AMD Radeon Instinct MI250X vs NVIDIA L40S

VS

AMD Radeon Instinct MI250X

NVIDIA L40S

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI250X and 48GB VRAM L40S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI250X 's Advantages

More VRAM (128GB vs 48GB)

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

NVIDIA L40S 's Advantages

Released 11 months late

Boost Clock has increased by 48% (2520MHz vs 1700MHz)

4096 additional rendering cores

Lower TDP (300W vs 500W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI250X

47.87 TFLOPS

L40S +91%

91.61 TFLOPS

Radeon Instinct MI250X

VS

L40S

Graphics Card

Nov 2021

Release Date

Oct 2022

Radeon Instinct

Generation

Tesla Ada

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1110 MHz

1700 MHz

Boost Clock

2520 MHz

1600 MHz

Memory Clock

2250 MHz

Memory

128GB

Memory Size

48GB

HBM2e

Memory Type

GDDR6

8192bit

Memory Bus

384bit

3277GB/s

Bandwidth

864.0GB/s

Render Config

220

Compute Units

-

SM Count

142

14080

Shading Units

18176

880

TMUs

568

0

ROPs

192

-

Tensor Cores

568

-

RT Cores

142

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

48 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

483.8 GPixel/s

1496 GTexel/s

Texture Rate

1431 GTexel/s

383.0 TFLOPS

FP16 (half)

91.61 TFLOPS

47.87 TFLOPS

FP32 (float)

91.61 TFLOPS

47.87 TFLOPS

FP64 (double)

1431 GFLOPS

Board Design

500W

TDP

300W

900 W

Suggested PSU

700 W

No outputs

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Aldebaran

GPU Name

AD102

Aldebaran XT

GPU Variant

AD102-???-A1

CDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

6 nm

Process Size

5 nm

58.2 billion

Transistors

76.3 billion

Unknown

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

-

CUDA

8.9

N/A

Shader Model

6.7

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