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A40 PCIe

General
ManufacturerNVIDIA
SeriesServer Ampere(Axx)
GPU NameGA102
ArchitectureAmpere
GenerationServer Ampere(Axx)
Release DateOct 2020
Bus InterfacePCIe 4.0 x16
Process & Die
FoundrySamsung
Process Size8 nm
Transistors28,300 M
Transistor Density45,100 K/mm²
Die Size628 mm²
Chip PackageBGA-3328
Clock Speeds
Base Clock1,305 MHz
Boost Clock1,740 MHz
Memory
VRAM48 GB
Memory TypeGDDR6
Memory Clock1,812 MHz
Memory Bus384-bit
Bandwidth695.8 GB/s
Processing Units
Shading Units10,752
TMUs336
ROPs112
SMs84
Tensor Cores336
RT Cores84
Cache
L1 Cache128 KB
L2 Cache6 MB
Power & Thermals
TDP300 W
Suggested PSU700 W
Power Connectors8-pin EPS
Dimensions
Board Length267 mm
Board Width111 mm
Outputs
Display Connectors3x DisplayPort 1.4a
API Support
DirectX12.2
OpenGL4.6
Vulkan1.3
OpenCL3.0
CUDA8.6
Shader Model6.8
Theoretical Performance
Pixel Rate194.9 GP/s
Texture Rate584.6 GT/s
FP16 (Half)37,420 GFLOPS
FP32 (Single)37,420 GFLOPS
FP64 (Double)584.6 GFLOPS
External
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