell
Form FactorsSXM, NVLPCIe
InterconnectNVLink, PCIe 6.0, InfiniBand
Tensor Cores576192
FP8 Performance9,000 TFLOPS
FP16 Performance4,500 TFLOPS40.6 TFLOPS
FP32 Performance90 TFLOPS40.6 TFLOPS
FP64 Performance45 TFLOPS
INT8 Performance9,000 TOPS650 TOPS
Memory Bandwidth8,000 GB/s448 GB/s

Performance Analysis

The B200's FP16 performance reaches 4500 TFLOPS and FP8 hits 9000 TFLOPS, dwarfing the RTX 5070's 40.6 TFLOPS in both FP16 and FP32, enabling the B200 to accelerate AI training and inference by orders of magnitude for large models. The B200's FP32 at 90 TFLOPS still outpaces the RTX 5070, but the wide FP16-to-FP32 gap on B200 optimizes it for mixed-precision workflows common in deep learning, where FP16 reduces memory use without precision loss. In contrast, the RTX 5070's balanced FP16 and FP32 at 40.6 TFLOPS suits general compute like gaming or smaller simulations. Memory bandwidth profoundly impacts batch sizes: B200's 8000 GB/s supports massive batches in training large language models, minimizing data loading bottlenecks, while RTX 5070's 448 GB/s limits it to smaller batches prone to underutilization in memory-intensive tasks. VRAM disparity further amplifies this: 192 GB on B200 handles models exceeding 100 billion parameters, versus RTX 5070's 12 GB constraining it to sub-10 billion parameter deployments. Interconnects like NVLink and PCIe 6.0 on B200 enable multi-GPU scaling unavailable on the PCIe-only RTX 5070.

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

The B200 excels in enterprise AI training and large-scale inference where 192 GB HBM3e VRAM and 8000 GB/s bandwidth handle models with hundreds of billions of parameters. Scenarios demanding FP8 at 9000 TFLOPS or FP16 at 4500 TFLOPS, such as hyperscale LLM fine-tuning, favor the B200 despite its 1000W TDP and $1.71 per hour starting price. Multi-node clusters benefit from NVLink and InfiniBand for seamless scaling across 13 cloud offers averaging $4.60 per hour.

When to Choose the RTX 5070

The RTX 5070 suits cost-sensitive gaming, content creation, or lightweight AI inference with its 250W TDP and $0.08 per hour pricing across 2 offers. Users running Stable Diffusion or small model inference under 12 GB GDDR7 VRAM find it ideal, as 40.6 TFLOPS FP16/FP32 delivers sufficient performance without datacenter overhead. Single-user workstations leverage its PCIe form factor for quick deployment.

Use Cases

LLM Training
B200 SXM

B200's 192 GB VRAM and 4500 TFLOPS FP16 support massive batch sizes and models over 100 billion parameters. RTX 5070's 12 GB limits it to small-scale training.

LLM Inference
B200 SXM

9000 TFLOPS FP8 on B200 accelerates high-throughput serving for large models. RTX 5070 handles only lightweight inference with 40.6 TFLOPS.

Fine-tuning
B200 SXM

B200's 8000 GB/s bandwidth enables efficient fine-tuning of large models. RTX 5070's 448 GB/s bandwidth restricts batch sizes.

Stable Diffusion
RTX 5070

RTX 5070's 40.6 TFLOPS FP16 suffices for image generation at 12 GB VRAM. B200's power is excessive for consumer creative tasks.

Scientific Computing
Either

RTX 5070 works for FP32-bound simulations at 40.6 TFLOPS affordably. B200's 90 TFLOPS FP32 scales for HPC clusters.

Frequently Asked Questions

What is the VRAM difference between B200 SXM and RTX 5070?

B200 SXM offers 192 GB HBM3e VRAM, while RTX 5070 provides 12 GB GDDR7. This 16x gap allows B200 to load massive AI models without swapping.

How do their memory bandwidths compare?

B200 achieves 8000 GB/s, compared to RTX 5070's 448 GB/s. Higher bandwidth on B200 supports larger batch sizes in training.

What are the cloud pricing ranges?

B200 SXM starts at $1.71 per hour, averaging $4.60 across 13 offers. RTX 5070 begins at $0.08 per hour, averaging $0.16 across 2 offers.

Which has higher FP16 performance?

B200 delivers 4500 TFLOPS FP16 versus RTX 5070's 40.6 TFLOPS. This makes B200 vastly superior for AI acceleration.

What are their TDPs?

B200 requires 1000W TDP, suited for datacenters. RTX 5070 uses 250W, ideal for desktops.

Do they support multi-GPU interconnects?

B200 includes NVLink, PCIe 6.0, and InfiniBand for scaling. RTX 5070 lacks specified interconnects beyond PCIe.

Which is cheaper to rent, the B200 or the RTX 5070?

Cloud rental prices for both the B200 and RTX 5070 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 5070?

The B200 has 192 GB of HBM3e memory. The RTX 5070 has 12 GB of GDDR7 memory.

Can I find B200 and RTX 5070 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 5070?

The B200 uses the Blackwell architecture (2024) while the RTX 5070 uses Blackwell (2025). The B200 delivers 110.8x the FP16 throughput and 17.9x the memory bandwidth of the RTX 5070.

B200 SXM vs RTX 5070: 110.8x FP16 Gap, 192GB vs 12GB | GPUPerHour