AMD Radeon Instinct MI8 vs AMD Radeon Instinct MI250X

VS

AMD Radeon Instinct MI8 AMD Radeon Instinct MI250X

We compared two Professional market GPUs: 4GB VRAM Radeon Instinct MI8 and 128GB VRAM Radeon Instinct MI250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI8 's Advantages

Lower TDP (175W vs 500W)

AMD Radeon Instinct MI250X 's Advantages

Released 4 years and 11 months late

Boost Clock1700MHz

More VRAM (128GB vs 4GB)

Larger VRAM bandwidth (3277GB/s vs 512.0GB/s)

9984 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Instinct MI8

8.192 TFLOPS

Radeon Instinct MI250X +484%

47.87 TFLOPS

Radeon Instinct MI8

VS

Radeon Instinct MI250X

Graphics Card

Dec 2016

Release Date

Nov 2021

Radeon Instinct

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1700 MHz

500 MHz

Memory Clock

1600 MHz

Memory

4GB

Memory Size

128GB

HBM

Memory Type

HBM2e

4096bit

Memory Bus

8192bit

512.0GB/s

Bandwidth

3277GB/s

Render Config

-

SM Count

-

64

Compute Units

220

4096

Shading Units

14080

256

TMUs

880

64

ROPs

0

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

16 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

0 MPixel/s

256.0 GTexel/s

Texture Rate

1496 GTexel/s

8.192 TFLOPS

FP16 (half)

383.0 TFLOPS

8.192 TFLOPS

FP32 (float)

47.87 TFLOPS

512.0 GFLOPS

FP64 (double)

47.87 TFLOPS

Graphics Processor

Fiji

GPU Name

Aldebaran

Fiji XT CA (215-0862120)

GPU Variant

Aldebaran XT

GCN 3.0

Architecture

CDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

8.9 billion

Transistors

58.2 billion

596 mm²

Die Size

Unknown

Board Design

175W

TDP

500W

450 W

Suggested PSU

900 W

No outputs

Outputs

No outputs

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

N/A

4.6

OpenGL

N/A

2.1

OpenCL

3.0

1.2.170

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

N/A

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