AMD Radeon Instinct MI8 vs NVIDIA GRID A100B

VS

AMD Radeon Instinct MI8 NVIDIA GRID A100B

We compared two Professional market GPUs: 4GB VRAM Radeon Instinct MI8 and 48GB VRAM GRID A100B 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 400W)

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

Score

Benchmark

FP32 (float)

Radeon Instinct MI8

8.192 TFLOPS

GRID A100B +69%

13.89 TFLOPS

Radeon Instinct MI8

VS

GRID A100B

Graphics Card

Dec 2016

Release Date

May 2020

Radeon Instinct

Generation

GRID

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1005 MHz

500 MHz

Memory Clock

1215 MHz

Memory

4GB

Memory Size

48GB

HBM

Memory Type

HBM2e

4096bit

Memory Bus

6144bit

512.0GB/s

Bandwidth

1866GB/s

Render Config

-

SM Count

108

64

Compute Units

-

4096

Shading Units

6912

256

TMUs

432

64

ROPs

192

-

Tensor Cores

432

-

RT Cores

-

16 KB (per CU)

L1 Cache

192 KB (per SM)

2 MB

L2 Cache

48 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

193.0 GPixel/s

256.0 GTexel/s

Texture Rate

434.2 GTexel/s

8.192 TFLOPS

FP16 (half)

55.57 TFLOPS

8.192 TFLOPS

FP32 (float)

13.89 TFLOPS

512.0 GFLOPS

FP64 (double)

6.947 TFLOPS

Graphics Processor

Fiji

GPU Name

GA100

Fiji XT CA (215-0862120)

GPU Variant

-

GCN 3.0

Architecture

Ampere

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

8.9 billion

Transistors

54.2 billion

596 mm²

Die Size

826 mm²

Board Design

175W

TDP

400W

450 W

Suggested PSU

800 W

No outputs

Outputs

No outputs

1x 8-pin

Power Connectors

None

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

8.0

6.5

Shader Model

N/A

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