AMD Radeon Instinct MI250X vs NVIDIA RTX A6000

VS

AMD Radeon Instinct MI250X

NVIDIA RTX A6000

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI250X and 48GB VRAM RTX A6000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI250X 's Advantages

Released 1 years and 1 months late

More VRAM (128GB vs 48GB)

Larger VRAM bandwidth (3277GB/s vs 768.0GB/s)

3328 additional rendering cores

NVIDIA RTX A6000 's Advantages

Boost Clock has increased by 6% (1800MHz vs 1700MHz)

Lower TDP (300W vs 500W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI250X +23%

47.87 TFLOPS

RTX A6000

38.71 TFLOPS

Radeon Instinct MI250X

VS

RTX A6000

Graphics Card

Nov 2021

Release Date

Oct 2020

Radeon Instinct

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1410 MHz

1700 MHz

Boost Clock

1800 MHz

1600 MHz

Memory Clock

2000 MHz

Memory

128GB

Memory Size

48GB

HBM2e

Memory Type

GDDR6

8192bit

Memory Bus

384bit

3277GB/s

Bandwidth

768.0GB/s

Render Config

220

Compute Units

-

SM Count

84

14080

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

383.0 TFLOPS

FP16 (half)

38.71 TFLOPS

47.87 TFLOPS

FP32 (float)

38.71 TFLOPS

47.87 TFLOPS

FP64 (double)

604.8 GFLOPS

Board Design

500W

TDP

300W

900 W

Suggested PSU

700 W

No outputs

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

8-pin EPS

Graphics Processor

Aldebaran

GPU Name

GA102

Aldebaran XT

GPU Variant

-

CDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

6 nm

Process Size

8 nm

58.2 billion

Transistors

28.3 billion

Unknown

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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