AMD Radeon Instinct MI250X vs AMD Radeon Instinct MI50

VS

AMD Radeon Instinct MI250X

AMD Radeon Instinct MI50

We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI250X and 16GB VRAM Radeon Instinct MI50 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI250X 's Advantages

Released 3 years late

More VRAM (128GB vs 16GB)

Larger VRAM bandwidth (3277GB/s vs 1020GB/s)

10240 additional rendering cores

AMD Radeon Instinct MI50 's Advantages

Boost Clock has increased by 3% (1746MHz vs 1700MHz)

Lower TDP (300W vs 500W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI250X +256%

47.87 TFLOPS

Radeon Instinct MI50

13.41 TFLOPS

Radeon Instinct MI250X

VS

Radeon Instinct MI50

Graphics Card

Nov 2021

Release Date

Nov 2018

Radeon Instinct

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1200 MHz

1700 MHz

Boost Clock

1746 MHz

1600 MHz

Memory Clock

1000 MHz

Memory

128GB

Memory Size

16GB

HBM2e

Memory Type

HBM2

8192bit

Memory Bus

4096bit

3277GB/s

Bandwidth

1020GB/s

Render Config

220

Compute Units

60

-

14080

Shading Units

3840

880

TMUs

240

0

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

4 MB

-

Theoretical Performance

0 MPixel/s

Pixel Rate

111.7 GPixel/s

1496 GTexel/s

Texture Rate

419.0 GTexel/s

383.0 TFLOPS

FP16 (half)

26.82 TFLOPS

47.87 TFLOPS

FP32 (float)

13.41 TFLOPS

47.87 TFLOPS

FP64 (double)

6.705 TFLOPS

Board Design

500W

TDP

300W

900 W

Suggested PSU

700 W

No outputs

Outputs

1x mini-DisplayPort 1.4a

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Aldebaran

GPU Name

Vega 20

Aldebaran XT

GPU Variant

Vega 20 GLXT

CDNA 2.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

58.2 billion

Transistors

13.23 billion

Unknown

Die Size

331 mm²

Graphics Features

N/A

DirectX

12 (12_1)

N/A

OpenGL

4.6

3.0

OpenCL

2.1

N/A

Vulkan

1.3

-

N/A

Shader Model

6.7

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