NVIDIA GRID A100B vs AMD Radeon Instinct MI8

VS

NVIDIA GRID A100B

AMD Radeon Instinct MI8

We compared two Professional market GPUs: 48GB VRAM GRID A100B and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID A100B 's Advantages

Released 3 years and 5 months late

Boost Clock1005MHz

More VRAM (48GB vs 4GB)

Larger VRAM bandwidth (1866GB/s vs 512.0GB/s)

2816 additional rendering cores

AMD Radeon Instinct MI8 's Advantages

Lower TDP (175W vs 400W)

Score

Benchmark

FP32 (float)

GRID A100B +69%

13.89 TFLOPS

Radeon Instinct MI8

8.192 TFLOPS

GRID A100B

VS

Radeon Instinct MI8

Graphics Card

May 2020

Release Date

Dec 2016

GRID

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

-

1005 MHz

Boost Clock

-

1215 MHz

Memory Clock

500 MHz

Memory

48GB

Memory Size

4GB

HBM2e

Memory Type

HBM

6144bit

Memory Bus

4096bit

1866GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

64

108

SM Count

-

6912

Shading Units

4096

432

TMUs

256

192

ROPs

64

432

Tensor Cores

-

192 KB (per SM)

L1 Cache

16 KB (per CU)

48 MB

L2 Cache

2 MB

-

Theoretical Performance

193.0 GPixel/s

Pixel Rate

64.00 GPixel/s

434.2 GTexel/s

Texture Rate

256.0 GTexel/s

55.57 TFLOPS

FP16 (half)

8.192 TFLOPS

13.89 TFLOPS

FP32 (float)

8.192 TFLOPS

6.947 TFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

400W

TDP

175W

800 W

Suggested PSU

450 W

No outputs

Outputs

No outputs

None

Power Connectors

1x 8-pin

Graphics Processor

GA100

GPU Name

Fiji

-

GPU Variant

Fiji XT CA (215-0862120)

Ampere

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

54.2 billion

Transistors

8.9 billion

826 mm²

Die Size

596 mm²

Graphics Features

N/A

DirectX

12 (12_0)

N/A

OpenGL

4.6

3.0

OpenCL

2.1

N/A

Vulkan

1.2.170

8.0

CUDA

-

N/A

Shader Model

6.5

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