NVIDIA L40G vs AMD Radeon Instinct MI250X

VS

NVIDIA L40G

AMD Radeon Instinct MI250X

We compared two Professional market GPUs: 24GB VRAM L40G and 128GB VRAM Radeon Instinct MI250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L40G 's Advantages

Released 11 months late

Boost Clock has increased by 46% (2475MHz vs 1700MHz)

4096 additional rendering cores

Lower TDP (300W vs 500W)

AMD Radeon Instinct MI250X 's Advantages

More VRAM (128GB vs 24GB)

Larger VRAM bandwidth (3277GB/s vs 864.0GB/s)

Score

Benchmark

FP32 (float)

L40G +87%

89.97 TFLOPS

Radeon Instinct MI250X

47.87 TFLOPS

L40G

VS

Radeon Instinct MI250X

Graphics Card

Oct 2022

Release Date

Nov 2021

Tesla Ada

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1005 MHz

Base Clock

1000 MHz

2475 MHz

Boost Clock

1700 MHz

2250 MHz

Memory Clock

1600 MHz

Memory

24GB

Memory Size

128GB

GDDR6

Memory Type

HBM2e

384bit

Memory Bus

8192bit

864.0GB/s

Bandwidth

3277GB/s

Render Config

-

Compute Units

220

142

SM Count

-

18176

Shading Units

14080

568

TMUs

880

192

ROPs

0

568

Tensor Cores

-

142

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

48 MB

L2 Cache

16 MB

-

Theoretical Performance

475.2 GPixel/s

Pixel Rate

0 MPixel/s

1406 GTexel/s

Texture Rate

1496 GTexel/s

89.97 TFLOPS

FP16 (half)

383.0 TFLOPS

89.97 TFLOPS

FP32 (float)

47.87 TFLOPS

1406 GFLOPS

FP64 (double)

47.87 TFLOPS

Board Design

300W

TDP

500W

700 W

Suggested PSU

900 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

2x 8-pin

Graphics Processor

AD102

GPU Name

Aldebaran

AD102-???-A1

GPU Variant

Aldebaran XT

Ada Lovelace

Architecture

CDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

6 nm

76.3 billion

Transistors

58.2 billion

608 mm²

Die Size

Unknown

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

-

6.6

Shader Model

N/A

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