A100 vs TITAN Xp

AmperevsPascalUpdated 36 days ago

The A100 emerges as the clear winner for most contemporary use cases, particularly machine learning training and inference. Its 312 TFLOPS FP16, 2039 GB/s bandwidth, and 40 to 80 GB VRAM deliver overwhelming advantages over the TITAN Xp's 12.1 TFLOPS and 12 GB limits, justifying $0.45 to $1.92 per hour cloud pricing for performance gains exceeding 10x in key metrics.

A100 from $0.73/hr

Specifications Compared

SpecA100TITAN-XP
TDP400W250W
VRAM40-80 GB12 GB
CUDA Cores6,9123,840
Memory TypeHBM2eGDDR5X
ArchitectureAmperePascal
Form FactorsSXM4, PCIePCIe
InterconnectNVLink, PCIe 4.0, InfiniBand
Tensor Cores432
FP16 Performance312 TFLOPS12.1 TFLOPS
FP32 Performance19.5 TFLOPS12.1 TFLOPS
FP64 Performance9.7 TFLOPS
INT8 Performance624 TOPS
Memory Bandwidth2,039 GB/s548 GB/s

Performance Analysis

Superior FP16 performance on the A100, at 312 TFLOPS versus 12.1 TFLOPS on the TITAN Xp, accelerates deep learning training and inference using mixed precision, common in frameworks like TensorFlow and PyTorch. This 25x advantage reduces training times for large neural networks from days to hours on the A100. FP32 performance, 19.5 TFLOPS on A100 against 12.1 TFLOPS on TITAN Xp, benefits simulation and rendering tasks, though the gap narrows to 1.6x.

Memory bandwidth of 2039 GB/s on the A100 enables larger batch sizes in training, minimizing data loading bottlenecks compared to 548 GB/s on the TITAN Xp, which limits effective throughput for models exceeding 12 GB VRAM. The A100's 40 to 80 GB HBM2e capacity supports massive datasets, preventing out-of-memory errors prevalent on the TITAN Xp. Higher 400W TDP on A100 correlates with greater sustained performance, while NVLink and PCIe 4.0 interconnects facilitate multi-GPU scaling absent on the TITAN Xp.

Real-world implications include faster convergence in AI model training on A100, with up to 25x FP16 speedup translating to proportional wall-clock reductions for GPU-bound workloads.

Live Cloud Pricing

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

A100

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$0.73/GPU/hr
Available
Vast.ai
Vast.ai
2×NVIDIA A100 SXM4 80GB
80GB VRAM
$0.73/GPU/hr
$1.47/hr total (2×)
Available
LeaderGPU
LeaderGPU
8×NVIDIA A100 PCIe 80GB
80GB VRAM
$0.90/GPU/hr
$7.20/hr total (8×)
Available
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$1.07/GPU/hr
Available
Denvr
Denvr
8×NVIDIA A100 SXM4 80GB
80GB VRAM
$1.15/GPU/hr
$9.20/hr total (8×)

Compare real-time pricing across 25+ providers

When to Choose the A100

The A100 excels in large-scale AI training and inference where 312 TFLOPS FP16 and 40 to 80 GB VRAM handle models like transformers exceeding 12 GB. Cloud users benefit from $0.45 per hour starting pricing across 57 offers, enabling scalable deployments via NVLink interconnects. High memory bandwidth of 2039 GB/s supports massive batch sizes in data centers.

Enterprise scenarios demanding PCIe 4.0 or SXM4 form factors favor the A100 for its 2020 Ampere architecture compatibility with modern CUDA versions.

When to Choose the TITAN Xp

The TITAN Xp suits legacy Pascal-optimized software or local workstations where 12 GB GDDR5X VRAM suffices for smaller models. Lower 250W TDP reduces power costs in non-cloud setups without multi-GPU needs. Balanced 12.1 TFLOPS FP16 and FP32 performance fits basic inference or prototyping without HBM2e premiums.

Budget-conscious users with existing PCIe hardware prefer TITAN Xp for tasks not requiring cloud scaling, as no live rental offers exist.

Use Cases

LLM Training
A100

A100's 312 TFLOPS FP16 and 40-80 GB VRAM enable training large language models without memory constraints. TITAN Xp's 12 GB VRAM and 12.1 TFLOPS limit scalability.

LLM Inference
A100

High 2039 GB/s bandwidth on A100 supports high-throughput inference with large batches. TITAN Xp's 548 GB/s bandwidth causes bottlenecks for models over 12 GB.

Fine-tuning
A100

A100's 19.5 TFLOPS FP32 and ample VRAM accelerate fine-tuning of pre-trained models. TITAN Xp struggles with datasets exceeding its 12 GB capacity.

Stable Diffusion
A100

A100 handles high-resolution image generation via 312 TFLOPS FP16, far surpassing TITAN Xp's 12.1 TFLOPS for faster iterations.

Scientific Computing
A100

A100's 19.5 TFLOPS FP32 outperforms TITAN Xp's 12.1 TFLOPS in simulations; NVLink aids multi-GPU HPC setups.

Frequently Asked Questions

Which GPU has more VRAM: A100 or TITAN Xp?

The A100 offers 40 to 80 GB HBM2e VRAM, compared to 12 GB GDDR5X on the TITAN Xp. This allows A100 to manage much larger models without swapping.

How does A100 FP16 performance compare to TITAN Xp?

A100 delivers 312 TFLOPS in FP16, a 25x increase over TITAN Xp's 12.1 TFLOPS. This boosts mixed-precision AI training speeds dramatically.

What is the memory bandwidth difference between A100 and TITAN Xp?

A100 provides 2039 GB/s bandwidth versus 548 GB/s on TITAN Xp. Higher bandwidth on A100 enables larger batch sizes and reduced latency.

Is TITAN Xp available on cloud GPU rentals?

No live cloud offers exist for TITAN Xp. A100 is available from $0.45 per hour, averaging $1.92 per hour across 57 providers.

Which has higher power consumption: A100 or TITAN Xp?

A100's TDP is 400W, higher than TITAN Xp's 250W. The extra power supports A100's superior 312 TFLOPS FP16 performance.

Can TITAN Xp use NVLink interconnect?

TITAN Xp lacks NVLink support, relying solely on PCIe. A100 includes NVLink, PCIe 4.0, and InfiniBand for advanced multi-GPU connectivity.

Which is cheaper to rent, the A100 or the TITAN Xp?

Cloud rental prices for both the A100 and TITAN Xp 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 A100 have compared to the TITAN Xp?

The A100 has 40 to 80 GB of HBM2e memory. The TITAN Xp has 12 GB of GDDR5X memory.

Can I find A100 and TITAN Xp 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 A100 and the TITAN Xp?

The A100 uses the Ampere architecture (2020) while the TITAN Xp uses Pascal (2017). The A100 delivers 25.8x the FP16 throughput and 3.7x the memory bandwidth of the TITAN Xp.