NVIDIA L20 vs NVIDIA A100 PCIe 80 GB

VS

NVIDIA L20 NVIDIA A100 PCIe 80 GB

We compared a Desktop platform GPU: 48GB VRAM L20 and a Professional market GPU: 80GB VRAM A100 PCIe 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L20 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 79% (2520MHz vs 1410MHz)

4864 additional rendering cores

Lower TDP (275W vs 300W)

NVIDIA A100 PCIe 80 GB 's Advantages

More VRAM (80GB vs 48GB)

Larger VRAM bandwidth (1935GB/s vs 864.0GB/s)

Score

Benchmark

FP32 (float)

L20 +204%

59.35 TFLOPS

A100 PCIe 80 GB

19.49 TFLOPS

L20

VS

A100 PCIe 80 GB

Graphics Card

Nov 2023

Release Date

Jun 2021

Tesla Ada

Generation

Tesla Ampere

Desktop

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1440 MHz

Base Clock

1065 MHz

2520 MHz

Boost Clock

1410 MHz

2250 MHz

Memory Clock

1512 MHz

Memory

48GB

Memory Size

80GB

GDDR6

Memory Type

HBM2e

384bit

Memory Bus

5120bit

864.0GB/s

Bandwidth

1935GB/s

Render Config

92

SM Count

108

-

Compute Units

-

11776

Shading Units

6912

368

TMUs

432

128

ROPs

160

368

Tensor Cores

432

92

RT Cores

-

128 KB (per SM)

L1 Cache

192 KB (per SM)

96 MB

L2 Cache

80 MB

Theoretical Performance

322.6 GPixel/s

Pixel Rate

225.6 GPixel/s

927.4 GTexel/s

Texture Rate

609.1 GTexel/s

59.35 TFLOPS

FP16 (half)

77.97 TFLOPS

59.35 TFLOPS

FP32 (float)

19.49 TFLOPS

927.4 GFLOPS

FP64 (double)

9.746 TFLOPS

Graphics Processor

AD102

GPU Name

GA100

AD102

GPU Variant

-

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

76.3 billion

Transistors

54.2 billion

609 mm²

Die Size

826 mm²

Board Design

275W

TDP

300W

600 W

Suggested PSU

700 W

4x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

8-pin EPS

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

8.9

CUDA

8.0

6.7

Shader Model

N/A

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