GPU comparison

RTX A2000 vs RTX A4000

Specifications and current cloud pricing, side by side.

AmperevsAmpereUpdated 32 days ago

The RTX A4000 wins for the most common use case of LLM inference. Its 19.2 TFLOPS FP32 rating and 153.4 TFLOPS FP16 rating with sparsity together with 448 GB/s bandwidth deliver higher throughput than the RTX A2000 specifications.

RTX A2000 listed from $0.50/GPU/hrRTX A4000 listed from $0.76/GPU/hr

Right now, from live stock

  • Cheapest right now: RTX A4000 at $0.76/hr on Paperspace

    Deploy
  • Most providers in stock: RTX A4000 (1)

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Specifications Compared

SpecRTX A2000RTX A4000
TDP70W140W
VRAM6-12 GB16-20 GB
CUDA Cores3,3286,144
Memory TypeGDDR6GDDR6
ArchitectureAmpereAmpere
Form FactorsPCIePCIe
InterconnectPCIe 4.0PCIe 4.0
Tensor Cores104192
FP32 Performance8 TFLOPS19.2 TFLOPS
Memory Bandwidth288 GB/s448 GB/s
FP16 (with sparsity)63.9 TFLOPS153.4 TFLOPS

Performance Analysis

The FP32 rating reaches 19.2 TFLOPS on the RTX A4000 and 8 TFLOPS on the RTX A2000. The FP16 figure with sparsity reaches 153.4 TFLOPS on the RTX A4000 and 63.9 TFLOPS on the RTX A2000. The 2.4 times higher FP32 value and the 2.4 times higher FP16 value with sparsity on the RTX A4000 translate to faster matrix operations during both training and inference passes. Memory bandwidth of 448 GB/s on the RTX A4000 versus 288 GB/s on the RTX A2000 supports larger batch sizes before memory capacity limits are reached.

Current On-Demand Offers

Cheapest secure on-demand offer per provider that is reported in stock right now, per GPU per hour; multi-GPU instances show the whole-instance price alongside. Deploy opens the DeployGPU console for providers on the platform, otherwise the provider's own site. Stock is rechecked every minute.

RTX A2000

RTX A2000 is not offered on-demand by any provider we track right now. See the RTX A2000 rental page for last-seen listed prices and a price alert.

RTX A4000

ProviderRegionGPUsPer GPU / hrInstance / hrDeploy
Paperspaceny22$0.76$1.52Deploy

1 provider in stock, 6 offers (cheapest per provider shown). All RTX A4000 offers, price history and alerts

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When to Choose the RTX A2000

The RTX A2000 suits deployments where total system power must stay near 70W. Its 6-12 GB GDDR6 VRAM and 288 GB/s bandwidth handle moderate inference tasks without exceeding those limits. Edge or desktop installations with constrained cooling also favor this configuration.

When to Choose the RTX A4000

Its 16-20 GB GDDR6 VRAM and 448 GB/s bandwidth accommodate larger models and higher batch sizes. Multi user server environments commonly select this option for the added throughput.

Use Cases

LLM Training
RTX A4000

The RTX A4000 provides 19.2 TFLOPS FP32 and 153.4 TFLOPS FP16 with sparsity against 8 TFLOPS and 63.9 TFLOPS on the RTX A2000.

LLM Inference
RTX A4000

The RTX A4000 supplies 448 GB/s memory bandwidth and 16-20 GB GDDR6 VRAM for larger batch handling than the 288 GB/s and 6-12 GB on the RTX A2000.

Fine-tuning
RTX A4000

The 2.4 times advantage in both FP32 and FP16 with sparsity on the RTX A4000 accelerates gradient updates over the RTX A2000.

Stable Diffusion
Either

Both GPUs share Ampere architecture and PCIe 4.0 interconnect while the RTX A2000 70W TDP fits power limited setups and the RTX A4000 handles higher resolutions.

Scientific Computing
RTX A4000

The RTX A4000 19.2 TFLOPS FP32 rating supports compute intensive simulations beyond the 8 TFLOPS of the RTX A2000.

Frequently Asked Questions

What FP32 performance do the RTX A2000 and RTX A4000 deliver?▾

The RTX A2000 reaches 8 TFLOPS FP32 while the RTX A4000 reaches 19.2 TFLOPS FP32.

How does memory bandwidth differ between these two GPUs?▾

The RTX A2000 provides 288 GB/s memory bandwidth and the RTX A4000 provides 448 GB/s memory bandwidth.

What are the TDP values for the RTX A2000 and RTX A4000?▾

The RTX A2000 lists a 70W TDP and the RTX A4000 lists a 140W TDP.

Do both GPUs use the same interconnect?▾

Both the RTX A2000 and RTX A4000 use PCIe 4.0 interconnect in PCIe form factors.

What FP16 performance with sparsity is listed for each card?▾

The RTX A2000 lists 63.9 TFLOPS FP16 with sparsity and the RTX A4000 lists 153.4 TFLOPS FP16 with sparsity.

Which is cheaper to rent, the RTX A2000 or the RTX A4000?▾

Cloud rental prices for both the RTX A2000 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 RTX A2000 have compared to the RTX A4000?▾

The RTX A2000 has 6 to 12 GB of GDDR6 memory. The RTX A4000 has 16 to 20 GB of GDDR6 memory.

Can I find RTX A2000 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 RTX A2000 and the RTX A4000?▾

The RTX A2000 uses the Ampere architecture (2021) while the RTX A4000 uses Ampere (2021). The RTX A2000 has 6-12 GB of GDDR6 at 288 GB/s; the RTX A4000 has 16-20 GB of GDDR6 at 448 GB/s, so the RTX A4000 has 1.6x the memory bandwidth of the RTX A2000.

Rent these GPUs

Each GPU page lists every current on-demand offer by provider, per GPU-hour, updated every minute.

Related comparisons

How this page is made

  • Specifications come from the NVIDIA, AMD and Intel datasheets for the RTX A2000 and the RTX A4000. Dense and sparse throughput are listed separately.
  • Prices and availability are live: every offer shown is an in-stock, on-demand listing from a provider we track, rechecked every minute.
  • The written comparison (overview, performance notes, when to choose each card, verdict, use cases and FAQ) was drafted with an AI model from the specification table above and passed an automated check that rejects any figure not in that table. It was last generated on . It contains no prices; those are always read live.
  • Read how we collect the data, or report an error on this page.

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