NVIDIA L40S vs NVIDIA A800 SXM4 80 GB

VS

NVIDIA L40S

NVIDIA A800 SXM4 80 GB

AI GPU We compared a Professional market GPU: 48GB VRAM L40S and a GPU: 80GB VRAM A800 SXM4 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L40S 's Advantages

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

11264 additional rendering cores

Lower TDP (300W vs 400W)

NVIDIA A800 SXM4 80 GB 's Advantages

More VRAM (80GB vs 48GB)

Larger VRAM bandwidth (2039GB/s vs 864.0GB/s)

Score

Benchmark

FP32 (float)

L40S +370%

91.61 TFLOPS

A800 SXM4 80 GB

19.49 TFLOPS

L40S

VS

A800 SXM4 80 GB

Graphics Card

Oct 2022

Release Date

Aug 2022

Tesla Ada

Generation

Ampere

Professional

Type

AI GPU

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1110 MHz

Base Clock

1155 MHz

2520 MHz

Boost Clock

1410 MHz

2250 MHz

Memory Clock

1593 MHz

Memory

48GB

Memory Size

80GB

GDDR6

Memory Type

HBM2e

384bit

Memory Bus

5120bit

864.0GB/s

Bandwidth

2039GB/s

Render Config

-

142

SM Count

108

18176

Shading Units

6912

568

TMUs

432

192

ROPs

160

568

Tensor Cores

432

142

RT Cores

-

128 KB (per SM)

L1 Cache

192 KB (per SM)

48 MB

L2 Cache

40 MB

-

Theoretical Performance

483.8 GPixel/s

Pixel Rate

225.6 GPixel/s

1431 GTexel/s

Texture Rate

609.1 GTexel/s

91.61 TFLOPS

FP16 (half)

77.97 TFLOPS

91.61 TFLOPS

FP32 (float)

19.49 TFLOPS

1431 GFLOPS

FP64 (double)

9.746 TFLOPS

Board Design

300W

TDP

400W

700 W

Suggested PSU

800 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

GA100

AD102-???-A1

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

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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