AMD Radeon Instinct MI100 vs NVIDIA GRID A100A

VS

AMD Radeon Instinct MI100 NVIDIA GRID A100A

We compared two Professional market GPUs: 32GB VRAM Radeon Instinct MI100 and 48GB VRAM GRID A100A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI100 's Advantages

Released 6 months late

Boost Clock has increased by 49% (1502MHz vs 1005MHz)

768 additional rendering cores

Lower TDP (300W vs 400W)

NVIDIA GRID A100A 's Advantages

More VRAM (48GB vs 32GB)

Larger VRAM bandwidth (1866GB/s vs 1229GB/s)

Score

Benchmark

FP32 (float)

Radeon Instinct MI100 +66%

23.07 TFLOPS

GRID A100A

13.89 TFLOPS

Radeon Instinct MI100

VS

GRID A100A

Graphics Card

Nov 2020

Release Date

May 2020

Radeon Instinct

Generation

GRID

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

900 MHz

1502 MHz

Boost Clock

1005 MHz

1200 MHz

Memory Clock

1215 MHz

Memory

32GB

Memory Size

48GB

HBM2

Memory Type

HBM2e

4096bit

Memory Bus

6144bit

1229GB/s

Bandwidth

1866GB/s

Render Config

-

SM Count

108

120

Compute Units

-

7680

Shading Units

6912

480

TMUs

432

64

ROPs

192

-

Tensor Cores

432

-

RT Cores

-

16 KB (per CU)

L1 Cache

192 KB (per SM)

8 MB

L2 Cache

48 MB

Theoretical Performance

96.13 GPixel/s

Pixel Rate

193.0 GPixel/s

721.0 GTexel/s

Texture Rate

434.2 GTexel/s

184.6 TFLOPS

FP16 (half)

55.57 TFLOPS

23.07 TFLOPS

FP32 (float)

13.89 TFLOPS

11.54 TFLOPS

FP64 (double)

6.947 TFLOPS

Graphics Processor

Arcturus

GPU Name

GA100

Arcturus XL

GPU Variant

-

CDNA 1.0

Architecture

Ampere

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

25.6 billion

Transistors

54.2 billion

750 mm²

Die Size

826 mm²

Board Design

300W

TDP

400W

700 W

Suggested PSU

800 W

No outputs

Outputs

No outputs

2x 8-pin

Power Connectors

None

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

2.1

OpenCL

3.0

N/A

Vulkan

N/A

-

CUDA

8.0

N/A

Shader Model

N/A

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