GPU Comparison

NVIDIA RTX 3090vsNVIDIA A40

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

NVIDIA

NVIDIA RTX 3090

Ampere · 2020

VRAM24 GB GDDR6X
FP3235.6 TFLOPS
FP1671 TFLOPS
Bandwidth936 GB/s
TDP350W
Price$0.22/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 RTX 3090NVIDIA A40
ArchitectureAmpereAmpere
VRAM24 GB48 GB+50%
Memory TypeGDDR6XGDDR6
Memory Bandwidth936 GB/s+34.5%696 GB/s
FP32 Performance35.6 TFLOPS37.4 TFLOPS+4.8%
FP16 Performance71 TFLOPS74.8 TFLOPS+5.1%
INT8 Performance284 TOPS299 TOPS+5%
TDP350W300W
Form FactorConsumerPCIe
Price (avg/hr)$0.22$0.75

Performance · Analysis

Performance breakdown.

Compute (FP32)

Raw single-precision floating point throughput

NVIDIA RTX 3090
35.6TFLOPS
NVIDIA A40
37.4TFLOPSWinner

NVIDIA A40 is 4.8% faster

Training (FP16)

Half-precision performance for deep learning training

NVIDIA RTX 3090
71TFLOPS
NVIDIA A40
74.8TFLOPSWinner

NVIDIA A40 is 5.1% faster

Inference (INT8)

Integer performance for model inference workloads

NVIDIA RTX 3090
284TOPS
NVIDIA A40
299TOPSWinner

NVIDIA A40 is 5% faster

Memory Bandwidth

Data transfer rate between memory and compute units

NVIDIA RTX 3090
936GB/sWinner
NVIDIA A40
696GB/s

NVIDIA RTX 3090 is 34.5% faster

Best Compute

NVIDIA A40

Most Memory

NVIDIA A40

Best Training

NVIDIA A40

Best Value

NVIDIA RTX 3090

Pricing · Cost

Cost comparison.

Hourly

NVIDIA RTX 3090
$0.22/hr
NVIDIA A40
$0.75/hr

Save $0.53 with NVIDIA RTX 3090

Daily

NVIDIA RTX 3090
$5.28/day
NVIDIA A40
$18.00/day

Save $12.72 with NVIDIA RTX 3090

Monthly

NVIDIA RTX 3090
$158.40/mo
NVIDIA A40
$540.00/mo

Save $381.60 with NVIDIA RTX 3090

Use Cases · Workloads

Best for your workload.

NVIDIA

NVIDIA RTX 3090

AI Prototyping
Content Creation
Budget ML Training
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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