AMD Instinct MI300X vs NVIDIA RTX A6000

VS

AMD Instinct MI300X

NVIDIA RTX A6000

We compared two Professional market GPUs: 192GB VRAM AMD Instinct MI300X and 48GB VRAM RTX A6000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Instinct MI300X 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 17% (2100MHz vs 1800MHz)

More VRAM (192GB vs 48GB)

Larger VRAM bandwidth (5300GB/s vs 768.0GB/s)

8704 additional rendering cores

NVIDIA RTX A6000 's Advantages

Lower TDP (300W vs 750W)

Score

Benchmark

FP32 (float)

AMD Instinct MI300X +322%

163.4 TFLOPS

RTX A6000

38.71 TFLOPS

AMD Instinct MI300X

VS

RTX A6000

Graphics Card

Dec 2023

Release Date

Oct 2020

Instinct

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1410 MHz

2100 MHz

Boost Clock

1800 MHz

5200 MHz

Memory Clock

2000 MHz

Memory

192GB

Memory Size

48GB

HBM3

Memory Type

GDDR6

8192bit

Memory Bus

384bit

5300GB/s

Bandwidth

768.0GB/s

Render Config

304

Compute Units

-

SM Count

84

19456

Shading Units

10752

880

TMUs

336

0

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

16 MB

L2 Cache

6 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

201.6 GPixel/s

1496 GTexel/s

Texture Rate

604.8 GTexel/s

1300 TFLOPS

FP16 (half)

38.71 TFLOPS

163.4 TFLOPS

FP32 (float)

38.71 TFLOPS

81.7 TFLOPS

FP64 (double)

604.8 GFLOPS

Board Design

750W

TDP

300W

1000 W

Suggested PSU

700 W

No outputs

Outputs

4x DisplayPort 1.4a

None

Power Connectors

8-pin EPS

Graphics Processor

MI300

GPU Name

GA102

-

CDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

146 billion

Transistors

28.3 billion

1017 mm²

Die Size

628 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

8.6

N/A

Shader Model

6.7

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