NVIDIA L40 vs NVIDIA A100 SXM4 80 GB
GPU Specs Compare
Graphics Card
Release Date
Oct 2022
Nov 2020
Generation
Tesla Ada
Tesla Ampere
Type
Professional
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
735 MHz
1275 MHz
Boost Clock
2490 MHz
1410 MHz
Memory Clock
2250 MHz
1593 MHz
Memory
Memory Size
48GB
80GB
Memory Type
GDDR6
HBM2e
Memory Bus
384bit
5120bit
Bandwidth
864.0GB/s
2039GB/s
Render Config
SM Count
142
108
Shading Units
18176
6912
TMUs
568
432
ROPs
192
160
Tensor Cores
568
432
RT Cores
142
-
L1 Cache
128 KB (per SM)
192 KB (per SM)
L2 Cache
96 MB
40 MB
Theoretical Performance
Pixel Rate
478.1 GPixel/s
225.6 GPixel/s
Texture Rate
1414 GTexel/s
609.1 GTexel/s
FP16 (half)
90.52 TFLOPS
77.97 TFLOPS
FP32 (float)
90.52 TFLOPS
19.49 TFLOPS
FP64 (double)
1414 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
AD102
GA100
GPU Variant
AD102-895-A1
-
Architecture
Ada Lovelace
Ampere
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
76.3 billion
54.2 billion
Die Size
608 mm²
826 mm²
Board Design
TDP
300W
400W
Suggested PSU
700 W
800 W
Outputs
4x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.9
8.0
Shader Model
6.6
N/A
📊 Benchmark
Blender
3,901
-