Quadro P4000 vs RTX A4000

PascalvsAmpereUpdated 35 days ago

The RTX A4000 emerges as the clear winner for most use cases. Its 3.6x compute advantage, doubled VRAM, and superior bandwidth at half the average hourly cost of $0.31 versus $0.51 justify selection for machine learning and rendering. Only niche power-limited legacy setups favor the P4000.

Quadro P4000 from $0.51/hrRTX A4000 from $0.08/hr

Specifications Compared

SpecQUADRO-P4000RTX-A4000
TDP105W140W
VRAM8 GB16 GB
CUDA Cores1,7926,144
Memory TypeGDDR5GDDR6
ArchitecturePascalAmpere
Form FactorsPCIePCIe
Interconnect
FP16 Performance5.3 TFLOPS19.2 TFLOPS
FP32 Performance5.3 TFLOPS19.2 TFLOPS
Memory Bandwidth243 GB/s448 GB/s

Performance Analysis

The RTX A4000 outperforms the Quadro P4000 by a factor of 3.6 in raw compute: 19.2 TFLOPS versus 5.3 TFLOPS in both FP16 and FP32. This delta accelerates machine learning training and inference significantly, as FP16 enables faster half-precision computations common in deep learning frameworks. Real-world training times shrink proportionally, allowing models to converge quicker on the A4000.

Memory specifications favor the A4000 decisively: 16 GB GDDR6 VRAM supports larger models and batch sizes compared to the P4000's 8 GB GDDR5. The 448 GB/s bandwidth, almost double the P4000's 243 GB/s, reduces data transfer bottlenecks during high-throughput inference or training with big batches. This prevents out-of-memory errors and improves throughput in memory-intensive tasks.

Power draw reflects performance scaling: the A4000's 140W TDP versus 105W demands more cooling but delivers efficiency gains per watt in modern workloads.

Live Cloud Pricing

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

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

RTX A4000

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA RTX A4000
16GB VRAM
$0.08/GPU/hr
Available
Vast.ai
Vast.ai
8×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$1.17/hr total (8×)
Available
Hyperstack
Hyperstack
4×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$0.60/hr total (4×)
Available
Hyperstack
Hyperstack
2×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$0.30/hr total (2×)
Available
Hyperstack
Hyperstack
NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
Available

Compare real-time pricing across 25+ providers

When to Choose the Quadro P4000

The Quadro P4000 suits scenarios with strict power constraints: its 105W TDP consumes 25% less energy than the A4000's 140W. Legacy software optimized for Pascal architecture, such as older CAD or visualization tools, runs natively without recompilation. At $0.51 per hour average across 6 stable offers, it provides predictable pricing for low-volume, intermittent professional viz tasks where high-end Ampere features remain unused.

When to Choose the RTX A4000

The RTX A4000 excels in demanding compute workloads: 19.2 TFLOPS FP16/FP32 and 16 GB VRAM handle large-scale ML training and inference effortlessly. Superior 448 GB/s bandwidth supports bigger batch sizes, ideal for Stable Diffusion or LLM fine-tuning. Cloud pricing from $0.08 per hour average $0.31 across 28 offers delivers unmatched value for production environments.

Use Cases

LLM Training
RTX A4000

The RTX A4000's 19.2 TFLOPS FP16 and 16 GB VRAM enable training larger models with bigger batches than the P4000's 5.3 TFLOPS and 8 GB. Bandwidth of 448 GB/s versus 243 GB/s minimizes stalls.

LLM Inference
RTX A4000

Inference benefits from the A4000's 3.6x higher 19.2 TFLOPS FP16 for low-latency serving. 16 GB VRAM accommodates multiple concurrent requests without swapping.

Fine-tuning
RTX A4000

Fine-tuning demands high FP32 throughput: A4000's 19.2 TFLOPS doubles effective capacity over P4000's 5.3 TFLOPS. Extra VRAM supports gradient accumulation on mid-sized LLMs.

Stable Diffusion
RTX A4000

Stable Diffusion requires ample VRAM for high-resolution generation: 16 GB on A4000 versus 8 GB on P4000 avoids limitations. 448 GB/s bandwidth speeds texture loading.

Scientific Computing
RTX A4000

Scientific simulations leverage FP32: A4000's 19.2 TFLOPS processes datasets faster than P4000's 5.3 TFLOPS. Higher bandwidth handles large arrays efficiently.

Frequently Asked Questions

Which GPU has more VRAM?

The RTX A4000 provides 16 GB GDDR6 VRAM, double the Quadro P4000's 8 GB GDDR5. This allows the A4000 to load larger models without issues. Batch sizes increase accordingly in ML tasks.

How do their compute performances compare?

The RTX A4000 delivers 19.2 TFLOPS in FP16 and FP32, 3.6 times the Quadro P4000's 5.3 TFLOPS. Training and inference run much faster on the A4000. Real-world speedups align with this ratio.

What is the price difference in the cloud?

RTX A4000 pricing starts at $0.08 per hour with $0.31 average across 28 offers. Quadro P4000 is $0.51 per hour average over 6 offers. A4000 offers better value for compute-intensive jobs.

Which has higher memory bandwidth?

RTX A4000 bandwidth reaches 448 GB/s, 84% higher than Quadro P4000's 243 GB/s. This boosts data-heavy workloads like large-batch training. Bottlenecks reduce on the A4000.

Are they compatible with the same form factors?

Both GPUs use PCIe form factors for easy integration. No interconnect differences exist. They fit standard cloud or on-prem servers equally.

Which is more power efficient?

Quadro P4000 TDP is 105W, lower than RTX A4000's 140W. P4000 suits power-capped environments. A4000 provides more performance per watt in FP16 tasks.

Which is cheaper to rent, the Quadro P4000 or the RTX A4000?

Cloud rental prices for both the Quadro P4000 and RTX A4000 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 Quadro P4000 have compared to the RTX A4000?

The Quadro P4000 has 8 GB of GDDR5 memory. The RTX A4000 has 16 GB of GDDR6 memory.

Can I find Quadro P4000 and RTX A4000 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 Quadro P4000 and the RTX A4000?

The Quadro P4000 uses the Pascal architecture (2017) while the RTX A4000 uses Ampere (2021). The RTX A4000 delivers 3.6x the FP16 throughput and 1.8x the memory bandwidth of the Quadro P4000.