L40 vs RTX 2080

Ada LovelacevsTuringUpdated 35 days ago

The L40 emerges as the clear winner for most common AI and compute use cases. Its 90.5 TFLOPS compute, 48 GB VRAM, and 864 GB/s bandwidth vastly outperform the RTX 2080's 10.1 TFLOPS, 8-11 GB VRAM, and 616 GB/s, enabling professional workloads despite the $0.67 per hour price versus $0.05 per hour.

L40 from $0.55/hrRTX 2080 from $0.13/hr

Specifications Compared

SpecL40RTX-2080
TDP300W215W
VRAM48 GB8-11 GB
CUDA Cores18,1762,944
Memory TypeGDDR6GDDR6
ArchitectureAda LovelaceTuring
Form FactorsPCIePCIe
InterconnectNVLink
Tensor Cores568368
FP16 Performance90.5 TFLOPS10.1 TFLOPS
FP32 Performance90.5 TFLOPS10.1 TFLOPS
INT8 Performance724 TOPS
Memory Bandwidth864 GB/s616 GB/s

Performance Analysis

The L40's 90.5 TFLOPS in FP16 and FP32 represents approximately nine times the RTX 2080's 10.1 TFLOPS, translating to dramatically faster training and inference speeds for machine learning models. In training scenarios, this compute advantage allows the L40 to process larger datasets or models in less time, reducing overall job duration significantly. For inference, the higher throughput supports more simultaneous queries, ideal for production servers.

Memory capacity and bandwidth are pivotal: the L40's 48 GB GDDR6 VRAM enables loading massive models that exceed the RTX 2080's 8-11 GB limit, preventing out-of-memory errors. Its 864 GB/s bandwidth compared to 616 GB/s sustains larger batch sizes during training, minimizing data loading bottlenecks and improving GPU utilization. Power consumption differs at 300W TDP for the L40 versus 215W for the RTX 2080, but the L40's performance density yields better efficiency for compute-bound workloads.

These specs position the L40 for enterprise-scale AI, while the RTX 2080 suits prototyping where absolute speed is secondary to low cost.

Live Cloud Pricing

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

L40

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA L40S
48GB VRAM
$0.55/GPU/hr
Available
RunPod
RunPod
NVIDIA L40
48GB VRAM
$0.82/GPU/hr
RunPod
RunPod
NVIDIA L40S
48GB VRAM
$0.86/GPU/hr
Massed Compute
Massed Compute
NVIDIA L40
48GB VRAM
$0.86/GPU/hr
Available
Massed Compute
Massed Compute
2×NVIDIA L40
48GB VRAM
$0.86/GPU/hr
$1.72/hr total (2×)
Available

RTX 2080

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA GeForce RTX 2080 Ti
11GB VRAM
$0.13/GPU/hr
Available

Compare real-time pricing across 25+ providers

When to Choose the L40

Select the L40 for demanding AI and visualization workloads that require substantial VRAM and compute power. Its 48 GB GDDR6 handles large language model fine-tuning or Stable Diffusion generation at high resolutions, where the RTX 2080's 8-11 GB VRAM causes failures. The 864 GB/s bandwidth and 90.5 TFLOPS ensure smooth operation with large batch sizes in production inference.

Datacenter deployments benefit from the L40's Ada Lovelace architecture, offering future-proofing for evolving AI demands at $0.67 per hour starting price.

When to Choose the RTX 2080

The RTX 2080 is preferable for budget-limited prototyping, gaming, or lightweight ML tasks. At $0.05 per hour, it provides adequate 10.1 TFLOPS FP32 performance for small model training or inference on datasets fitting within 8-11 GB VRAM. Its lower 215W TDP suits edge or low-power cloud instances.

Casual users or developers testing ideas quickly favor the RTX 2080, as its NVLink interconnect aids multi-GPU setups without the L40's higher costs.

Use Cases

LLM Training
L40

The L40's 48 GB VRAM and 90.5 TFLOPS FP16 performance handle large models and batches infeasible on the RTX 2080's 8-11 GB and 10.1 TFLOPS.

LLM Inference
L40

High 864 GB/s bandwidth and 90.5 TFLOPS enable efficient high-throughput serving; RTX 2080's 616 GB/s and limited VRAM restrict scale.

Fine-tuning
L40

L40's 48 GB VRAM supports parameter-efficient fine-tuning of billion-parameter models, unlike RTX 2080's 8-11 GB constraint.

Stable Diffusion
L40

L40 processes high-resolution generations faster with 90.5 TFLOPS and ample VRAM; RTX 2080 suffices for basic use but slows on complex prompts.

Scientific Computing
L40

Superior 90.5 TFLOPS FP32 and 864 GB/s bandwidth accelerate simulations; RTX 2080's 10.1 TFLOPS limits to smaller-scale computations.

Frequently Asked Questions

Which GPU has more VRAM: L40 or RTX 2080?

The L40 provides 48 GB GDDR6 VRAM, far exceeding the RTX 2080's 8-11 GB. This allows the L40 to manage larger AI models without swapping to system memory.

How do L40 and RTX 2080 compare in FP32 performance?

The L40 achieves 90.5 TFLOPS FP32, about nine times the RTX 2080's 10.1 TFLOPS. This gap results in much faster scientific computing and model training on the L40.

What is the price difference for cloud rental?

Cloud pricing starts at $0.67 per hour average $0.89 for the L40 across 14 offers, versus $0.05 per hour average $0.10 for RTX 2080 over 8 offers. RTX 2080 offers extreme cost savings for light tasks.

Does memory bandwidth matter for AI training?

Yes, the L40's 864 GB/s bandwidth supports larger batch sizes than the RTX 2080's 616 GB/s, reducing training time by minimizing data bottlenecks.

Which has higher power consumption?

The L40 draws 300W TDP compared to the RTX 2080's 215W. Despite higher draw, L40 delivers superior performance per watt in compute workloads.

Can RTX 2080 handle LLM inference?

RTX 2080 manages small LLMs within 8-11 GB VRAM at 10.1 TFLOPS, but struggles with larger models; L40's 48 GB excels for production-scale inference.

Which is cheaper to rent, the L40 or the RTX 2080?

Cloud rental prices for both the L40 and RTX 2080 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 L40 have compared to the RTX 2080?

The L40 has 48 GB of GDDR6 memory. The RTX 2080 has 8 to 11 GB of GDDR6 memory.

Can I find L40 and RTX 2080 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 L40 and the RTX 2080?

The L40 uses the Ada Lovelace architecture (2023) while the RTX 2080 uses Turing (2018). The L40 delivers 9.0x the FP16 throughput and 1.4x the memory bandwidth of the RTX 2080.

L40 vs RTX 2080: 9.0x FP16 Gap, 48GB vs 11GB | GPUPerHour