L40 vs RTX 2080 Ti

Ada LovelacevsTuringUpdated 35 days ago

The L40 emerges as the clear winner for most cloud GPU use cases: its 90.5 TFLOPS compute, 48 GB VRAM, and 864 GB/s bandwidth deliver superior performance for AI training and inference, justifying the higher $0.89 per hour average cost over the RTX 2080 Ti's capabilities.

L40 from $0.55/hrRTX 2080 Ti 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 FP16 and FP32 performance both at 90.5 TFLOPS vastly exceed the RTX 2080 Ti's 10.1 TFLOPS in each, translating to roughly 9 times faster compute for machine learning training and inference tasks. This delta means the L40 processes tensor operations far quicker, reducing training times for models requiring high half-precision throughput.

Memory bandwidth plays a critical role: the L40's 864 GB/s supports larger batch sizes in training without bottlenecks, while the RTX 2080 Ti's 616 GB/s limits scalability for memory-intensive inference. The L40's 48 GB VRAM accommodates massive models or datasets that the RTX 2080 Ti's 11 GB cannot handle, preventing out-of-memory errors in deep learning pipelines. Higher TDP on the L40 sustains peak performance longer under load.

In real-world terms, these specs position the L40 for enterprise-scale AI, whereas the RTX 2080 Ti suits prototyping where absolute speed matters less than availability.

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 Ti

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

Professionals select the L40 for large-scale LLM training or inference: its 48 GB VRAM and 90.5 TFLOPS FP16 performance enable handling models with billions of parameters at batch sizes infeasible on the RTX 2080 Ti's 11 GB. Cloud deployments benefit from 14 live offers starting at $0.67 per hour.

Scientific computing or Stable Diffusion at production volumes favor the L40, as 864 GB/s bandwidth accelerates data movement for complex simulations.

When to Choose the RTX 2080 Ti

Budget-conscious users opt for the RTX 2080 Ti in light fine-tuning or prototyping: its 10.1 TFLOPS suffices for smaller models, with pricing from $0.06 per hour across 6 offers making it economical. Lower 215W TDP reduces cloud costs in intermittent workloads.

Hobbyist Stable Diffusion or basic inference runs leverage the RTX 2080 Ti's NVLink for multi-GPU setups without needing the L40's datacenter scale.

Use Cases

LLM Training
L40

The L40's 90.5 TFLOPS FP16 and 48 GB VRAM handle large models and batches that exceed the RTX 2080 Ti's 10.1 TFLOPS and 11 GB limits.

LLM Inference
L40

High 864 GB/s bandwidth on the L40 supports high-throughput serving; RTX 2080 Ti's 616 GB/s bottlenecks larger queries.

Fine-tuning
Either

RTX 2080 Ti's 11 GB VRAM works for small models at $0.06 per hour; L40 excels for parameter-heavy fine-tuning with 48 GB.

Stable Diffusion
L40

L40's 90.5 TFLOPS accelerates image generation at scale; RTX 2080 Ti's lower specs slow high-resolution batches.

Scientific Computing
L40

L40's FP32 90.5 TFLOPS and 300W TDP sustain simulations; RTX 2080 Ti's 10.1 TFLOPS limits complex computations.

Frequently Asked Questions

What is the VRAM difference between L40 and RTX 2080 Ti?

The L40 offers 48 GB GDDR6 VRAM, while the RTX 2080 Ti provides 11 GB. This allows the L40 to manage much larger AI models without swapping.

How do FP16 performances compare?

L40 achieves 90.5 TFLOPS in FP16, over nine times the RTX 2080 Ti's 10.1 TFLOPS. Training and inference run dramatically faster on the L40.

Which has higher memory bandwidth?

The L40's 864 GB/s exceeds the RTX 2080 Ti's 616 GB/s by 40 percent. Larger batch sizes become feasible on the L40.

What are the cloud rental prices?

L40 starts at $0.67 per hour averaging $0.89 across 14 offers; RTX 2080 Ti from $0.06 per hour averaging $0.11 across 6 offers.

Is the L40 more power-hungry?

Yes, the L40's 300W TDP contrasts the RTX 2080 Ti's 215W. This enables sustained high performance on the L40.

Do both support PCIe?

Both GPUs use PCIe form factors. RTX 2080 Ti adds NVLink for multi-GPU linking.

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 Ti: 9.0x FP16 Gap, 48GB vs 11GB | GPUPerHour