GPU Comparison

NVIDIA A100 SXMvsNVIDIA A40

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

NVIDIA

NVIDIA A100 SXM

Ampere · 2020

VRAM80 GB HBM2e
FP3219.5 TFLOPS
FP1678 TFLOPS
Bandwidth2039 GB/s
TDP400W
Price$1.05/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 SXMNVIDIA A40
ArchitectureAmpereAmpere
VRAM80 GB+66.7%48 GB
Memory TypeHBM2eGDDR6
Memory Bandwidth2039 GB/s+193.0%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
TDP400W300W
Form FactorSXMPCIe
Price (avg/hr)$1.05$0.75

Performance · Analysis

Performance breakdown.

Compute (FP32)

Raw single-precision floating point throughput

NVIDIA A100 SXM
19.5TFLOPS
NVIDIA A40
37.4TFLOPSWinner

NVIDIA A40 is 47.9% faster

Training (FP16)

Half-precision performance for deep learning training

NVIDIA A100 SXM
78TFLOPSWinner
NVIDIA A40
74.8TFLOPS

NVIDIA A100 SXM is 4.3% faster

Inference (INT8)

Integer performance for model inference workloads

NVIDIA A100 SXM
624TOPSWinner
NVIDIA A40
299TOPS

NVIDIA A100 SXM is 108.7% faster

Memory Bandwidth

Data transfer rate between memory and compute units

NVIDIA A100 SXM
2039GB/sWinner
NVIDIA A40
696GB/s

NVIDIA A100 SXM is 193% faster

Best Compute

NVIDIA A40

Most Memory

NVIDIA A100 SXM

Best Training

NVIDIA A100 SXM

Best Value

NVIDIA A40

Pricing · Cost

Cost comparison.

Hourly

NVIDIA A100 SXM
$1.05/hr
NVIDIA A40
$0.75/hr

Save $0.30 with NVIDIA A40

Daily

NVIDIA A100 SXM
$25.20/day
NVIDIA A40
$18.00/day

Save $7.20 with NVIDIA A40

Monthly

NVIDIA A100 SXM
$756.00/mo
NVIDIA A40
$540.00/mo

Save $216.00 with NVIDIA A40

Use Cases · Workloads

Best for your workload.

NVIDIA

NVIDIA A100 SXM

ML Training
AI Inference
Data Analytics
HPC
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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