Home GPU Comparison NVIDIA A100 SXM4 80 GB vs NVIDIA L20

NVIDIA A100 SXM4 80 GB vs NVIDIA L20

NVIDIA A100 SXM4 80 GB
VS
NVIDIA L20
NVIDIA A100 SXM4 80 GB
NVIDIA L20
AI GPU We compared a GPU: 80GB VRAM A100 SXM4 80 GB 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 SXM4 80 GB 's Advantages
More VRAM (80GB vs 48GB)
Larger VRAM bandwidth (2039GB/s vs 864.0GB/s)
NVIDIA L20 's Advantages
Released 3 years late
Boost Clock has increased by 79% (2520MHz vs 1410MHz)
4864 additional rendering cores
Lower TDP (275W vs 400W)

Score

Benchmark

FP32 (float)
A100 SXM4 80 GB
19.49 TFLOPS
L20 +204%
59.35 TFLOPS
A100 SXM4 80 GB
VS
L20

Graphics Card

Nov 2020
Release Date
Nov 2023
Tesla Ampere
Generation
Tesla Ada
AI GPU
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1275 MHz
Base Clock
1440 MHz
1410 MHz
Boost Clock
2520 MHz
1593 MHz
Memory Clock
2250 MHz

Memory

80GB
Memory Size
48GB
HBM2e
Memory Type
GDDR6
5120bit
Memory Bus
384bit
2039GB/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

400W
TDP
275W
800 W
Suggested PSU
600 W
No outputs
Outputs
4x DisplayPort 1.4a
None
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

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