A100 PCIe 40GB vs RTX 4070 SUPER

AmperevsAda LovelaceUpdated 35 days ago

For prevalent AI workloads like LLM training and inference, the A100 PCIe 40GB emerges as the clear winner: its 312 TFLOPS FP16 surpasses the RTX 4070 SUPER's 35.5 TFLOPS by nearly 9x, while 40 GB VRAM and 1555 GB/s bandwidth handle enterprise models infeasible on consumer hardware.

A100 PCIe 40GB 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

FP16 performance defines training efficiency: the A100 PCIe 40GB delivers 312 TFLOPS, over eight times the RTX 4070 SUPER's 35.5 TFLOPS, accelerating deep learning model training where half-precision tensor operations prevail. Inference benefits similarly from this tensor core advantage, enabling faster throughput for deployed models. The A100's FP32 at 19.5 TFLOPS trails the RTX 4070 SUPER's 35.5 TFLOPS, favoring the consumer GPU in graphics rendering or simulations reliant on single-precision math.

Memory specifications dictate workload feasibility: 1555 GB/s bandwidth and 40 GB capacity on the A100 support expansive batch sizes in transformer models, minimizing out-of-memory errors during LLM training. The RTX 4070 SUPER's 504 GB/s and 12 GB constrain it to smaller batches or distilled models, risking swaps that degrade speed. Power draw aligns closely at 250 W TDP for the A100 versus 220 W for the RTX 4070 SUPER, though the A100 yields superior throughput per watt in FP16-dominated tasks.

Live Cloud Pricing

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

A100 PCIe 40GB

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
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
2×NVIDIA A100 SXM4 80GB
80GB VRAM
$1.00/GPU/hr
$2.00/hr total (2×)
Available
Denvr
Denvr
4×NVIDIA A100 PCIe 80GB
80GB VRAM
$1.15/GPU/hr
$4.60/hr total (4×)
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 40GB

Choose the A100 PCIe 40GB for production-scale AI pipelines requiring 40 GB VRAM and 312 TFLOPS FP16 performance. It outperforms in LLM training or inference on models exceeding 12 GB, with 1555 GB/s bandwidth enabling large batches. Cloud access from $0.60 per hour facilitates elastic scaling without hardware investment.

When to Choose the RTX 4070 SUPER

The RTX 4070 SUPER suits budget-conscious developers prototyping on desktops, leveraging 35.5 TFLOPS FP32 for Stable Diffusion or fine-tuning compact models within 12 GB VRAM. Its 220 W TDP fits standard workstations, and PCIe form factor simplifies local integration. Absence of cloud offers encourages outright purchase for persistent personal use.

Use Cases

LLM Training
A100 PCIe 40GB

The A100's 312 TFLOPS FP16 and 40 GB HBM2e VRAM enable training large LLMs with substantial batch sizes. The RTX 4070 SUPER's 12 GB and 35.5 TFLOPS FP16 limit it to smaller models.

LLM Inference
A100 PCIe 40GB

A100 supports high-throughput inference on full-scale LLMs via 1555 GB/s bandwidth and 312 TFLOPS FP16. RTX 4070 SUPER manages only quantized or small variants within 12 GB.

Fine-tuning
Either

RTX 4070 SUPER suffices for fine-tuning models under 12 GB at 35.5 TFLOPS FP32. A100 excels for parameter-heavy adapters needing 40 GB VRAM.

Stable Diffusion
RTX 4070 SUPER

RTX 4070 SUPER generates images efficiently within 12 GB GDDR6X at 35.5 TFLOPS FP16. A100 overkill proves unnecessary for typical diffusion pipelines.

Scientific Computing
RTX 4070 SUPER

RTX 4070 SUPER's 35.5 TFLOPS FP32 outperforms A100's 19.5 TFLOPS for simulations. Lower 220 W TDP enhances desktop suitability.

Frequently Asked Questions

What is the VRAM difference between A100 PCIe 40GB and RTX 4070 SUPER?

The A100 PCIe 40GB has 40 GB HBM2e VRAM, while the RTX 4070 SUPER offers 12 GB GDDR6X. This gap allows A100 to load larger models without quantization. Memory bandwidth follows suit at 1555 GB/s versus 504 GB/s.

How does cloud pricing compare for these GPUs?

NVIDIA A100 PCIe 40GB rents from $0.60 per hour, averaging $1.85 per hour across 11 live offers. No live cloud offers exist for RTX 4070 SUPER. Local purchase suits the consumer GPU.

Which GPU wins in FP16 performance for AI training?

A100 PCIe 40GB achieves 312 TFLOPS FP16, exceeding RTX 4070 SUPER's 35.5 TFLOPS by over 8x. This tensor advantage speeds neural network training. FP32 reverses, with RTX at 35.5 TFLOPS over A100's 19.5 TFLOPS.

Is RTX 4070 SUPER viable for machine learning?

RTX 4070 SUPER handles fine-tuning and inference for models under 12 GB at 35.5 TFLOPS FP16/FP32. It falls short for large LLMs due to VRAM limits. Pair with quantization for broader use.

What are the TDP and form factor differences?

A100 PCIe 40GB draws 250 W in PCIe form, optimized for servers. RTX 4070 SUPER uses 220 W in consumer PCIe slots. Both support PCIe 4.0 interconnects.

When to pick A100 over RTX 4070 SUPER?

Select A100 for workloads needing 40 GB VRAM or 312 TFLOPS FP16, like LLM training. RTX 4070 SUPER fits prototyping with 12 GB and lower cost. Cloud pricing starts at $0.60/hr for A100.

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 40GB vs RTX 4070 SUPER: 80GB vs 12GB | GPUPerHour