AMD Radeon Instinct MI100 vs AMD Radeon Instinct MI8

VS

AMD Radeon Instinct MI100 AMD Radeon Instinct MI8

We compared two Professional market GPUs: 32GB VRAM Radeon Instinct MI100 and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI100 's Advantages

Released 3 years and 11 months late

Boost Clock1502MHz

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (1229GB/s vs 512.0GB/s)

3584 additional rendering cores

AMD Radeon Instinct MI8 's Advantages

Lower TDP (175W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI100 +181%

23.07 TFLOPS

Radeon Instinct MI8

8.192 TFLOPS

Radeon Instinct MI100

VS

Radeon Instinct MI8

Graphics Card

Nov 2020

Release Date

Dec 2016

Radeon Instinct

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1502 MHz

Boost Clock

-

1200 MHz

Memory Clock

500 MHz

Memory

32GB

Memory Size

4GB

HBM2

Memory Type

HBM

4096bit

Memory Bus

4096bit

1229GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

120

Compute Units

64

7680

Shading Units

4096

480

TMUs

256

64

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

8 MB

L2 Cache

2 MB

Theoretical Performance

96.13 GPixel/s

Pixel Rate

64.00 GPixel/s

721.0 GTexel/s

Texture Rate

256.0 GTexel/s

184.6 TFLOPS

FP16 (half)

8.192 TFLOPS

23.07 TFLOPS

FP32 (float)

8.192 TFLOPS

11.54 TFLOPS

FP64 (double)

512.0 GFLOPS

Graphics Processor

Arcturus

GPU Name

Fiji

Arcturus XL

GPU Variant

Fiji XT CA (215-0862120)

CDNA 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

25.6 billion

Transistors

8.9 billion

750 mm²

Die Size

596 mm²

Board Design

300W

TDP

175W

700 W

Suggested PSU

450 W

No outputs

Outputs

No outputs

2x 8-pin

Power Connectors

1x 8-pin

Graphics Features

N/A

DirectX

12 (12_0)

N/A

OpenGL

4.6

2.1

OpenCL

2.1

N/A

Vulkan

1.2.170

-

CUDA

-

N/A

Shader Model

6.5

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