NVIDIA A100 PCIe vs AMD Radeon Instinct MI250

VS

NVIDIA A100 PCIe AMD Radeon Instinct MI250

AI GPU We compared a GPU: 40GB VRAM A100 PCIe and a Professional market GPU: 128GB VRAM Radeon Instinct MI250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A100 PCIe 's Advantages

Lower TDP (250W vs 500W)

AMD Radeon Instinct MI250 's Advantages

Released 1 years and 5 months late

Boost Clock has increased by 21% (1700MHz vs 1410MHz)

More VRAM (128GB vs 40GB)

Larger VRAM bandwidth (3277GB/s vs 1555GB/s)

6400 additional rendering cores

Score

Benchmark

FP32 (float)

A100 PCIe

19.49 TFLOPS

Radeon Instinct MI250 +132%

45.26 TFLOPS

A100 PCIe

VS

Radeon Instinct MI250

Graphics Card

Jun 2020

Release Date

Nov 2021

Tesla

Generation

Radeon Instinct

AI GPU

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

765 MHz

Base Clock

1000 MHz

1410 MHz

Boost Clock

1700 MHz

1215 MHz

Memory Clock

1600 MHz

Memory

40GB

Memory Size

128GB

HBM2e

Memory Type

HBM2e

5120bit

Memory Bus

8192bit

1555GB/s

Bandwidth

3277GB/s

Render Config

108

SM Count

-

Compute Units

208

6912

Shading Units

13312

432

TMUs

832

160

ROPs

0

432

Tensor Cores

-

RT Cores

-

192 KB (per SM)

L1 Cache

16 KB (per CU)

40 MB

L2 Cache

16 MB

Theoretical Performance

225.6 GPixel/s

Pixel Rate

0 MPixel/s

609.1 GTexel/s

Texture Rate

1414 GTexel/s

77.97 TFLOPS

FP16 (half)

362.1 TFLOPS

19.49 TFLOPS

FP32 (float)

45.26 TFLOPS

9.746 TFLOPS

FP64 (double)

45.26 TFLOPS

Graphics Processor

GA100

GPU Name

Aldebaran

-

GPU Variant

Aldebaran

Ampere

Architecture

CDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

54.2 billion

Transistors

58.2 billion

826 mm²

Die Size

Unknown

Board Design

250W

TDP

500W

600 W

Suggested PSU

900 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

2x 8-pin

Graphics Features

N/A

DirectX

N/A

OpenGL

N/A

3.0

OpenCL

3.0

N/A

Vulkan

N/A

8.0

CUDA

-

N/A

Shader Model

N/A

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