Specifications Compared
| Spec | L40S | RTX A4500 |
|---|---|---|
| TDP | 350W | 140W |
| VRAM | 48 GB | 20 GB |
| CUDA Cores | 18,176 | 6,144 |
| FP8 (dense) | 733 TFLOPS | Not published |
| Memory Type | GDDR6 | GDDR6 |
| Architecture | Ada Lovelace | Ampere |
| FP16 (dense) | 362.05 TFLOPS | Not published |
| Form Factors | PCIe | PCIe |
| INT8 (dense) | 733 TOPS | Not published |
| Interconnect | PCIe 4.0 | Not published |
| Tensor Cores | 568 | 192 |
| FP32 Performance | 91.6 TFLOPS | 19.2 TFLOPS |
| FP64 Performance | 1.4 TFLOPS | Not published |
| Memory Bandwidth | 864 GB/s | 448 GB/s |
| FP8 (with sparsity) | 1,466 TFLOPS | Not published |
| FP16 (with sparsity) | 733 TFLOPS | Not published |
| INT8 (with sparsity) | 1,466 TOPS | Not published |
| FP16 (vendor figure, sparsity not specified) | Not published | 19.2 TFLOPS |
Performance Analysis
The L40S reports dense FP16 performance at 362.05 TFLOPS compared with the RTX A4500 FP16 figure of 19.2 TFLOPS. This gap means the L40S processes matrix operations more than eighteen times faster in dense mode during training or inference steps. The RTX A4500 FP32 rating stands at 19.2 TFLOPS against the L40S FP32 rating of 91.6 TFLOPS. Memory bandwidth of 864 GB/s on the L40S family supports larger batch sizes than the 448 GB/s available on the RTX A4500 family. The L40S also lists dense FP8 at 733 TFLOPS and dense INT8 at 733 TOPS while the RTX A4500 provides no equivalent sparsity labeled figures.
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.
L40S
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| Massed Compute | us-central-3 | 2 | $0.97 | $1.94 | Deploy |
| RunPod | global | 1 | $1.09 | — | Deploy |
| QuantaCloud | us-midwest-1 | 1 | $1.09 | — | Deploy |
| Ori | lille-4 | 1 | $1.55 | — | Deploy |
| Lyceum | Europe | 1 | $1.99 | — | Deploy |
5 providers in stock, 16 offers (cheapest per provider shown). All L40S offers, price history and alerts
RTX A4500
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| Paperspace | ny2 | 2 | $0.76 | $1.52 | Deploy |
1 provider in stock, 6 offers (cheapest per provider shown). All RTX A4500 offers, price history and alerts
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When to Choose the L40S
Its 864 GB/s bandwidth enables larger batch processing than the RTX A4500 alternative. Workloads involving FP8 or INT8 operations gain from the 733 TFLOPS dense ratings shared across the L40S family.
When to Choose the RTX A4500
The RTX A4500 variant fits inference tasks where 140 W TDP keeps power draw lower than the 350 W TDP of the L40S family. Its 20 GB memory capacity handles moderate model sizes without excess overhead. Scientific computing jobs that rely on 19.2 TFLOPS FP32 performance operate efficiently within this power envelope.
Use Cases
The L40S supplies 48 GB memory and 362.05 TFLOPS dense FP16 that accommodate large models and batches.
The L40S 864 GB/s bandwidth and 733 TFLOPS dense FP8 rating sustain higher token throughput than the RTX A4500.
The L40S 48 GB capacity and 91.6 TFLOPS FP32 rating handle gradient updates on sizable datasets.
The L40S 362.05 TFLOPS dense FP16 performance accelerates image generation steps beyond the 19.2 TFLOPS of the RTX A4500.
The RTX A4500 140 W TDP and 19.2 TFLOPS FP32 rating suit sustained simulations at lower power.
Frequently Asked Questions
What memory capacities distinguish the L40S from the RTX A4500?▾
The L40S variant holds 48 GB GDDR6 while the RTX A4500 variant holds 20 GB GDDR6. This 28 GB difference affects maximum model sizes that fit in memory during training or inference.
How do the FP16 figures compare between these GPUs?▾
The L40S lists 362.05 TFLOPS in dense FP16 mode. The RTX A4500 lists 19.2 TFLOPS for FP16 without a sparsity label. Direct comparison uses the dense value on the L40S against the provided figure on the RTX A4500.
What TDP values apply to each GPU family?▾
The L40S family TDP stands at 350 W. The RTX A4500 family TDP stands at 140 W. These figures remain consistent across variants within each family.
Which architecture powers the L40S versus the RTX A4500?▾
The L40S uses Ada Lovelace architecture released in 2023. The RTX A4500 uses Ampere architecture released in 2021. The generational gap contributes to the tensor performance differences observed in the specifications.
How does memory bandwidth affect batch sizes on these cards?▾
The L40S family bandwidth of 864 GB/s supports larger batches than the 448 GB/s bandwidth of the RTX A4500 family. Higher bandwidth reduces data movement stalls during matrix multiplications in training loops.
Which is cheaper to rent, the L40S or the RTX A4500?▾
Cloud rental prices for both the L40S and RTX A4500 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 L40S have compared to the RTX A4500?▾
The L40S has 48 GB of GDDR6 memory. The RTX A4500 has 20 GB of GDDR6 memory.
Can I find L40S and RTX A4500 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 L40S and the RTX A4500?▾
The L40S uses the Ada Lovelace architecture (2023) while the RTX A4500 uses Ampere (2021). The L40S has 48 GB of GDDR6 at 864 GB/s; the RTX A4500 has 20 GB of GDDR6 at 448 GB/s, so the L40S has 1.9x the memory bandwidth of the RTX A4500.
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 L40S and the RTX A4500. 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.
Next steps
- Rent L40SEvery current offer by provider, daily price history and a price alert.
- Rent RTX A4000Every current offer by provider, daily price history and a price alert.
- GPU price indexHow on-demand prices for the major GPUs have moved, updated daily.
- All GPUsEvery GPU we track, with current lows and provider counts.