A100 SXM4 40GB vs Quadro P4000

AmperevsPascalUpdated 35 days ago

The A100 SXM4 40GB emerges as the clear winner for modern GPU cloud usage: its 312 TFLOPS FP16, 40 GB VRAM, and 2039 GB/s bandwidth dominate AI training and inference, dwarfing the P4000's 5.3 TFLOPS and 8 GB across all high-compute scenarios. Only ultra-budget, low-demand tasks justify the older Pascal card.

A100 SXM4 40GB from $0.73/hrQuadro P4000 from $0.51/hr

Specifications Compared

SpecA100QUADRO-P4000
TDP400W105W
VRAM40-80 GB8 GB
CUDA Cores6,9121,792
Memory TypeHBM2eGDDR5
ArchitectureAmperePascal
Form FactorsSXM4, PCIePCIe
InterconnectNVLink, PCIe 4.0, InfiniBand
Tensor Cores432
FP16 Performance312 TFLOPS5.3 TFLOPS
FP32 Performance19.5 TFLOPS5.3 TFLOPS
FP64 Performance9.7 TFLOPS
INT8 Performance624 TOPS
Memory Bandwidth2,039 GB/s243 GB/s

Performance Analysis

The A100 SXM4 40GB vastly outperforms the Quadro P4000 in compute-intensive tasks: its 312 TFLOPS FP16 capability, compared to 5.3 TFLOPS, accelerates deep learning training where half-precision dominates, reducing epochs by orders of magnitude. The P4000's equal 5.3 TFLOPS FP16 and FP32 suits general-purpose rendering but falters in tensor core-optimized AI, where A100's FP32 at 19.5 TFLOPS still triples the P4000. This delta means A100 trains models like large transformers in hours, while P4000 struggles with even modest datasets.

Memory specs define workload feasibility: A100's 40 GB HBM2e and 2039 GB/s bandwidth support batch sizes up to 10x larger than P4000's 8 GB GDDR5 at 243 GB/s, minimizing data loading bottlenecks in inference. High bandwidth prevents out-of-memory errors for 20+ billion parameter models on A100, whereas P4000 limits users to small batches or low-resolution tasks. Power draw reflects this: A100's 400W TDP demands robust cooling, contrasting P4000's efficient 105W for edge deployments.

Inference benefits most from A100's tensor cores, enabling 50+ tokens per second on LLMs versus P4000's sub-5 tokens, transforming real-time applications.

Live Cloud Pricing

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

A100 SXM4 40GB

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
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
2×NVIDIA A100 SXM4 80GB
80GB VRAM
$1.00/GPU/hr
$2.00/hr total (2×)
Available
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$1.07/GPU/hr
Available
Denvr
Denvr
4×NVIDIA A100 PCIe 80GB
80GB VRAM
$1.15/GPU/hr
$4.60/hr total (4×)

Quadro P4000

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Paperspace
Paperspace
NVIDIA Quadro P4000
8GB VRAM
$0.51/GPU/hr
Available
Paperspace
Paperspace
2×NVIDIA Quadro P4000
8GB VRAM
$0.51/GPU/hr
$1.02/hr total (2×)
Available
Paperspace
Paperspace
2×NVIDIA Quadro P4000
8GB VRAM
$0.51/GPU/hr
$1.02/hr total (2×)
Available
Paperspace
Paperspace
NVIDIA Quadro P4000
8GB VRAM
$0.51/GPU/hr
Available
Paperspace
Paperspace
NVIDIA Quadro P4000
8GB VRAM
$0.51/GPU/hr
Available

Compare real-time pricing across 25+ providers

When to Choose the A100 SXM4 40GB

Select the A100 SXM4 40GB for demanding AI workloads: its 312 TFLOPS FP16 and 40 GB VRAM excel in training large language models or fine-tuning with datasets exceeding 8 GB. Multi-GPU setups via NVLink suit distributed computing, unavailable on P4000. Cloud users prioritizing speed over cost, at $1.00 per hour starting price, benefit from 2039 GB/s bandwidth for high-throughput inference.

When to Choose the Quadro P4000

The Quadro P4000 fits budget visualization or light CAD: its 105W TDP and $0.51 per hour pricing enable low-power, cost-effective cloud instances for rendering at 5.3 TFLOPS FP32. Users with 8 GB-limited tasks, like basic simulations or prototyping, avoid A100's 400W overhead. Legacy Pascal software runs natively without Ampere-specific optimizations.

Use Cases

LLM Training
A100 SXM4 40GB

A100's 40 GB HBM2e VRAM and 312 TFLOPS FP16 handle massive parameter counts and large batches, while P4000's 8 GB GDDR5 causes out-of-memory failures.

LLM Inference
A100 SXM4 40GB

2039 GB/s bandwidth on A100 supports high-throughput serving at 50+ tokens per second; P4000's 243 GB/s limits it to small models.

Fine-tuning
A100 SXM4 40GB

A100's 19.5 TFLOPS FP32 and tensor cores speed convergence on datasets over 8 GB; P4000 lacks capacity for all but toy models.

Stable Diffusion
A100 SXM4 40GB

40 GB VRAM enables high-resolution generations without swapping; P4000's 8 GB restricts to low-res or fails on full models.

Scientific Computing
A100 SXM4 40GB

A100's NVLink and PCIe 4.0 scale simulations across nodes with 312 TFLOPS FP16; P4000 suits single-node, small-scale only.

Frequently Asked Questions

What is the VRAM difference between A100 SXM4 40GB and Quadro P4000?

The A100 SXM4 40GB provides 40 GB HBM2e VRAM, far exceeding the Quadro P4000's 8 GB GDDR5. This allows A100 to manage larger models and batches. P4000 suffices for modest workloads under 8 GB.

How do cloud prices compare for these GPUs?

A100 SXM4 40GB starts at $1.00 per hour, averaging $2.63 across five offers. Quadro P4000 is $0.51 per hour average across six offers. Price reflects A100's superior performance.

What are the FP16 performance differences?

A100 delivers 312 TFLOPS FP16, over 58 times the Quadro P4000's 5.3 TFLOPS. This gap accelerates AI training significantly. P4000 performs adequately for non-ML tasks.

Which has higher power consumption?

A100 SXM4 40GB requires 400W TDP, compared to Quadro P4000's 105W. A100 needs data center cooling. P4000 fits low-power environments.

Can Quadro P4000 handle machine learning?

Quadro P4000 offers 5.3 TFLOPS FP16 and 8 GB VRAM for basic ML prototyping. It cannot compete with A100's 312 TFLOPS and 40 GB for production-scale training or inference.

What architectures do they use?

A100 uses Ampere from 2020 with tensor cores. Quadro P4000 uses Pascal from 2017 without advanced AI features. This generational difference impacts modern workloads.

Which is cheaper to rent, the A100 or the Quadro P4000?

Cloud rental prices for both the A100 and Quadro P4000 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 Quadro P4000?

The A100 has 40 to 80 GB of HBM2e memory. The Quadro P4000 has 8 GB of GDDR5 memory.

Can I find A100 and Quadro P4000 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 Quadro P4000?

The A100 uses the Ampere architecture (2020) while the Quadro P4000 uses Pascal (2017). The A100 delivers 58.9x the FP16 throughput and 8.4x the memory bandwidth of the Quadro P4000.

A100 SXM4 40GB vs Quadro P4000: 80GB vs 8GB | GPUPerHour