NVIDIA A100 40GB VS NVIDIA T4G

Choosing between **A100 40GB** and **T4G** depends on your specific AI workload requirements. The **A100 40GB** 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 **$0.00/h** and **$0.23/h** respectively across 1 providers.

NVIDIA

A100 40GB

VRAM 40GB
FP32 19.5 TFLOPS
TDP 250W
From $0.89/h Estimated Price
NVIDIA

T4G

VRAM 16GB
FP32 8.1 TFLOPS
TDP 70W
From $0.23/h 1 providers

📊 Detailed Specifications Comparison

Specification A100 40GB T4G Difference
Architecture & Design
Architecture Ampere Turing -
Process Node 7nm 12nm -
Target Market datacenter datacenter -
Form Factor SXM4 / PCIe AWS Instance -
Memory & Bandwidth
VRAM Capacity 40GB 16GB +150%
Memory Type HBM2 GDDR6 -
Memory Bandwidth 1.5 TB/s 320 GB/s +386%
Memory Bus Width 5120-bit 256-bit -
Compute Infrastructure
CUDA Cores 6,912 2,560 +170%
Tensor Cores (AI) 432 N/A
AI & Compute Performance (TFLOPS)
FP32 (Single Precision) 19.5 TFLOPS 8.1 TFLOPS +141%
FP16 (Half Precision) 312 TFLOPS N/A
Power & Efficiency
TDP (Thermal Design Power) 250W 70W +257%
PCIe Interface PCIe 4.0 x16 PCIe 3.0 x16 -

🎯 Use Case Recommendations

🧠

LLM & Large Model Training

NVIDIA A100 40GB

Higher VRAM capacity and memory bandwidth are critical for training large language models. The A100 40GB offers 40GB compared to 16GB.

AI Inference

NVIDIA A100 40GB

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

💰

Budget-Conscious Choice

NVIDIA T4G

Compare live pricing to find the best value for your specific workload.

Automated Comparison

Technical Deep Dive: A100 40GB vs T4G

This is a generational comparison within the NVIDIA ecosystem, pitting Ampere against Turing. The A100 40GB has a significant **24GB VRAM advantage**, which is crucial for training massive datasets or large language models.

NVIDIA A100 40GB is Best For:

  • Mainstream AI training
  • Scientific computing
  • Memory-intensive LLM training

NVIDIA T4G is Best For:

  • ARM-based AI inference
  • x86 native workloads

Frequently Asked Questions

Which GPU is better for AI training: A100 40GB or T4G?

For AI training, the key factors are VRAM size, memory bandwidth, and tensor core performance. The A100 40GB offers 40GB of HBM2 memory with 1.5 TB/s bandwidth, while the T4G provides 16GB of GDDR6 with 320 GB/s bandwidth. For larger models, the A100 40GB's higher VRAM capacity gives it an advantage.

What is the price difference between A100 40GB and T4G in the cloud?

Cloud GPU rental prices vary by provider and region. Check our price tracker for the latest rates from 50+ cloud providers.

Can I use T4G instead of A100 40GB for my workload?

It depends on your specific requirements. If your model fits within 16GB of VRAM and you don't need the additional throughput of the A100 40GB, the T4G can be a cost-effective alternative. However, for workloads requiring maximum memory capacity or multi-GPU scaling, the A100 40GB's architecture may be essential.

Ready to rent a GPU?

Compare live pricing across 50+ cloud providers and find the best deal.