NVIDIA L40S VS AMD Radeon Pro V520

Choosing between **L40S** and **Radeon Pro V520** depends on your specific AI workload requirements. The **L40S** leads in both memory capacity and raw compute power, making it a stronger choice for high-end LLM training. Currently, you can rent these GPUs starting from **$0.26/h** and **$0.19/h** respectively across 33 providers.

NVIDIA

L40S

VRAM 48GB
FP32 91.6 TFLOPS
TDP 350W
From $0.26/h 32 providers
AMD

Radeon Pro V520

VRAM 8GB
FP32 9.4 TFLOPS
TDP 225W
From $0.19/h 1 providers

📊 Detailed Specifications Comparison

Specification L40S Radeon Pro V520 Difference
Architecture & Design
Architecture Ada Lovelace RDNA 1 -
Process Node 4nm 7nm -
Target Market datacenter datacenter -
Form Factor Dual-slot PCIe Single-slot PCIe -
Memory & Bandwidth
VRAM Capacity 48GB 8GB +500%
Memory Type GDDR6 HBM2 -
Memory Bandwidth 864 GB/s 512 GB/s +69%
Memory Bus Width 384-bit 2048-bit -
Compute Infrastructure
CUDA Cores 18,176 N/A
Tensor Cores (AI) 568 N/A
RT Cores (Ray Tracing) 142 N/A
Stream Processors N/A 2,304
AI & Compute Performance (TFLOPS)
FP32 (Single Precision) 91.6 TFLOPS 9.4 TFLOPS +874%
FP16 (Half Precision) 183.2 TFLOPS N/A
INT8 (Integer Precision) 733 TOPS N/A
Power & Efficiency
TDP (Thermal Design Power) 350W 225W +56%
PCIe Interface PCIe 4.0 x16 PCIe 4.0 x16 -

🎯 Use Case Recommendations

🧠

LLM & Large Model Training

NVIDIA L40S

Higher VRAM capacity and memory bandwidth are critical for training large language models. The L40S offers 48GB compared to 8GB.

AI Inference

NVIDIA L40S

For inference workloads, performance per watt matters most. Consider the balance between FP16/INT8 throughput and power consumption.

💰

Budget-Conscious Choice

AMD Radeon Pro V520

Based on current cloud pricing, the Radeon Pro V520 starts at a lower hourly rate.

Automated Comparison

Technical Deep Dive: L40S vs Radeon Pro V520

This head-to-head pits NVIDIA's Ada Lovelace against AMD's RDNA 1. The L40S has a significant **40GB VRAM advantage**, which is crucial for training massive datasets or large language models. From a cost perspective, the **Radeon Pro V520** is currently about **27% cheaper** per hour, offering better value for budget-conscious projects.

NVIDIA L40S is Best For:

  • AI inference
  • Generative AI
  • Maximum memory bandwidth

AMD Radeon Pro V520 is Best For:

  • Cloud gaming
  • Virtualization
  • AI training

Frequently Asked Questions

Which GPU is better for AI training: L40S or Radeon Pro V520?

For AI training, the key factors are VRAM size, memory bandwidth, and tensor core performance. The L40S offers 48GB of GDDR6 memory with 864 GB/s bandwidth, while the Radeon Pro V520 provides 8GB of HBM2 with 512 GB/s bandwidth. For larger models, the L40S's higher VRAM capacity gives it an advantage.

What is the price difference between L40S and Radeon Pro V520 in the cloud?

Cloud GPU rental prices vary by provider and region. Based on our data, L40S starts at $0.26/hour while Radeon Pro V520 starts at $0.19/hour. This represents a 37% price difference.

Can I use Radeon Pro V520 instead of L40S for my workload?

It depends on your specific requirements. If your model fits within 8GB of VRAM and you don't need the additional throughput of the L40S, the Radeon Pro V520 can be a cost-effective alternative. However, for workloads requiring maximum memory capacity or multi-GPU scaling, the L40S's architecture may be essential.

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