L40S vs RTX 4500 Ada

Ada LovelacevsAda LovelaceUpdated 36 days ago

The L40S emerges as the clear winner for most AI and machine learning use cases. Its 48 GB VRAM, 362 TFLOPS FP16, and 864 GB/s bandwidth handle large-scale training and inference far better than the RTX 4500 Ada's 24 GB and 39.6 TFLOPS, despite higher average pricing of $1.10/hr.

L40S from $0.55/hrRTX 4500 Ada from $0.74/hr

Specifications Compared

SpecL40SRTX-4500-ADA
TDP350W210W
VRAM48 GB24 GB
CUDA Cores18,1767,680
Memory TypeGDDR6XGDDR6
ArchitectureAda LovelaceAda Lovelace
Form FactorsPCIePCIe
InterconnectPCIe 4.0
Tensor Cores568240
FP8 Performance724 TFLOPS
FP16 Performance362 TFLOPS39.6 TFLOPS
FP32 Performance91 TFLOPS39.6 TFLOPS
FP64 Performance1.4 TFLOPS
INT8 Performance724 TOPS634 TOPS
Memory Bandwidth864 GB/s432 GB/s

Performance Analysis

The L40S demonstrates superior compute for AI tasks: its 362 TFLOPS FP16 performance enables significantly faster model training and inference in half-precision formats compared to the RTX 4500 Ada's 39.6 TFLOPS. The FP32 rating of 91 TFLOPS on the L40S outstrips the 39.6 TFLOPS on the RTX 4500 Ada, benefiting scientific computing and rendering that require single-precision arithmetic.

Memory specifications profoundly impact real-world usage. With 48 GB VRAM and 864 GB/s bandwidth, the L40S supports larger batch sizes during training, minimizing per-iteration overhead for large language models. In contrast, the RTX 4500 Ada's 24 GB VRAM and 432 GB/s bandwidth limit it to smaller batches or models, potentially increasing training time.

Power consumption reflects their profiles: the L40S draws 350W TDP for peak performance, while the RTX 4500 Ada uses 210W, allowing denser deployments in power-constrained environments. These differences mean the L40S accelerates throughput in memory-bound scenarios, whereas the RTX 4500 Ada prioritizes efficiency.

Live Cloud Pricing

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

L40S

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA L40S
48GB VRAM
$0.55/GPU/hr
Available
RunPod
RunPod
NVIDIA L40S
48GB VRAM
$0.86/GPU/hr
Massed Compute
Massed Compute
NVIDIA L40S
48GB VRAM
$0.88/GPU/hr
Available
Massed Compute
Massed Compute
2×NVIDIA L40S
48GB VRAM
$0.88/GPU/hr
$1.76/hr total (2×)
Available
Massed Compute
Massed Compute
NVIDIA L40S
48GB VRAM
$0.88/GPU/hr
Available

RTX 4500 Ada

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
RunPod
RunPod
NVIDIA RTX 4500 Ada
24GB VRAM
$0.74/GPU/hr

Compare real-time pricing across 25+ providers

When to Choose the L40S

The L40S stands out for demanding AI workloads. Its 48 GB VRAM accommodates massive models in LLM training, and 362 TFLOPS FP16 with 724 TFLOPS FP8 speeds up iterations and high-throughput inference. Users processing large datasets benefit from 864 GB/s bandwidth for optimal batch sizes.

Datacenter deployments favor the L40S due to PCIe 4.0 interconnect and robust specs across 18 cloud offers starting at $0.40/hr.

When to Choose the RTX 4500 Ada

The RTX 4500 Ada suits budget-conscious or lighter workloads. At an average $0.51/hr across 3 offers, it delivers 39.6 TFLOPS FP16/FP32 for fine-tuning smaller models within 24 GB VRAM limits. Lower 210W TDP enables efficient use in workstations or edge computing.

Visualization professionals prefer it for tasks not requiring extreme memory, balancing cost and 432 GB/s bandwidth.

Use Cases

LLM Training
L40S

The L40S 48 GB VRAM and 362 TFLOPS FP16 support large models and batch sizes unavailable on the RTX 4500 Ada's 24 GB and 39.6 TFLOPS.

LLM Inference
L40S

L40S 724 TFLOPS FP8 and 864 GB/s bandwidth enable high-throughput serving; RTX 4500 Ada lacks FP8 and sufficient memory for scale.

Fine-tuning
Either

Smaller models fit RTX 4500 Ada's 24 GB VRAM at lower $0.51/hr average; L40S accelerates with 48 GB for parameter-heavy tuning.

Stable Diffusion
L40S

L40S 48 GB VRAM handles high-resolution generations without swapping; 362 TFLOPS FP16 outperforms RTX 4500 Ada's 39.6 TFLOPS.

Scientific Computing
L40S

L40S 91 TFLOPS FP32 exceeds RTX 4500 Ada's 39.6 TFLOPS for simulations; higher bandwidth aids data-intensive computations.

Frequently Asked Questions

Which GPU has more VRAM, L40S or RTX 4500 Ada?

The L40S provides 48 GB GDDR6X VRAM, double the RTX 4500 Ada's 24 GB GDDR6. This enables the L40S to load larger models without issues.

How do their prices compare on gpuperhour.com?

L40S starts at $0.40/hr with average $1.10/hr across 18 offers. RTX 4500 Ada begins at $0.34/hr averaging $0.51/hr across 3 offers.

What is the FP16 performance difference?

L40S delivers 362 TFLOPS FP16, about 9 times the RTX 4500 Ada's 39.6 TFLOPS. This gap accelerates AI training and inference significantly.

Which has higher memory bandwidth?

L40S bandwidth reaches 864 GB/s, twice the RTX 4500 Ada's 432 GB/s. Higher bandwidth supports larger batches in ML workflows.

Is the L40S better for LLM inference?

Yes, L40S FP8 at 724 TFLOPS and 48 GB VRAM excel for serving large models. RTX 4500 Ada suits smaller inference with 24 GB.

What are their TDP ratings?

L40S TDP is 350W for peak compute. RTX 4500 Ada uses 210W, better for power-limited setups.

Which is cheaper to rent, the L40S or the RTX 4500 Ada?

Cloud rental prices for both the L40S and RTX 4500 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 L40S have compared to the RTX 4500 Ada?

The L40S has 48 GB of GDDR6X memory. The RTX 4500 Ada has 24 GB of GDDR6 memory.

Can I find L40S and RTX 4500 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 L40S and the RTX 4500 Ada?

The L40S uses the Ada Lovelace architecture (2023) while the RTX 4500 Ada uses Ada Lovelace (2023). The L40S delivers 9.1x the FP16 throughput and 2.0x the memory bandwidth of the RTX 4500 Ada.