GPU Comparison

NVIDIA A100 PCIevsNVIDIA A40

Detailed specifications, performance benchmarks, and pricing comparison to help you choose the right GPU for your AI workloads.

NVIDIA

NVIDIA A100 PCIe

Ampere · 2020

VRAM80 GB HBM2e
FP3219.5 TFLOPS
FP1678 TFLOPS
Bandwidth1935 GB/s
TDP300W
Price$0.98/hr
NVIDIA

NVIDIA A40

Ampere · 2020

Faster
VRAM48 GB GDDR6
FP3237.4 TFLOPS
FP1674.8 TFLOPS
Bandwidth696 GB/s
TDP300W
Price$0.75/hr

Specifications · Comparison

Side by side specs.

SpecNVIDIA A100 PCIeNVIDIA A40
ArchitectureAmpereAmpere
VRAM80 GB+66.7%48 GB
Memory TypeHBM2eGDDR6
Memory Bandwidth1935 GB/s+178.0%696 GB/s
FP32 Performance19.5 TFLOPS37.4 TFLOPS+47.9%
FP16 Performance78 TFLOPS+4.3%74.8 TFLOPS
INT8 Performance624 TOPS+108.7%299 TOPS
TDP300W300W
Form FactorPCIePCIe
Price (avg/hr)$0.98$0.75

Performance · Analysis

Performance breakdown.

Compute (FP32)

Raw single-precision floating point throughput

NVIDIA A100 PCIe
19.5TFLOPS
NVIDIA A40
37.4TFLOPSWinner

NVIDIA A40 is 47.9% faster

Training (FP16)

Half-precision performance for deep learning training

NVIDIA A100 PCIe
78TFLOPSWinner
NVIDIA A40
74.8TFLOPS

NVIDIA A100 PCIe is 4.3% faster

Inference (INT8)

Integer performance for model inference workloads

NVIDIA A100 PCIe
624TOPSWinner
NVIDIA A40
299TOPS

NVIDIA A100 PCIe is 108.7% faster

Memory Bandwidth

Data transfer rate between memory and compute units

NVIDIA A100 PCIe
1935GB/sWinner
NVIDIA A40
696GB/s

NVIDIA A100 PCIe is 178% faster

Best Compute

NVIDIA A40

Most Memory

NVIDIA A100 PCIe

Best Training

NVIDIA A100 PCIe

Best Value

NVIDIA A40

Pricing · Cost

Cost comparison.

Hourly

NVIDIA A100 PCIe
$0.98/hr
NVIDIA A40
$0.75/hr

Save $0.23 with NVIDIA A40

Daily

NVIDIA A100 PCIe
$23.52/day
NVIDIA A40
$18.00/day

Save $5.52 with NVIDIA A40

Monthly

NVIDIA A100 PCIe
$705.60/mo
NVIDIA A40
$540.00/mo

Save $165.60 with NVIDIA A40

Use Cases · Workloads

Best for your workload.

NVIDIA

NVIDIA A100 PCIe

ML Training
AI Inference
Edge AI
NVIDIA

NVIDIA A40

AI Inference
Graphics Rendering
Virtual Workstations
Data Science

Platform · Benefits

Why Runcrate.

Instant Deployment

Get your GPU instance running in minutes with pre-configured AI environments. No setup complexity.

Pay Per Hour

Only pay for the compute you actually use. Prepaid credits with transparent, per-hour billing.

Reliable Infrastructure

Enterprise-grade reliability with automatic failover and data persistence across sessions.

FAQ · Questions

Common questions.

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