B300 vs V100

Blackwell UltravsVoltaUpdated 36 days ago

The B300 emerges as the superior choice for most modern AI workloads: its 2250 TFLOPS FP16 and 288 GB VRAM vastly outperform the V100's 125 TFLOPS and 16-32 GB, enabling scalable training and inference despite higher $7.17 per hour costs. Legacy or cost-sensitive tasks may favor V100, but performance demands crown the B300.

B300 from $7.39/hrV100 from $0.19/hr

Specifications Compared

SpecB300V100
TDP1200W300W
VRAM288 GB16-32 GB
Memory TypeHBM3eHBM2
ArchitectureBlackwell UltraVolta
Form FactorsSXMSXM2, PCIe
InterconnectNVSwitch, NVLinkNVLink, PCIe 3.0
FP8 Performance4,500 TFLOPS
FP16 Performance2,250 TFLOPS125 TFLOPS
FP32 Performance90 TFLOPS15.7 TFLOPS
FP64 Performance45 TFLOPS7.8 TFLOPS
INT8 Performance4,500 TOPS
Memory Bandwidth12,000 GB/s900 GB/s

Performance Analysis

FP16 performance defines a key disparity: the B300 achieves 2250 TFLOPS, eighteen times the V100's 125 TFLOPS, accelerating deep learning training where half-precision computations dominate. FP32 rates follow suit at 90 TFLOPS for the B300 against 15.7 TFLOPS for the V100, benefiting general-purpose floating-point workloads like simulations. FP8 capability on the B300 reaches 4500 TFLOPS, absent in V100 specs, enhancing inference efficiency for quantized models.

Memory bandwidth of 12000 GB/s on the B300 supports larger batch sizes in training, reducing overhead compared to the V100's 900 GB/s limitation, which constrains model scales. Higher TDP of 1200W on the B300 versus 300W on the V100 correlates with sustained peak performance in dense clusters, though it demands robust cooling. Form factors limit V100 to SXM2 or PCIe, while B300's SXM suits high-density racks.

In real-world terms, these specs translate to the B300 processing large language models infeasible on V100 due to VRAM constraints, slashing training times proportionally to the TFLOPS uplift.

Live Cloud Pricing

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

B300

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
RunPod
RunPod
NVIDIA B300 SXM6
262GB VRAM
$7.39/GPU/hr
VERDA
VERDA
NVIDIA B300 SXM6
262GB VRAM
$7.50/GPU/hr
Available
VERDA
VERDA
2×NVIDIA B300 SXM6
262GB VRAM
$7.50/GPU/hr
$15.00/hr total (2×)
Available
VERDA
VERDA
8×NVIDIA B300 SXM6
262GB VRAM
$7.50/GPU/hr
$60.00/hr total (8×)
Available
Scaleway
Scaleway
8×NVIDIA B300 SXM6
262GB VRAM
$8.73/GPU/hr
$69.84/hr total (8×)
Available

V100

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA Tesla V100 16GB
16GB VRAM
$0.19/GPU/hr
Available
TensorDock
TensorDock
NVIDIA Tesla V100 16GB
16GB VRAM
$0.19/GPU/hr
Available
TensorDock
TensorDock
NVIDIA Tesla V100 32GB
32GB VRAM
$0.29/GPU/hr
Available
TensorDock
TensorDock
NVIDIA Tesla V100 32GB
32GB VRAM
$0.29/GPU/hr
Available
Lambda Labs
Lambda Labs
8×NVIDIA Tesla V100 16GB
16GB VRAM
$0.79/GPU/hr
$6.32/hr total (8×)
Available

Compare real-time pricing across 25+ providers

When to Choose the B300

The B300 excels in large-scale AI training and inference requiring extensive VRAM: its 288 GB HBM3e handles models exceeding 100 billion parameters, unlike the V100's 16-32 GB limit. High memory bandwidth of 12000 GB/s enables massive batch sizes, optimizing throughput in data centers. At $6.94 per hour average $7.17 per hour, it justifies investment for production workloads leveraging 2250 TFLOPS FP16.

When to Choose the V100

The V100 suits budget-conscious prototyping or legacy applications: its pricing from $0.10 per hour average $0.94 per hour across 72 offers provides accessibility. Lower TDP of 300W fits edge or small-scale deployments without high power infrastructure. Compatibility with PCIe 3.0 and NVLink supports older codebases where 125 TFLOPS FP16 suffices for modest models.

Use Cases

LLM Training
B300

B300's 288 GB HBM3e VRAM and 2250 TFLOPS FP16 support massive models, far beyond V100's 16-32 GB and 125 TFLOPS.

LLM Inference
B300

4500 TFLOPS FP8 and 12000 GB/s bandwidth on B300 enable high-throughput serving; V100 lacks FP8 and sufficient VRAM for large batches.

Fine-tuning
B300

90 TFLOPS FP32 and high VRAM on B300 accelerate parameter-efficient tuning; V100's 15.7 TFLOPS limits scale.

Stable Diffusion
B300

B300's memory bandwidth of 12000 GB/s handles high-resolution generations quickly; V100's 900 GB/s bottlenecks diffusion steps.

Scientific Computing
Either

V100's 15.7 TFLOPS FP32 suffices for many simulations at $0.94 per hour average; B300's 90 TFLOPS excels in memory-intensive HPC.

Frequently Asked Questions

What is the VRAM difference between B300 and V100?

The B300 provides 288 GB HBM3e VRAM, while the V100 offers 16-32 GB HBM2. This enables the B300 to load much larger models without swapping.

How does FP16 performance compare?

B300 delivers 2250 TFLOPS FP16, compared to V100's 125 TFLOPS. The gap accelerates AI training by approximately 18 times.

What are the current cloud prices?

B300 rents from $6.94 per hour averaging $7.17 per hour across four offers. V100 starts at $0.10 per hour averaging $0.94 per hour across 72 offers.

Is B300 more power-hungry?

Yes, B300 has a 1200W TDP versus V100's 300W. This supports higher performance but requires advanced cooling.

Which has better memory bandwidth?

B300 achieves 12000 GB/s, over 13 times the V100's 900 GB/s. Larger batches become feasible on B300.

Can V100 run modern LLMs?

V100's 16-32 GB VRAM limits it to small LLMs; B300's 288 GB handles models over 100B parameters effectively.

Which is cheaper to rent, the B300 or the V100?

Cloud rental prices for both the B300 and V100 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 B300 have compared to the V100?

The B300 has 288 GB of HBM3e memory. The V100 has 16 to 32 GB of HBM2 memory.

Can I find B300 and V100 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 B300 and the V100?

The B300 uses the Blackwell Ultra architecture (2025) while the V100 uses Volta (2017). The B300 delivers 18.0x the FP16 throughput and 13.3x the memory bandwidth of the V100.

B300 vs V100: 18.0x FP16 Gap, 288GB vs 32GB | GPUPerHour