GPU comparison

RTX 5090 vs RTX A5000

Specifications and current cloud pricing, side by side.

BlackwellvsAmpereUpdated 33 days ago

The RTX 5090 is the better choice for the most common use case of LLM inference because its 32 GB memory, 1792 GB/s bandwidth, and 209.5 TFLOPS FP16 dense performance exceed the corresponding specifications of the RTX A5000.

RTX 5090 from $0.85/GPU/hrRTX A5000 from $1.38/GPU/hr

Right now, from live stock

  • Cheapest right now: RTX 5090 at $0.85/hr on Vast.ai

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  • Most providers in stock: RTX 5090 (3)

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Specifications Compared

SpecRTX 5090RTX A5000
TDP575W230W
VRAM32 GB24 GB
CUDA Cores21,7608,192
FP4 (dense)1,676 TFLOPSNot published
FP8 (dense)419 TFLOPSNot published
Memory TypeGDDR7GDDR6
ArchitectureBlackwellAmpere
FP16 (dense)209.5 TFLOPSNot published
Form FactorsPCIePCIe
INT8 (dense)838 TOPSNot published
InterconnectPCIe 5.0NVLink, PCIe 4.0
Tensor Cores680256
FP32 Performance104.8 TFLOPS27.8 TFLOPS
FP64 Performance1.6 TFLOPSNot published
Memory Bandwidth1,792 GB/s768 GB/s
FP4 (with sparsity)3,352 TFLOPSNot published
FP8 (with sparsity)838 TFLOPSNot published
FP16 (with sparsity)419 TFLOPS222.2 TFLOPS
INT8 (with sparsity)1,676 TOPSNot published

Performance Analysis

The RTX 5090 delivers 209.5 TFLOPS FP16 dense performance while the RTX A5000 provides 222.2 TFLOPS FP16 with sparsity. This difference means the RTX 5090 supports larger batch sizes in dense FP16 operations compared to the RTX A5000 in sparse FP16 operations. Memory bandwidth of 1792 GB/s on the RTX 5090 versus 768 GB/s on the RTX A5000 allows the RTX 5090 to sustain higher data throughput during inference tasks. The 575W TDP of the RTX 5090 exceeds the 230W TDP of the RTX A5000, which affects power draw when scaling FP32 workloads at 104.8 TFLOPS versus 27.8 TFLOPS.

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 5090

ProviderRegionGPUsPer GPU / hrInstance / hrDeploy
Vast.aiCzechia, CZ2$0.85$1.70Deploy
RunPodglobal1$1.19—Deploy
LeaderGPUThe Netherlands1$2.29—Deploy

3 providers in stock, 8 offers (cheapest per provider shown). All RTX 5090 offers, price history and alerts

RTX A5000

ProviderRegionGPUsPer GPU / hrInstance / hrDeploy
Paperspaceams11$1.38—Deploy

1 provider in stock, 6 offers (cheapest per provider shown). All RTX A5000 offers, price history and alerts

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When to Choose the RTX 5090

The RTX 5090 suits scenarios that require 32 GB GDDR7 memory and 1792 GB/s bandwidth for large model handling. Its 209.5 TFLOPS FP16 dense rating and 104.8 TFLOPS FP32 rating provide advantages in single GPU setups that prioritize dense tensor operations over the RTX A5000 specifications.

When to Choose the RTX A5000

The RTX A5000 fits environments that operate within a 230W TDP limit and utilize NVLink interconnect with 24 GB GDDR6 memory. Its 27.8 TFLOPS FP32 rating and 222.2 TFLOPS FP16 with sparsity support tasks where lower power consumption takes precedence over the higher figures of the RTX 5090.

Use Cases

LLM Training
RTX 5090

The RTX 5090 provides 32 GB memory and 1792 GB/s bandwidth that exceed the 24 GB and 768 GB/s of the RTX A5000 for handling larger training batches.

LLM Inference
RTX 5090

The RTX 5090 supplies 209.5 TFLOPS FP16 dense performance and 32 GB memory that support higher throughput than the RTX A5000 222.2 TFLOPS FP16 with sparsity rating.

Fine-tuning
RTX 5090

The RTX 5090 104.8 TFLOPS FP32 rating and 1792 GB/s bandwidth enable faster parameter updates compared to the 27.8 TFLOPS FP32 of the RTX A5000.

Stable Diffusion
RTX 5090

The RTX 5090 32 GB GDDR7 memory and 419 TFLOPS FP8 dense performance allow larger image generation batches than the RTX A5000 specifications.

Scientific Computing
RTX A5000

The RTX A5000 230W TDP and NVLink interconnect suit sustained low-power scientific workloads better than the 575W TDP of the RTX 5090.

Frequently Asked Questions

What is the memory difference between the RTX 5090 and RTX A5000?▾

The RTX 5090 has 32 GB GDDR7 memory while the RTX A5000 has 24 GB GDDR6 memory. The bandwidth figures are 1792 GB/s versus 768 GB/s.

How do FP32 ratings compare on these GPUs?▾

The RTX 5090 lists 104.8 TFLOPS FP32. The RTX A5000 lists 27.8 TFLOPS FP32.

Which GPU has higher FP16 performance?▾

The RTX 5090 reaches 209.5 TFLOPS FP16 dense. The RTX A5000 reaches 222.2 TFLOPS FP16 with sparsity.

What are the TDP values for the RTX 5090 and RTX A5000?▾

The RTX 5090 TDP is 575W. The RTX A5000 TDP is 230W.

Do both GPUs support the same interconnect?▾

The RTX 5090 uses PCIe 5.0. The RTX A5000 uses NVLink and PCIe 4.0.

Which is cheaper to rent, the RTX 5090 or the RTX A5000?▾

Cloud rental prices for both the RTX 5090 and RTX A5000 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 5090 have compared to the RTX A5000?▾

The RTX 5090 has 32 GB of GDDR7 memory. The RTX A5000 has 24 GB of GDDR6 memory.

Can I find RTX 5090 and RTX A5000 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 5090 and the RTX A5000?▾

The RTX 5090 uses the Blackwell architecture (2025) while the RTX A5000 uses Ampere (2021). The RTX 5090 has 32 GB of GDDR7 at 1,792 GB/s; the RTX A5000 has 24 GB of GDDR6 at 768 GB/s, so the RTX 5090 has 2.3x the memory bandwidth of the RTX A5000.

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 5090 and the RTX A5000. 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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