AMD Radeon Instinct MI250 vs NVIDIA L40 CNX

VS

AMD Radeon Instinct MI250 NVIDIA L40 CNX

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI250 and 24GB VRAM L40 CNX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI250 's Advantages

More VRAM (128GB vs 24GB)

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

NVIDIA L40 CNX 's Advantages

Released 11 months late

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

4864 additional rendering cores

Lower TDP (300W vs 500W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI250

45.26 TFLOPS

L40 CNX +98%

89.97 TFLOPS

Radeon Instinct MI250

VS

L40 CNX

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

1005 MHz

1700 MHz

Boost Clock

2475 MHz

1600 MHz

Memory Clock

2250 MHz

Memory

128GB

Memory Size

24GB

HBM2e

Memory Type

GDDR6

8192bit

Memory Bus

384bit

3277GB/s

Bandwidth

864.0GB/s

Render Config

-

SM Count

142

208

Compute Units

-

13312

Shading Units

18176

832

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

475.2 GPixel/s

1414 GTexel/s

Texture Rate

1406 GTexel/s

362.1 TFLOPS

FP16 (half)

89.97 TFLOPS

45.26 TFLOPS

FP32 (float)

89.97 TFLOPS

45.26 TFLOPS

FP64 (double)

1406 GFLOPS

Graphics Processor

Aldebaran

GPU Name

AD102

Aldebaran

GPU Variant

AD102-???-A1

CDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

6 nm

Process Size

4 nm

58.2 billion

Transistors

76.3 billion

Unknown

Die Size

608 mm²

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 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

6.6

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