A100 SXM4 40GB vs RTX 4070 Ti SUPER

AmperevsAda LovelaceUpdated 35 days ago

The NVIDIA A100 SXM4 40GB wins for the most common cloud use case of AI model training. Its 312 TFLOPS FP16 and 40 GB VRAM outperform RTX 4070 Ti SUPER's 29.1 TFLOPS and 12 GB, enabling larger models despite higher $2.80/hr average cost.

A100 SXM4 40GB from $0.73/hrRTX 4070 Ti 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 SXM4 40GB dominates in FP16 compute at 312 TFLOPS, ideal for AI training where tensor cores accelerate half-precision operations, but its FP32 at 19.5 TFLOPS lags behind general compute. The RTX 4070 Ti SUPER balances both at 29.1 TFLOPS, suiting inference or graphics where FP32 matters equally. This delta means A100 accelerates large model training by leveraging high FP16 throughput, while RTX handles mixed-precision inference efficiently. Memory bandwidth reveals a key gap: A100's 2039 GB/s supports massive batch sizes in deep learning, preventing bottlenecks in models exceeding 12 GB VRAM. RTX's 504 GB/s limits it to smaller batches, reducing throughput for VRAM-heavy workloads. Power draw further differentiates them: 400W for A100 demands robust cooling in clusters, versus 200W for RTX enabling desktop or edge deployments.

Live Cloud Pricing

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

A100 SXM4 40GB

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$0.73/GPU/hr
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
Vast.ai
Vast.ai
NVIDIA A100 SXM4 80GB
80GB VRAM
$1.07/GPU/hr
Available
Denvr
Denvr
8×NVIDIA A100 SXM4 80GB
80GB VRAM
$1.15/GPU/hr
$9.20/hr total (8×)

RTX 4070 Ti 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 SXM4 40GB

Choose the NVIDIA A100 SXM4 40GB for large-scale LLM training or scientific simulations requiring over 12 GB VRAM. Its 40 GB HBM2e and 2039 GB/s bandwidth handle enormous datasets and batch sizes without swapping. NVLink and InfiniBand enable multi-GPU scaling for HPC clusters at $1.00/hr starting price.

When to Choose the RTX 4070 Ti SUPER

Opt for the NVIDIA GeForce RTX 4070 Ti SUPER in cost-sensitive scenarios like Stable Diffusion or lightweight inference. Its 29.1 TFLOPS FP32/FP16 balance and $0.09/hr pricing suit gaming or single-user AI at 200W TDP. The Ada Lovelace architecture provides efficiency for tasks fitting within 12 GB GDDR6X.

Use Cases

LLM Training
A100 SXM4 40GB

A100's 312 TFLOPS FP16 and 40 GB HBM2e VRAM support massive models and batches. RTX 4070 Ti SUPER's 12 GB limits scale.

LLM Inference
Either

RTX 4070 Ti SUPER's balanced 29.1 TFLOPS handles small batches efficiently at $0.09/hr. A100 excels for high-throughput serving with 2039 GB/s bandwidth.

Fine-tuning
A100 SXM4 40GB

40 GB VRAM on A100 accommodates full model loading for fine-tuning large LLMs. RTX's 12 GB requires heavy quantization.

Stable Diffusion
RTX 4070 Ti SUPER

RTX 4070 Ti SUPER generates images quickly with 29.1 TFLOPS FP16/FP32 at low 200W and $0.17/hr average. A100 overkill for consumer workflows.

Scientific Computing
A100 SXM4 40GB

A100's 2039 GB/s bandwidth and NVLink scale simulations across nodes. RTX lacks interconnects for clusters.

Frequently Asked Questions

What is the VRAM difference between A100 SXM4 40GB and RTX 4070 Ti SUPER?

A100 SXM4 40GB has 40 GB HBM2e VRAM. RTX 4070 Ti SUPER provides 12 GB GDDR6X. This gap affects large model handling.

How do FP16 performances compare?

A100 delivers 312 TFLOPS FP16 for training acceleration. RTX 4070 Ti SUPER offers 29.1 TFLOPS, suitable for inference.

What are the cloud pricing differences?

A100 SXM4 40GB starts at $1.00/hr averaging $2.80/hr across 4 offers. RTX 4070 Ti SUPER begins at $0.09/hr averaging $0.17/hr across 2 offers.

Which has higher memory bandwidth?

A100 achieves 2039 GB/s with HBM2e. RTX 4070 Ti SUPER reaches 504 GB/s with GDDR6X. Higher bandwidth aids large batches.

Is RTX 4070 Ti SUPER more power efficient?

RTX 4070 Ti SUPER uses 200W TDP versus A100's 400W. This suits edge or desktop use without datacenter cooling.

Can RTX 4070 Ti SUPER replace A100 for AI training?

No, due to 12 GB VRAM limit versus 40 GB. A100's 312 TFLOPS FP16 scales better for production training.

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 SXM4 40GB vs RTX 4070 Ti SUPER: 80GB vs 12GB | GPUPerHour