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GPU Specification Sheet
September 1, 2026
flopper.io/gpu/nvidia-a40-48gb
NVIDIA A40 48GB
Ampere
PCIe
2021
Overview
37.4
FP32 TFLOPS
48 GB
VRAM GDDR6
696 GB/s
Memory Bandwidth
300 W
TDP
Performance Metrics
Precision
Peak (dense)
2:4 Sparse
Bits
Type
INT8
299.3
598.6
8
Standard
INT4
598.7
1197.4
4
Standard
FP16
149.7
299.4
16
Standard
BF16
149.7
299.4
16
Standard
TF32
74.8
149.6
32
Standard
FP32
37.4
—
32
Standard
Memory Specifications
Capacity
48 GB
Type
GDDR6
Bandwidth
696 GB/s
Interface Width
384-bit
Power & Efficiency
TDP
300 W
Est. Max Power
345 W
FP32 Efficiency
0.12 TFLOPS/W
FP16 Efficiency
0.50 TFLOPS/W
Hardware Details
Vendor:
NVIDIA
Architecture:
Ampere
Process Node:
—
Form Factor:
PCIe
Launch Year:
2021
Variant:
48GB
Enterprise Features
Sparsity:
Yes