Specifications Compared
| Spec | A100 | TITAN-XP |
|---|---|---|
| TDP | 400W | 250W |
| VRAM | 40-80 GB | 12 GB |
| CUDA Cores | 6,912 | 3,840 |
| Memory Type | HBM2e | GDDR5X |
| Architecture | Ampere | Pascal |
| Form Factors | SXM4, PCIe | PCIe |
| Interconnect | NVLink, PCIe 4.0, InfiniBand | |
| Tensor Cores | 432 | |
| FP16 Performance | 312 TFLOPS | 12.1 TFLOPS |
| FP32 Performance | 19.5 TFLOPS | 12.1 TFLOPS |
| FP64 Performance | 9.7 TFLOPS | |
| INT8 Performance | 624 TOPS | |
| Memory Bandwidth | 2,039 GB/s | 548 GB/s |
Performance Analysis
FP16 performance defines a core advantage for the A100 at 312 TFLOPS over the TITAN Xp's 12.1 TFLOPS, accelerating deep learning training and inference where half-precision dominates. This translates to over 25 times faster processing for models optimized in FP16, common in modern frameworks like TensorFlow or PyTorch. FP32 rates of 19.5 TFLOPS on the A100 exceed the TITAN Xp's 12.1 TFLOPS by 61 percent, aiding scientific simulations and general compute.
Memory bandwidth of 2039 GB/s on the A100 enables larger batch sizes and quicker data transfers than the TITAN Xp's 548 GB/s, which is crucial for memory-bound tasks like image generation or large dataset processing. The A100's 40 GB VRAM supports models up to that size without swapping, while 12 GB on the TITAN Xp constrains workloads to smaller scales. Higher TDP of 400W on the A100 correlates with sustained peak performance under load, unlike the 250W TITAN Xp suited for intermittent use.
Overall, these specs position the A100 for enterprise-scale AI, where the TITAN Xp handles entry-level or hobbyist applications.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
A100 PCIe 40GB
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 Vast.ai | NVIDIA A100 SXM4 80GB 80GB VRAM | 80GB | 256 vCPU 63GB RAM 397GB Storage | Slovenia | $0.73/GPU/hr | Available | ||
 LeaderGPU | 8×NVIDIA A100 PCIe 80GB 80GB VRAM | 80GB | 64 vCPU 384GB RAM 2000GB Storage | Netherlands | $0.90/GPU/hr $7.20/hr total (8×) | Available | ||
Vast.ai | 2×NVIDIA A100 SXM4 80GB 80GB VRAM | 80GB | 64 vCPU 126GB RAM 1114GB Storage | Czechia | $1.00/GPU/hr $2.00/hr total (2×) | Available | ||
Vast.ai | NVIDIA A100 SXM4 80GB 80GB VRAM | 80GB | 64 vCPU 63GB RAM 646GB Storage | Czechia | $1.07/GPU/hr | Available | ||
 Denvr | 8×NVIDIA A100 SXM4 80GB 80GB VRAM | 80GB | 128 vCPU 1024GB RAM 15200GB Storage | Virginia | $1.15/GPU/hr $9.20/hr total (8×) |
When to Choose the A100 PCIe 40GB
Professionals select the A100 PCIe 40GB for demanding AI tasks exceeding 12 GB VRAM, such as training large language models with its 312 TFLOPS FP16 and 2039 GB/s bandwidth. Cloud access from $0.60 per hour across 11 providers supports scalable, on-demand deployments without upfront hardware costs. Its PCIe 4.0 and NVLink interconnects enhance multi-GPU setups for HPC.
Inference on production models benefits from the 40 GB capacity, avoiding the TITAN Xp's memory limitations.
When to Choose the TITAN Xp
Users opt for the TITAN Xp in cost-sensitive, low-demand scenarios fitting within 12 GB VRAM and 12.1 TFLOPS performance, like basic model fine-tuning or gaming. Its 250W TDP and PCIe form factor integrate easily into consumer desktops without high power infrastructure. Absence of cloud offers favors on-premise ownership for legacy Pascal-compatible software.
Hobbyists avoid rental fees by leveraging existing TITAN Xp hardware for non-intensive compute.
Use Cases
A100's 40 GB VRAM and 312 TFLOPS FP16 support massive models; TITAN Xp's 12 GB GDDR5X causes out-of-memory issues.
High 2039 GB/s bandwidth on A100 enables large batch inference; TITAN Xp's 548 GB/s limits throughput.
A100's 19.5 TFLOPS FP32 outperforms TITAN Xp's 12.1 TFLOPS for efficient parameter updates on medium models.
TITAN Xp's 12 GB suffices for standard resolutions at 12.1 TFLOPS; A100's extra capacity aids high-res or batch jobs.
A100's 40 GB VRAM and PCIe 4.0 handle large simulations; TITAN Xp lacks interconnects for clusters.
Frequently Asked Questions
What is the VRAM difference between A100 PCIe 40GB and TITAN Xp?▾
The A100 provides 40 GB HBM2e VRAM, while the TITAN Xp offers 12 GB GDDR5X. This gap allows the A100 to load models three times larger without issues. Memory bandwidth further differs at 2039 GB/s for A100 versus 548 GB/s.
How does FP16 performance compare on A100 vs TITAN Xp?▾
A100 achieves 312 TFLOPS in FP16, over 25 times the TITAN Xp's 12.1 TFLOPS. This boosts AI training speed significantly. FP32 rates are 19.5 TFLOPS on A100 against 12.1 TFLOPS.
Is A100 available on cloud but TITAN Xp not?▾
Cloud pricing for A100 PCIe 40GB starts at $0.60 per hour, averaging $1.85 per hour across 11 offers. No live cloud offers exist for TITAN Xp. This makes A100 ideal for rental access.
What are the power requirements for these GPUs?▾
A100 has a 400W TDP, suited for datacenter cooling. TITAN Xp draws 250W, fitting consumer PSUs. Higher TDP on A100 enables sustained peak performance.
Which GPU wins for machine learning training?▾
A100 dominates with 312 TFLOPS FP16 and 40 GB VRAM for large models. TITAN Xp's 12.1 TFLOPS and 12 GB limit it to small-scale training. Bandwidth of 2039 GB/s on A100 supports bigger batches.
Can TITAN Xp handle modern AI workloads?▾
TITAN Xp manages basic tasks within 12 GB VRAM at 12.1 TFLOPS. It struggles with models over 12 GB or needing high FP16. A100's specs provide future-proofing.
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.