A100 PCIe 40GB vs TITAN V

AmperevsVoltaUpdated 35 days ago

The NVIDIA A100 PCIe 40GB emerges as the clear winner for most use cases, particularly AI training and inference. Its 312 TFLOPS FP16, 40 GB VRAM, and 2039 GB/s bandwidth vastly outperform TITAN V's 13.8 TFLOPS, 12 GB, and 653 GB/s, justifying $0.60 per hour cloud pricing for contemporary demands.

A100 PCIe 40GB from $0.73/hr

Specifications Compared

SpecA100TITAN-V
TDP400W250W
VRAM40-80 GB12 GB
CUDA Cores6,9125,120
Memory TypeHBM2eHBM2
ArchitectureAmpereVolta
Form FactorsSXM4, PCIePCIe
InterconnectNVLink, PCIe 4.0, InfiniBand
Tensor Cores432640
FP16 Performance312 TFLOPS13.8 TFLOPS
FP32 Performance19.5 TFLOPS13.8 TFLOPS
FP64 Performance9.7 TFLOPS6.9 TFLOPS
INT8 Performance624 TOPS
Memory Bandwidth2,039 GB/s653 GB/s

Performance Analysis

Compute performance favors the A100 decisively in AI tasks: FP16 throughput reaches 312 TFLOPS on A100 compared to 13.8 TFLOPS on TITAN V, accelerating mixed-precision training by over 22 times. FP32 performance is closer at 19.5 TFLOPS for A100 versus 13.8 TFLOPS for TITAN V, yet still superior for general computing. This FP16/FP32 delta means A100 excels in training deep neural networks where half-precision dominates, reducing time for large models. The 2039 GB/s bandwidth of A100 supports larger batch sizes than TITAN V's 653 GB/s, minimizing data transfer bottlenecks in inference pipelines. VRAM disparity, 40 GB versus 12 GB, allows A100 to handle models exceeding 12 GB without splitting, vital for LLMs. Higher 400W TDP reflects A100's capability for sustained high loads, unlike TITAN V's 250W limit.

Live Cloud Pricing

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

A100 PCIe 40GB

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
$1.00/GPU/hr
Available
Denvr
Denvr
4×NVIDIA A100 PCIe 80GB
80GB VRAM
$1.15/GPU/hr
$4.60/hr total (4×)

Compare real-time pricing across 25+ providers

When to Choose the A100 PCIe 40GB

Choose the NVIDIA A100 PCIe 40GB for demanding AI workloads like LLM training or inference requiring 312 TFLOPS FP16 and 40 GB VRAM. Its 2039 GB/s bandwidth enables large batch sizes, and cloud availability from $0.60 per hour across 11 offers provides scalability via NVLink and PCIe 4.0. Datacenter form factors suit enterprise deployments.

When to Choose the TITAN V

Opt for the NVIDIA TITAN V if possessing existing hardware with 12 GB HBM2 and 250W TDP for low-power setups. It matches FP32 at 13.8 TFLOPS adequately for scientific simulations or lighter inference without cloud costs. PCIe form factor fits legacy consumer workstations lacking modern interconnects.

Use Cases

LLM Training
A100 PCIe 40GB

A100's 312 TFLOPS FP16 and 40 GB VRAM handle massive models, far exceeding TITAN V's 13.8 TFLOPS and 12 GB.

LLM Inference
A100 PCIe 40GB

2039 GB/s bandwidth on A100 supports high-throughput inference with large batches, unlike TITAN V's 653 GB/s limit.

Fine-tuning
A100 PCIe 40GB

A100's superior FP16 at 312 TFLOPS accelerates fine-tuning of large models fitting in 40 GB VRAM.

Stable Diffusion
A100 PCIe 40GB

40 GB VRAM and 312 TFLOPS FP16 on A100 enable high-resolution generation without memory constraints of TITAN V's 12 GB.

Scientific Computing
Either

TITAN V's 13.8 TFLOPS FP32 suffices for many simulations at 250W TDP; A100's 19.5 TFLOPS adds edge for intensive tasks.

Frequently Asked Questions

What is the VRAM difference between A100 PCIe 40GB and TITAN V?

A100 provides 40 GB HBM2e, while TITAN V offers 12 GB HBM2. This allows A100 to load larger models without partitioning. Bandwidth reaches 2039 GB/s on A100 versus 653 GB/s on TITAN V.

How do FP16 performances compare?

A100 achieves 312 TFLOPS FP16, over 22 times TITAN V's 13.8 TFLOPS. This boosts AI training speed significantly. FP32 is 19.5 TFLOPS on A100 against 13.8 TFLOPS on TITAN V.

What are the power requirements?

A100 has a 400W TDP, higher than TITAN V's 250W. A100 suits datacenter cooling, while TITAN V fits consumer power supplies. Both use PCIe form factors.

Is TITAN V available in the cloud?

No live offers exist for TITAN V currently. A100 PCIe 40GB starts at $0.60 per hour, averaging $1.85 per hour across 11 providers. This makes A100 accessible for rentals.

Which GPU has better interconnects?

A100 supports NVLink, PCIe 4.0, and InfiniBand for multi-GPU scaling. TITAN V lacks specified advanced interconnects. A100's options enhance cluster performance.

When was each GPU released?

A100 uses Ampere architecture from 2020. TITAN V employs Volta from 2017. The three-year gap reflects A100's advancements in VRAM and compute.

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

Cloud rental prices for both the A100 and TITAN V 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 V?

The A100 has 40 to 80 GB of HBM2e memory. The TITAN V has 12 GB of HBM2 memory.

Can I find A100 and TITAN V 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 V?

The A100 uses the Ampere architecture (2020) while the TITAN V uses Volta (2017). The A100 delivers 22.6x the FP16 throughput and 3.1x the memory bandwidth of the TITAN V.

A100 PCIe 40GB vs TITAN V: 22.6x FP16 Gap, 80GB vs 12GB | GPUPerHour