AMD Radeon Instinct MI300X vs NVIDIA L40G

VS

We compared two Professional market GPUs: 192GB VRAM Radeon Instinct MI300X and 24GB VRAM L40G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300X 's Advantages

Released 1 years and 2 months late

More VRAM (192GB vs 24GB)

Larger VRAM bandwidth (5171GB/s vs 864.0GB/s)

1280 additional rendering cores

NVIDIA L40G 's Advantages

Boost Clock has increased by 18% (2475MHz vs 2100MHz)

Lower TDP (300W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI300X

81.72 TFLOPS

L40G +10%

89.97 TFLOPS

Radeon Instinct MI300X

VS

L40G

Graphics Card

Dec 2023

Release Date

Oct 2022

Radeon Instinct

Generation

Tesla Ada

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1005 MHz

2100 MHz

Boost Clock

2475 MHz

2525 MHz

Memory Clock

2250 MHz

Memory

192GB

Memory Size

24GB

HBM3

Memory Type

GDDR6

8192bit

Memory Bus

384bit

5171GB/s

Bandwidth

864.0GB/s

Render Config

-

SM Count

142

304

Compute Units

-

19456

Shading Units

18176

1216

TMUs

568

0

ROPs

192

1216

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

2554 GTexel/s

Texture Rate

1406 GTexel/s

653.7 TFLOPS

FP16 (half)

89.97 TFLOPS

81.72 TFLOPS

FP32 (float)

89.97 TFLOPS

81.72 TFLOPS

FP64 (double)

1406 GFLOPS

Graphics Processor

Aqua Vanjaram

GPU Name

AD102

-

GPU Variant

AD102-???-A1

CDNA 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

153 billion

Transistors

76.3 billion

1017 mm²

Die Size

608 mm²

Board Design

750W

TDP

300W

1150 W

Suggested PSU

700 W

No outputs

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

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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