B300 SXM6 vs RTX 6000 Ada Generation

Blackwell UltravsAda LovelaceUpdated 35 days ago

The B300 emerges as the superior choice for dominant AI workloads like LLM training and inference. Its 288 GB VRAM, 12000 GB/s bandwidth, and 2250 TFLOPS FP16 outperform the RTX 6000 Ada's capabilities by orders of magnitude, justifying the higher $6.44 per hour average cost for production-scale performance.

B300 SXM6 from $7.39/hrRTX 6000 Ada Generation from $0.50/hr

Specifications Compared

SpecB300RTX-6000-ADA
TDP1200W300W
VRAM288 GB48 GB
Memory TypeHBM3eGDDR6
ArchitectureBlackwell UltraAda Lovelace
Form FactorsSXMPCIe
InterconnectNVSwitch, NVLinkNVLink
FP8 Performance4,500 TFLOPS
FP16 Performance2,250 TFLOPS91.1 TFLOPS
FP32 Performance90 TFLOPS91.1 TFLOPS
FP64 Performance45 TFLOPS1.4 TFLOPS
INT8 Performance4,500 TOPS1,457 TOPS
Memory Bandwidth12,000 GB/s960 GB/s

Performance Analysis

The B300's FP16 throughput of 2250 TFLOPS dwarfs the RTX 6000 Ada's 91.1 TFLOPS, making it ideal for training deep learning models where half-precision computations dominate. The FP32 performance remains comparable at 90 TFLOPS for B300 and 91.1 TFLOPS for RTX 6000 Ada, but the B300's FP8 capability of 4500 TFLOPS enhances inference efficiency for quantized models. This FP16 and FP8 advantage translates to faster epochs in large-scale training and lower latency in serving.

Memory bandwidth profoundly impacts real-world usage: the B300's 12000 GB/s supports massive batch sizes for models exceeding 48 GB VRAM, preventing out-of-memory errors common on the RTX 6000 Ada. The 288 GB HBM3e capacity on B300 handles trillion-parameter LLMs, while 960 GB/s on RTX 6000 Ada limits it to smaller batches or models. Power draw of 1200W for B300 versus 300W for RTX 6000 Ada suits datacenter cooling but demands robust infrastructure.

Interconnects further differentiate them: B300 uses NVSwitch and NVLink for multi-GPU scaling, outperforming the RTX 6000 Ada's PCIe and NVLink in clustered environments.

Live Cloud Pricing

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

B300 SXM6

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

RTX 6000 Ada Generation

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
RunPod
RunPod
NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.50/GPU/hr
RunPod
RunPod
NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.77/GPU/hr
Massed Compute
Massed Compute
NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.79/GPU/hr
Available
Massed Compute
Massed Compute
8×NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.79/GPU/hr
$6.32/hr total (8×)
Available
Massed Compute
Massed Compute
4×NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.79/GPU/hr
$3.16/hr total (4×)
Available

Compare real-time pricing across 25+ providers

When to Choose the B300 SXM6

Opt for the B300 in scenarios demanding extreme scale, such as training LLMs with over 100 billion parameters that require 288 GB HBM3e VRAM. Its 12000 GB/s bandwidth and 2250 TFLOPS FP16 enable processing massive datasets without bottlenecks. Datacenter users benefit from NVSwitch interconnects for multi-node clusters at $2.45 per hour starting price.

When to Choose the RTX 6000 Ada Generation

The RTX 6000 Ada suits budget-conscious developers handling models under 48 GB VRAM, like fine-tuning mid-sized networks. Its 300W TDP fits standard workstations via PCIe, and $0.13 per hour pricing across 51 offers minimizes costs. Balanced FP16 and FP32 at 91.1 TFLOPS each support graphics and compute tasks without datacenter overhead.

Use Cases

LLM Training
B300 SXM6

The B300's 288 GB HBM3e VRAM and 2250 TFLOPS FP16 handle trillion-parameter models with large batches. RTX 6000 Ada's 48 GB limits scale.

LLM Inference
B300 SXM6

B300's 4500 TFLOPS FP8 and 12000 GB/s bandwidth deliver low-latency serving for massive models. RTX 6000 Ada suits only smaller deployments.

Fine-tuning
Either

RTX 6000 Ada's 48 GB VRAM and 91.1 TFLOPS suffice for mid-sized models at low $0.13 per hour cost. B300 excels for parameter-heavy fine-tuning needing 288 GB.

Stable Diffusion
RTX 6000 Ada Generation

RTX 6000 Ada's 48 GB GDDR6 and 960 GB/s bandwidth generate images efficiently on PCIe workstations. B300's 1200W TDP overkills typical needs.

Scientific Computing
RTX 6000 Ada Generation

RTX 6000 Ada's 91.1 TFLOPS FP32 matches simulations under 48 GB data. B300's power suits only hyperscale HPC.

Frequently Asked Questions

Which GPU has more VRAM?

The B300 provides 288 GB HBM3e VRAM, far exceeding the RTX 6000 Ada's 48 GB GDDR6. This enables B300 to load models six times larger. RTX 6000 Ada fits smaller datasets.

How do their prices compare?

RTX 6000 Ada starts at $0.13 per hour with an average of $1.20 per hour across 51 offers. B300 begins at $2.45 per hour averaging $6.44 per hour over 7 offers. Cost reflects datacenter versus workstation focus.

What is the FP16 performance difference?

B300 achieves 2250 TFLOPS FP16, over 24 times the RTX 6000 Ada's 91.1 TFLOPS. This boosts AI training speed dramatically. Inference also benefits from B300's FP8 at 4500 TFLOPS.

Which is better for large model training?

B300 excels with 288 GB VRAM and 12000 GB/s bandwidth for batch sizes impossible on RTX 6000 Ada's 48 GB and 960 GB/s. Multi-GPU scaling via NVSwitch seals its advantage.

What are their power requirements?

B300 demands 1200W TDP in SXM form factor for datacenters. RTX 6000 Ada uses 300W in PCIe, suiting desktops. Higher TDP correlates with B300's performance gains.

Can they interconnect for clusters?

B300 supports NVSwitch and NVLink for high-bandwidth multi-GPU. RTX 6000 Ada uses NVLink and PCIe, adequate for smaller clusters. B300 scales better for exascale AI.

Which is cheaper to rent, the B300 or the RTX 6000 Ada?

Cloud rental prices for both the B300 and RTX 6000 Ada 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 RTX 6000 Ada?

The B300 has 288 GB of HBM3e memory. The RTX 6000 Ada has 48 GB of GDDR6 memory.

Can I find B300 and RTX 6000 Ada 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 RTX 6000 Ada?

The B300 uses the Blackwell Ultra architecture (2025) while the RTX 6000 Ada uses Ada Lovelace (2022). The B300 delivers 24.7x the FP16 throughput and 12.5x the memory bandwidth of the RTX 6000 Ada.