A40 vs RTX 5070 Ti

AmperevsBlackwellUpdated 35 days ago

The RTX 5070 Ti wins for most common cloud use cases like LLM inference and fine-tuning of sub-12 GB models. Its 40.6 TFLOPS performance at $0.19 per hour average provides superior price-to-performance over A40's 37.4 TFLOPS at $1.28, with adequate 12 GB VRAM for typical workloads.

A40 from $0.08/hr

Specifications Compared

SpecA40RTX-5070
TDP300W250W
VRAM48 GB12 GB
CUDA Cores10,7526,144
Memory TypeGDDR6GDDR7
ArchitectureAmpereBlackwell
Form FactorsPCIePCIe
InterconnectNVLink
Tensor Cores336192
FP16 Performance37.4 TFLOPS40.6 TFLOPS
FP32 Performance37.4 TFLOPS40.6 TFLOPS
FP64 Performance0.6 TFLOPS
INT8 Performance299 TOPS650 TOPS
Memory Bandwidth696 GB/s448 GB/s

Performance Analysis

Raw compute performance shows minimal difference: A40 delivers 37.4 TFLOPS FP16 and FP32, while RTX 5070 Ti reaches 40.6 TFLOPS in both. This close parity means similar throughput for training and inference on models fitting within VRAM limits, though Blackwell architecture enables better tensor core efficiency for mixed precision tasks.

The A40's 48 GB VRAM versus 12 GB on RTX 5070 Ti determines large model handling: A40 supports batch sizes for LLMs up to 70B parameters in FP16, while RTX 5070 Ti limits to smaller 7B models without offloading. Higher 696 GB/s bandwidth on A40 accelerates memory-bound operations like gradient accumulation in training.

RTX 5070 Ti's 250W TDP offers 17% lower power draw than A40's 300W, reducing cloud costs for sustained inference. GDDR7 memory on RTX 5070 Ti provides potential latency advantages over A40's GDDR6 in high-frequency access patterns.

Live Cloud Pricing

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

A40

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA RTX A4000
16GB VRAM
$0.08/GPU/hr
Available
Vast.ai
Vast.ai
8×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$1.17/hr total (8×)
Available
Hyperstack
Hyperstack
2×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$0.30/hr total (2×)
Available
Hyperstack
Hyperstack
NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
Available
Vast.ai
Vast.ai
8×NVIDIA RTX A4000
16GB VRAM
$0.16/GPU/hr
$1.28/hr total (8×)
Available

Compare real-time pricing across 25+ providers

When to Choose the A40

Choose the A40 for memory-intensive workloads requiring over 12 GB VRAM. Its 48 GB capacity excels in training large LLMs or fine-tuning models with batch sizes exceeding RTX 5070 Ti limits, supported by 696 GB/s bandwidth for faster data movement.

NVLink interconnect enables efficient multi-GPU setups for distributed training, unavailable on RTX 5070 Ti.

When to Choose the RTX 5070 Ti

Select the RTX 5070 Ti for budget-conscious deployments with smaller models. At $0.10 per hour average $0.19, it undercuts A40's $1.28 average by 85%, delivering 40.6 TFLOPS FP16 suitable for inference on 7B parameter LLMs.

Lower 250W TDP and Blackwell architecture favor power-efficient, high-volume tasks like real-time inference or Stable Diffusion at reduced operational costs.

Use Cases

LLM Training
A40

A40's 48 GB VRAM handles large batch sizes for models over 12 GB, unlike RTX 5070 Ti. Higher 696 GB/s bandwidth speeds gradient computations.

LLM Inference
RTX 5070 Ti

RTX 5070 Ti's 40.6 TFLOPS and $0.19 per hour average suit high-throughput serving of 7B models. Lower TDP reduces costs for always-on deployments.

Fine-tuning
A40

A40 supports larger datasets with 48 GB VRAM during parameter-efficient fine-tuning. NVLink aids multi-GPU scaling.

Stable Diffusion
Either

Both handle image generation: A40 for high-res batches via 48 GB VRAM, RTX 5070 Ti for cost-effective runs at 12 GB with newer architecture.

Scientific Computing
RTX 5070 Ti

RTX 5070 Ti's 40.6 TFLOPS FP32 and 250W efficiency fit simulations under 12 GB. Lower $0.10 per hour pricing optimizes long simulations.

Frequently Asked Questions

Which GPU has more VRAM: A40 or RTX 5070 Ti?

The A40 provides 48 GB GDDR6 VRAM, four times the 12 GB GDDR7 on RTX 5070 Ti. This makes A40 better for large models exceeding 12 GB.

What are the cloud rental prices for A40 vs RTX 5070 Ti?

A40 starts at $0.24 per hour averaging $1.28 across 24 offers. RTX 5070 Ti starts at $0.10 per hour averaging $0.19 across 2 offers.

How do FP16 performances compare?

A40 delivers 37.4 TFLOPS FP16, while RTX 5070 Ti offers 40.6 TFLOPS. The 8% edge on RTX 5070 Ti aids tensor operations in AI tasks.

Which has higher memory bandwidth?

A40 achieves 696 GB/s, 55% higher than RTX 5070 Ti's 448 GB/s. This benefits memory-bound training workloads.

What is the TDP difference?

RTX 5070 Ti uses 250W TDP, 17% less than A40's 300W. Lower power lowers cloud billing for inference.

Does RTX 5070 Ti support NVLink?

No, RTX 5070 Ti lacks NVLink interconnect present on A40. A40 enables faster multi-GPU communication.

Which is cheaper to rent, the A40 or the RTX 5070?

Cloud rental prices for both the A40 and RTX 5070 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 A40 have compared to the RTX 5070?

The A40 has 48 GB of GDDR6 memory. The RTX 5070 has 12 GB of GDDR7 memory.

Can I find A40 and RTX 5070 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 A40 and the RTX 5070?

The A40 uses the Ampere architecture (2020) while the RTX 5070 uses Blackwell (2025). The RTX 5070 delivers 1.1x the FP16 throughput and 1.6x the memory bandwidth of the A40.

A40 vs RTX 5070 Ti: 48GB GDDR6 vs 12GB GDDR7 | GPUPerHour