B300 vs GTX 1080

Blackwell UltravsPascalUpdated 35 days ago

The B300 emerges as the clear winner for prevalent AI and compute workloads: its 2250 TFLOPS FP16, 288 GB VRAM, and 12000 GB/s bandwidth deliver orders-of-magnitude gains over GTX 1080's 8.9 TFLOPS and 8 to 11 GB constraints. Modern users prioritize this performance despite higher $2.45 to $6.44 per hour pricing, as GTX 1080 cannot compete in training or large-model inference.

B300 from $7.39/hrGTX 1080 from $0.30/hr

Specifications Compared

SpecB300GTX-1080
TDP1200W180W
VRAM288 GB8-11 GB
Memory TypeHBM3eGDDR5X
ArchitectureBlackwell UltraPascal
Form FactorsSXMPCIe
InterconnectNVSwitch, NVLink
FP8 Performance4,500 TFLOPS
FP16 Performance2,250 TFLOPS8.9 TFLOPS
FP32 Performance90 TFLOPS8.9 TFLOPS
FP64 Performance45 TFLOPS
INT8 Performance4,500 TOPS
Memory Bandwidth12,000 GB/s320 GB/s

Performance Analysis

The B300's compute specifications dominate: its 2250 TFLOPS FP16 capability enables rapid training of large language models, far exceeding the GTX 1080's 8.9 TFLOPS. The FP16 to FP32 ratio reveals intent: B300's 2250 TFLOPS FP16 versus 90 TFLOPS FP32 optimizes for AI inference and mixed-precision training, while GTX 1080's parity at 8.9 TFLOPS suits general-purpose floating-point tasks from its era.

Memory bandwidth profoundly impacts real-world usage. B300's 12000 GB/s supports massive batch sizes in deep learning, accommodating models that exceed 288 GB VRAM, whereas GTX 1080's 320 GB/s limits it to small datasets or low-resolution inference. This disparity means B300 handles enterprise-scale transformer models without swapping, but GTX 1080 struggles beyond toy examples.

Power and form factors further differentiate them. B300's 1200W TDP and SXM with NVLink/NVSwitch enable multi-GPU clusters for distributed training, contrasting GTX 1080's 180W PCIe design for single-node desktops. In practice, B300 accelerates FP8 workloads at 4500 TFLOPS for inference, rendering GTX 1080 obsolete for modern AI pipelines.

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
Scaleway
Scaleway
8×NVIDIA B300 SXM6
262GB VRAM
$8.73/GPU/hr
$69.84/hr total (8×)
Available

GTX 1080

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
LeaderGPU
LeaderGPU
4×NVIDIA GeForce GTX 1080
8GB VRAM
$0.30/GPU/hr
$1.20/hr total (4×)
Available
LeaderGPU
LeaderGPU
8×NVIDIA GeForce GTX 1080 Ti
11GB VRAM
$0.60/GPU/hr
$4.80/hr total (8×)
Available

Compare real-time pricing across 25+ providers

When to Choose the B300

The B300 excels in demanding AI workloads: its 288 GB HBM3e VRAM and 12000 GB/s bandwidth handle large-scale LLM training or inference with batch sizes infeasible on lesser hardware. Datacenter users benefit from NVLink interconnects for multi-GPU scaling at 2250 TFLOPS FP16, ideal for enterprises processing petabyte datasets.

Cloud deployments starting at $2.45 per hour justify B300 for production environments where time-to-result trumps cost, such as fine-tuning billion-parameter models.

When to Choose the GTX 1080

The GTX 1080 suits budget-conscious prototyping: its 8 to 11 GB VRAM and 8.9 TFLOPS FP32 suffice for small-scale machine learning experiments or legacy gaming at $0.30 per hour. Low 180W TDP fits edge devices or personal workstations without high power infrastructure.

It remains viable for non-AI tasks like basic scientific simulations where 320 GB/s bandwidth meets modest data needs, avoiding B300's $6.44 per hour average expense.

Use Cases

LLM Training
B300

B300's 288 GB VRAM and 2250 TFLOPS FP16 enable training of massive models with large batches. GTX 1080's 8 to 11 GB VRAM limits it to tiny datasets.

LLM Inference
B300

B300 supports high-throughput inference via 4500 TFLOPS FP8 and 12000 GB/s bandwidth for production scale. GTX 1080 handles only low-volume queries due to 320 GB/s constraints.

Fine-tuning
B300

B300's 90 TFLOPS FP32 and vast memory accelerate fine-tuning of large models efficiently. GTX 1080's equal 8.9 TFLOPS FP16/FP32 suits only small adapters.

Stable Diffusion
Either

B300 overdelivers with 288 GB VRAM for high-res generations, but GTX 1080's 8.9 TFLOPS manages 512x512 images at low cost. Choice depends on resolution and budget.

Scientific Computing
B300

B300's 1200W TDP and NVLink scale simulations across nodes with 12000 GB/s bandwidth. GTX 1080's PCIe limits it to single-GPU modest computations.

Frequently Asked Questions

What is the VRAM difference between B300 and GTX 1080?

B300 provides 288 GB HBM3e VRAM, enabling massive models. GTX 1080 offers 8 to 11 GB GDDR5X, suitable for smaller workloads. This gap determines feasible model sizes.

How do compute performances compare?

B300 delivers 2250 TFLOPS FP16 and 90 TFLOPS FP32. GTX 1080 matches 8.9 TFLOPS in both. B300 excels in AI-optimized precisions by over 250 times in FP16.

What are the cloud pricing ranges?

B300 starts at $2.45 per hour, averaging $6.44 across seven offers. GTX 1080 begins at $0.30 per hour, averaging $0.45 from two providers. Pricing aligns with capability tiers.

Is B300 better for AI training?

Yes: B300's 12000 GB/s bandwidth and 288 GB VRAM support large-batch training. GTX 1080's 320 GB/s and 8 to 11 GB restrict it to prototypes.

What form factors do they use?

B300 employs SXM with NVSwitch and NVLink for clusters. GTX 1080 uses PCIe for desktops. B300 scales better for datacenters.

How do TDPs differ?

B300 requires 1200W for peak performance. GTX 1080 draws 180W, easing deployment. Power needs reflect their target environments.

Which is cheaper to rent, the B300 or the GTX 1080?

Cloud rental prices for both the B300 and GTX 1080 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 GTX 1080?

The B300 has 288 GB of HBM3e memory. The GTX 1080 has 8 to 11 GB of GDDR5X memory.

Can I find B300 and GTX 1080 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 GTX 1080?

The B300 uses the Blackwell Ultra architecture (2025) while the GTX 1080 uses Pascal (2016). The B300 delivers 252.8x the FP16 throughput and 37.5x the memory bandwidth of the GTX 1080.