AMD Radeon Instinct MI25 vs NVIDIA A100 PCIe

VS

AMD Radeon Instinct MI25 NVIDIA A100 PCIe

AI GPU We compared a Professional market GPU: 16GB VRAM Radeon Instinct MI25 and a GPU: 40GB VRAM A100 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI25 's Advantages

Boost Clock has increased by 6% (1500MHz vs 1410MHz)

NVIDIA A100 PCIe 's Advantages

Released 3 years late

More VRAM (40GB vs 16GB)

Larger VRAM bandwidth (1555GB/s vs 436.2GB/s)

2816 additional rendering cores

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI25

12.29 TFLOPS

A100 PCIe +58%

19.49 TFLOPS

Radeon Instinct MI25

VS

A100 PCIe

Graphics Card

Jun 2017

Release Date

Jun 2020

Radeon Instinct

Generation

Tesla

Professional

Type

AI GPU

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1400 MHz

Base Clock

765 MHz

1500 MHz

Boost Clock

1410 MHz

852 MHz

Memory Clock

1215 MHz

Memory

16GB

Memory Size

40GB

HBM2

Memory Type

HBM2e

2048bit

Memory Bus

5120bit

436.2GB/s

Bandwidth

1555GB/s

Render Config

-

SM Count

108

64

Compute Units

-

4096

Shading Units

6912

256

TMUs

432

64

ROPs

160

-

Tensor Cores

432

-

RT Cores

-

16 KB (per CU)

L1 Cache

192 KB (per SM)

4 MB

L2 Cache

40 MB

Theoretical Performance

96.00 GPixel/s

Pixel Rate

225.6 GPixel/s

384.0 GTexel/s

Texture Rate

609.1 GTexel/s

24.58 TFLOPS

FP16 (half)

77.97 TFLOPS

12.29 TFLOPS

FP32 (float)

19.49 TFLOPS

768.0 GFLOPS

FP64 (double)

9.746 TFLOPS

Graphics Processor

Vega 10

GPU Name

GA100

Vega 10 XT GL (215-0894124)

GPU Variant

-

GCN 5.0

Architecture

Ampere

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

12.5 billion

Transistors

54.2 billion

495 mm²

Die Size

826 mm²

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

2x 8-pin

Power Connectors

8-pin EPS

Graphics Features

12 (12_1)

DirectX

N/A

4.6

OpenGL

N/A

2.1

OpenCL

3.0

1.2

Vulkan

N/A

-

CUDA

8.0

6.4

Shader Model

N/A

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