A100 PCIe 80GB vs RTX 4070 SUPER

AmperevsAda LovelaceUpdated 35 days ago

The NVIDIA A100 PCIe 80GB emerges as the clear winner for most AI and machine learning use cases, particularly LLM training and inference. Its 80 GB VRAM, 2039 GB/s bandwidth, and 312 TFLOPS FP16 dwarf the RTX 4070 SUPER's 12 GB, 504 GB/s, and 35 TFLOPS, enabling larger models and faster throughput despite higher cloud costs.

A100 PCIe 80GB from $0.73/hrRTX 4070 SUPER from $0.50/hr

Specifications Compared

SpecA100RTX-4070
TDP400W200W
VRAM40-80 GB12 GB
CUDA Cores6,9125,888
Memory TypeHBM2eGDDR6X
ArchitectureAmpereAda Lovelace
Form FactorsSXM4, PCIePCIe
InterconnectNVLink, PCIe 4.0, InfiniBand
Tensor Cores432184
FP16 Performance312 TFLOPS29.1 TFLOPS
FP32 Performance19.5 TFLOPS29.1 TFLOPS
FP64 Performance9.7 TFLOPS
INT8 Performance624 TOPS466 TOPS
Memory Bandwidth2,039 GB/s504 GB/s

Performance Analysis

The A100 PCIe 80GB excels in FP16-heavy workloads like neural network training due to its 312 TFLOPS rating, enabling mixed-precision computations at scales unattainable by the RTX 4070 SUPER's 35 TFLOPS. Its FP32 performance of 19.5 TFLOPS supports traditional simulations, though the SUPER's matching 35 TFLOPS proves competitive for inference tasks requiring precise single-precision math. This FP16/FP32 delta means the A100 accelerates training phases significantly faster for large models.

Memory bandwidth profoundly impacts real-world usage: the A100's 2039 GB/s allows massive batch sizes in LLM training, reducing iterations and time-to-result. The RTX 4070 SUPER's 504 GB/s constrains it to smaller batches, limiting scalability for datasets exceeding 12 GB VRAM. Higher TDP of 400W on A100 versus 220W on SUPER reflects sustained datacenter performance over consumer bursts.

Live Cloud Pricing

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

A100 PCIe 80GB

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$0.73/GPU/hr
Available
Vast.ai
Vast.ai
2×NVIDIA A100 SXM4 80GB
80GB VRAM
$0.73/GPU/hr
$1.47/hr total (2×)
Available
LeaderGPU
LeaderGPU
8×NVIDIA A100 PCIe 80GB
80GB VRAM
$0.90/GPU/hr
$7.20/hr total (8×)
Available
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$1.00/GPU/hr
Available
Denvr
Denvr
8×NVIDIA A100 SXM4 80GB
80GB VRAM
$1.15/GPU/hr
$9.20/hr total (8×)

RTX 4070 SUPER

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
RunPod
RunPod
NVIDIA GeForce RTX 4070 Ti
12GB VRAM
$0.50/GPU/hr

Compare real-time pricing across 25+ providers

When to Choose the A100 PCIe 80GB

The A100 PCIe 80GB stands out for large-scale LLM training and scientific computing where 80 GB VRAM handles models with billions of parameters. Its 2039 GB/s bandwidth and 312 TFLOPS FP16 enable efficient processing of massive datasets in cloud environments priced from $0.89/hr. Enterprises benefit from NVLink and InfiniBand interconnects for multi-GPU scaling.

High-throughput inference for production AI services favors the A100 due to its superior memory capacity over the RTX 4070 SUPER's 12 GB limit.

When to Choose the RTX 4070 SUPER

The RTX 4070 SUPER proves ideal for gaming, Stable Diffusion image generation, and fine-tuning small models under 12 GB VRAM. Its 220W TDP and PCIe form factor suit desktop setups without datacenter infrastructure. Balanced 35 TFLOPS FP16/FP32 performance delivers quick results for consumer AI tasks.

Budget-conscious developers prefer it for local inference or prototyping, as no cloud offers exist compared to A100's $2.03/hr average.

Use Cases

LLM Training
A100 PCIe 80GB

A100's 80 GB HBM2e VRAM and 312 TFLOPS FP16 support training massive models with large batch sizes. RTX 4070 SUPER's 12 GB GDDR6X restricts scale.

LLM Inference
A100 PCIe 80GB

A100 handles high-concurrency inference with 2039 GB/s bandwidth for batched requests. RTX 4070 SUPER suits low-volume due to 504 GB/s limit.

Fine-tuning
Either

Small models fit RTX 4070 SUPER's 12 GB VRAM with 35 TFLOPS FP16 for quick iterations. A100's capacity aids larger fine-tunes at cloud scale.

Stable Diffusion
RTX 4070 SUPER

RTX 4070 SUPER's Ada architecture and 35 TFLOPS FP32 excel in real-time image generation. A100 overkill for consumer creative workflows.

Scientific Computing
A100 PCIe 80GB

A100's 19.5 TFLOPS FP32 and high bandwidth accelerate simulations. RTX 4070 SUPER lacks datacenter interconnects.

Frequently Asked Questions

What is the VRAM difference between A100 PCIe 80GB and RTX 4070 SUPER?

The A100 PCIe 80GB has 80 GB HBM2e VRAM, far exceeding the RTX 4070 SUPER's 12 GB GDDR6X. This enables A100 to load much larger AI models. Bandwidth follows suit at 2039 GB/s versus 504 GB/s.

Which has better FP16 performance?

A100 delivers 312 TFLOPS FP16, outperforming RTX 4070 SUPER's 35 TFLOPS. This gap favors A100 for training. FP32 sees A100 at 19.5 TFLOPS against SUPER's 35 TFLOPS.

What are the cloud prices for these GPUs?

NVIDIA A100 PCIe 80GB starts at $0.89/hr with average $2.03/hr across 30 offers. No live cloud offers exist for RTX 4070 SUPER. Local purchase applies for SUPER.

How do TDPs compare?

A100 PCIe 80GB requires 400W TDP for sustained loads. RTX 4070 SUPER uses 220W, better for desktops. This reflects datacenter versus consumer design.

Which architecture is newer?

RTX 4070 SUPER uses Ada Lovelace from 2023. A100 employs Ampere from 2020. Newer architecture aids SUPER in efficiency per watt.

Can RTX 4070 SUPER replace A100 for AI training?

RTX 4070 SUPER cannot replace A100 due to 12 GB VRAM limit versus 80 GB. It works for small-scale training at 35 TFLOPS FP16. A100 scales better with 312 TFLOPS.

Which is cheaper to rent, the A100 or the RTX 4070?

Cloud rental prices for both the A100 and RTX 4070 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 A100 have compared to the RTX 4070?

The A100 has 40 to 80 GB of HBM2e memory. The RTX 4070 has 12 GB of GDDR6X memory.

Can I find A100 and RTX 4070 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 A100 and the RTX 4070?

The A100 uses the Ampere architecture (2020) while the RTX 4070 uses Ada Lovelace (2023). The A100 delivers 10.7x the FP16 throughput and 4.0x the memory bandwidth of the RTX 4070.

A100 PCIe 80GB vs RTX 4070 SUPER: 80GB vs 12GB | GPUPerHour