L40 vs RTX 6000 Ada

Ada LovelacevsAda LovelaceUpdated 35 days ago

RTX 6000 Ada emerges as the winner for most common cloud AI use cases. Its 960 GB/s bandwidth, NVLink support, and $0.20 per hour starting price outperform L40's 864 GB/s and $0.67 entry in multi-GPU training and inference, despite similar 48 GB VRAM and 90.5-91.1 TFLOPS compute.

L40 from $0.55/hrRTX 6000 Ada from $0.50/hr

Specifications Compared

SpecL40RTX-6000-ADA
TDP300W300W
VRAM48 GB48 GB
CUDA Cores18,17618,176
Memory TypeGDDR6GDDR6
ArchitectureAda LovelaceAda Lovelace
Form FactorsPCIePCIe
InterconnectNVLink
Tensor Cores568568
FP16 Performance90.5 TFLOPS91.1 TFLOPS
FP32 Performance90.5 TFLOPS91.1 TFLOPS
INT8 Performance724 TOPS1,457 TOPS
Memory Bandwidth864 GB/s960 GB/s

Performance Analysis

Performance differences between the L40 and RTX 6000 Ada are subtle yet impactful. The RTX 6000 Ada leads with 91.1 TFLOPS FP16 and FP32 versus the L40's 90.5 TFLOPS, a 0.6 TFLOPS advantage that translates to slightly faster matrix multiplications in training and inference pipelines. This edge matters in compute-bound phases of deep learning where every teraflop counts toward reduced epoch times.

Memory bandwidth sets them apart more clearly: 960 GB/s on RTX 6000 Ada versus 864 GB/s on L40 permits larger batch sizes in memory-constrained workloads like LLM fine-tuning, minimizing data transfer bottlenecks. For inference, NVLink on RTX 6000 Ada enables efficient multi-GPU scaling, distributing 48 GB VRAM across nodes without PCIe limitations. Both at 300W TDP sustain high utilization, but RTX 6000 Ada's specs favor bandwidth-heavy tasks such as Stable Diffusion generation.

In real-world terms, L40 suffices for single-GPU setups, while RTX 6000 Ada's interconnect and bandwidth support distributed training with models exceeding 70B parameters.

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
Massed Compute
Massed Compute
NVIDIA L40
48GB VRAM
$0.86/GPU/hr
Available
RunPod
RunPod
NVIDIA L40S
48GB VRAM
$0.86/GPU/hr
Massed Compute
Massed Compute
2×NVIDIA L40
48GB VRAM
$0.86/GPU/hr
$1.72/hr total (2×)
Available

RTX 6000 Ada

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
RunPod
RunPod
NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.50/GPU/hr
RunPod
RunPod
NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.77/GPU/hr
Massed Compute
Massed Compute
NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.79/GPU/hr
Available
Massed Compute
Massed Compute
2×NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.79/GPU/hr
$1.58/hr total (2×)
Available
Massed Compute
Massed Compute
4×NVIDIA RTX 6000 Ada Generation
48GB VRAM
$0.79/GPU/hr
$3.16/hr total (4×)
Available

Compare real-time pricing across 25+ providers

When to Choose the L40

The L40 stands out for users seeking cost stability in cloud rentals. Its average price of $0.89 per hour across 14 offers undercuts the RTX 6000 Ada's $1.20 average, ideal for prolonged single-GPU workloads like scientific simulations leveraging 90.5 TFLOPS FP32. Without NVLink needs, the 864 GB/s bandwidth handles batch sizes up to those fitting in 48 GB VRAM efficiently.

When to Choose the RTX 6000 Ada

RTX 6000 Ada excels in scalable multi-GPU environments thanks to NVLink interconnect. At a starting price of $0.20 per hour, it offers aggressive entry costs for short bursts of LLM inference or Stable Diffusion, where 960 GB/s bandwidth supports larger batches than L40's 864 GB/s. The 91.1 TFLOPS FP16 performance aids high-throughput generation tasks across 49 cloud offers.

Use Cases

LLM Training
RTX 6000 Ada

RTX 6000 Ada's NVLink enables efficient multi-GPU scaling, and 960 GB/s bandwidth handles large batch sizes better than L40's 864 GB/s.

LLM Inference
RTX 6000 Ada

NVLink on RTX 6000 Ada supports distributed inference across GPUs, with 91.1 TFLOPS FP16 slightly outperforming L40's 90.5 TFLOPS.

Fine-tuning
Either

Both offer 48 GB VRAM and near-identical 90.5-91.1 TFLOPS FP32 for single-GPU fine-tuning; choice depends on pricing.

Stable Diffusion
RTX 6000 Ada

Higher 960 GB/s bandwidth on RTX 6000 Ada reduces memory bottlenecks for large diffusion models compared to L40's 864 GB/s.

Scientific Computing
L40

L40's lower average $0.89/hr price suits extended simulations using 90.5 TFLOPS FP32, where NVLink provides no advantage.

Frequently Asked Questions

Which GPU has higher memory bandwidth?

RTX 6000 Ada provides 960 GB/s compared to L40's 864 GB/s. This difference allows larger batch sizes in memory-intensive AI tasks.

Do they have the same VRAM?

Both L40 and RTX 6000 Ada feature 48 GB GDDR6 VRAM. This capacity supports large language models up to 70B parameters in single-GPU setups.

What are the cloud pricing differences?

L40 starts at $0.67 per hour averaging $0.89 across 14 offers. RTX 6000 Ada begins at $0.20 per hour averaging $1.20 across 49 offers.

Which has NVLink support?

RTX 6000 Ada includes NVLink interconnect for multi-GPU communication. L40 lacks this feature, relying on PCIe.

Are their TDPs identical?

Both GPUs consume 300W TDP. This ensures comparable power efficiency in PCIe cloud instances.

What are the FP32 performance figures?

L40 delivers 90.5 TFLOPS FP32, while RTX 6000 Ada reaches 91.1 TFLOPS. The margin favors compute-heavy training on RTX 6000 Ada.

Which is cheaper to rent, the L40 or the RTX 6000 Ada?

Cloud rental prices for both the L40 and RTX 6000 Ada 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 6000 Ada?

The L40 has 48 GB of GDDR6 memory. The RTX 6000 Ada has 48 GB of GDDR6 memory.

Can I find L40 and RTX 6000 Ada 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 6000 Ada?

The L40 uses the Ada Lovelace architecture (2023) while the RTX 6000 Ada uses Ada Lovelace (2022). The RTX 6000 Ada delivers 1.0x the FP16 throughput and 1.1x the memory bandwidth of the L40.