Quadro RTX 6000 vs RTX A4000

TuringvsAmpereUpdated 35 days ago

The RTX A4000 emerges as the superior choice for most modern machine learning and rendering tasks: 19.2 TFLOPS outperforms the Quadro RTX 6000's 16.3 TFLOPS, while 140W TDP cuts energy costs versus 260W. Availability at $0.08 per hour in cloud environments further favors it over the unavailable Quadro RTX 6000 for production-scale deployments.

RTX A4000 from $0.08/hr

Specifications Compared

SpecQUADRO-RTX-6000RTX-A4000
TDP260W140W
VRAM24 GB16 GB
CUDA Cores4,6086,144
Memory TypeGDDR6GDDR6
ArchitectureTuringAmpere
Form FactorsPCIePCIe
InterconnectNVLink
Tensor Cores576192
FP16 Performance16.3 TFLOPS19.2 TFLOPS
FP32 Performance16.3 TFLOPS19.2 TFLOPS
Memory Bandwidth672 GB/s448 GB/s

Performance Analysis

The RTX A4000 demonstrates superior raw compute capability: its 19.2 TFLOPS in FP16 and FP32 exceeds the Quadro RTX 6000's 16.3 TFLOPS by 18 percent in both precisions. This advantage translates to faster model training and inference in machine learning pipelines, where FP32 handles general computations and FP16 accelerates tensor core operations. For deep learning frameworks like TensorFlow or PyTorch, the higher throughput reduces epoch times on compute-bound workloads.

Memory specifications favor the Quadro RTX 6000: 24 GB VRAM supports larger batch sizes or complex models that exceed the RTX A4000's 16 GB limit. Coupled with 672 GB/s bandwidth versus 448 GB/s, the Quadro RTX 6000 sustains higher data throughput, minimizing bottlenecks in memory-intensive scenarios such as high-resolution image processing or large-scale simulations. In practice, this enables training with batch sizes up to 50 percent larger on the Quadro RTX 6000 before out-of-memory errors occur.

Power efficiency tilts toward the RTX A4000, consuming 140W TDP compared to 260W, which lowers operational costs in dense server environments. Ampere's architectural refinements also improve software compatibility with modern CUDA versions, enhancing overall pipeline performance.

Live Cloud Pricing

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

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 RTX 6000

The Quadro RTX 6000 suits memory-constrained professional applications: its 24 GB GDDR6 VRAM handles datasets or models exceeding 16 GB, such as large-scale 3D rendering or scientific visualizations. NVLink interconnect enables seamless multi-GPU scaling for tasks requiring over 48 GB total memory. Users with existing Turing-optimized workflows benefit from its 672 GB/s bandwidth, which supports high-throughput data movement without upgrades.

When to Choose the RTX A4000

The RTX A4000 excels in cost-sensitive and power-limited deployments: cloud pricing starts at $0.08 per hour with an average of $0.31 per hour across 28 offers, making it accessible for scalable workloads. Its 19.2 TFLOPS FP16 and FP32 performance, paired with 140W TDP, delivers 18 percent faster compute than the Quadro RTX 6000 while halving power draw. Ampere architecture ensures better support for contemporary AI frameworks and inference serving.

Use Cases

LLM Training
Quadro RTX 6000

The Quadro RTX 6000's 24 GB VRAM accommodates larger language models during training, preventing out-of-memory issues common with the RTX A4000's 16 GB limit. Its 672 GB/s bandwidth sustains high batch sizes effectively.

LLM Inference
RTX A4000

RTX A4000's 19.2 TFLOPS FP16 performance enables faster inference throughput than the Quadro RTX 6000's 16.3 TFLOPS. Lower 140W TDP supports efficient serving at scale.

Fine-tuning
Either

Fine-tuning mid-sized models fits within both GPUs' capabilities, with RTX A4000 offering 19.2 TFLOPS speed and Quadro RTX 6000 providing 24 GB VRAM for larger datasets.

Stable Diffusion
RTX A4000

RTX A4000's Ampere architecture and 19.2 TFLOPS accelerate diffusion model generation faster than Turing's 16.3 TFLOPS. Cloud pricing from $0.08 per hour aids iterative experimentation.

Scientific Computing
Quadro RTX 6000

Quadro RTX 6000's 24 GB VRAM and NVLink handle memory-intensive simulations better than RTX A4000's 16 GB. Higher 672 GB/s bandwidth reduces data transfer delays in complex computations.

Frequently Asked Questions

Which GPU has more VRAM?

The Quadro RTX 6000 provides 24 GB GDDR6 VRAM, exceeding the RTX A4000's 16 GB. This difference matters for workloads like large model training. Users needing over 16 GB should select the Quadro RTX 6000.

What are the FP32 performance differences?

RTX A4000 delivers 19.2 TFLOPS FP32, 18 percent higher than Quadro RTX 6000's 16.3 TFLOPS. This boosts training and simulation speeds. FP16 matches this delta at 19.2 versus 16.3 TFLOPS.

How do power consumptions compare?

RTX A4000 uses 140W TDP, half of Quadro RTX 6000's 260W. Lower power reduces cooling needs and costs in multi-GPU setups. Efficiency favors RTX A4000 for dense deployments.

Is cloud pricing available for these GPUs?

RTX A4000 offers from $0.08 per hour, averaging $0.31 per hour across 28 providers. Quadro RTX 6000 has no live offers currently. This makes RTX A4000 more accessible for testing.

Which architecture is newer?

RTX A4000 uses Ampere from 2021, succeeding Quadro RTX 6000's Turing from 2018. Ampere improves CUDA compatibility and tensor performance. Newer software optimizes better for RTX A4000.

Does either support multi-GPU interconnects?

Quadro RTX 6000 includes NVLink for high-speed multi-GPU communication. RTX A4000 lacks a listed interconnect, relying on PCIe. NVLink benefits scaled simulations on Quadro RTX 6000.

Which is cheaper to rent, the Quadro RTX 6000 or the RTX A4000?

Cloud rental prices for both the Quadro RTX 6000 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 RTX 6000 have compared to the RTX A4000?

The Quadro RTX 6000 has 24 GB of GDDR6 memory. The RTX A4000 has 16 GB of GDDR6 memory.

Can I find Quadro RTX 6000 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 RTX 6000 and the RTX A4000?

The Quadro RTX 6000 uses the Turing architecture (2018) while the RTX A4000 uses Ampere (2021). The RTX A4000 delivers 1.2x the FP16 throughput and 1.5x the memory bandwidth of the Quadro RTX 6000.

Quadro RTX 6000 vs RTX A4000: 24GB GDDR6 vs 16GB GDDR6 | GPUPerHour