NVIDIA A100 PCIe vs NVIDIA L20
AI GPU
We compared a GPU: 40GB VRAM A100 PCIe and a Desktop platform GPU: 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA A100 PCIe 's Advantages
Larger VRAM bandwidth (1555GB/s vs 864.0GB/s)
Lower TDP (250W vs 275W)
NVIDIA L20 's Advantages
Released 3 years and 5 months late
Boost Clock has increased by 79% (2520MHz vs 1410MHz)
More VRAM (48GB vs 40GB)
4864 additional rendering cores
Score
Benchmark
FP32 (float)
A100 PCIe
19.49 TFLOPS
L20
+204%
59.35 TFLOPS
Graphics Card
Jun 2020
Release Date
Nov 2023
Tesla
Generation
Tesla Ada
AI GPU
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
765 MHz
Base Clock
1440 MHz
1410 MHz
Boost Clock
2520 MHz
1215 MHz
Memory Clock
2250 MHz
Memory
40GB
Memory Size
48GB
HBM2e
Memory Type
GDDR6
5120bit
Memory Bus
384bit
1555GB/s
Bandwidth
864.0GB/s
Render Config
-
-
-
108
SM Count
92
6912
Shading Units
11776
432
TMUs
368
160
ROPs
128
432
Tensor Cores
368
-
RT Cores
92
192 KB (per SM)
L1 Cache
128 KB (per SM)
40 MB
L2 Cache
96 MB
-
-
-
Theoretical Performance
225.6 GPixel/s
Pixel Rate
322.6 GPixel/s
609.1 GTexel/s
Texture Rate
927.4 GTexel/s
77.97 TFLOPS
FP16 (half)
59.35 TFLOPS
19.49 TFLOPS
FP32 (float)
59.35 TFLOPS
9.746 TFLOPS
FP64 (double)
927.4 GFLOPS
Board Design
250W
TDP
275W
600 W
Suggested PSU
600 W
No outputs
Outputs
4x DisplayPort 1.4a
8-pin EPS
Power Connectors
1x 16-pin
Graphics Processor
GA100
GPU Name
AD102
-
GPU Variant
AD102
Ampere
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
7 nm
Process Size
5 nm
54.2 billion
Transistors
76.3 billion
826 mm²
Die Size
609 mm²
Graphics Features
N/A
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.3
8.0
CUDA
8.9
N/A
Shader Model
6.7
