NVIDIA GRID A100A vs AMD Radeon Instinct MI25

VS

NVIDIA GRID A100A AMD Radeon Instinct MI25

We compared two Professional market GPUs: 48GB VRAM GRID A100A and 16GB VRAM Radeon Instinct MI25 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID A100A 's Advantages

Released 2 years and 11 months late

More VRAM (48GB vs 16GB)

Larger VRAM bandwidth (1866GB/s vs 436.2GB/s)

2816 additional rendering cores

AMD Radeon Instinct MI25 's Advantages

Boost Clock has increased by 49% (1500MHz vs 1005MHz)

Lower TDP (300W vs 400W)

Score

Benchmark

FP32 (float)

GRID A100A +13%

13.89 TFLOPS

Radeon Instinct MI25

12.29 TFLOPS

GRID A100A

VS

Radeon Instinct MI25

Graphics Card

May 2020

Release Date

Jun 2017

GRID

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

1400 MHz

1005 MHz

Boost Clock

1500 MHz

1215 MHz

Memory Clock

852 MHz

Memory

48GB

Memory Size

16GB

HBM2e

Memory Type

HBM2

6144bit

Memory Bus

2048bit

1866GB/s

Bandwidth

436.2GB/s

Render Config

108

SM Count

-

Compute Units

64

6912

Shading Units

4096

432

TMUs

256

192

ROPs

64

432

Tensor Cores

-

RT Cores

-

192 KB (per SM)

L1 Cache

16 KB (per CU)

48 MB

L2 Cache

4 MB

Theoretical Performance

193.0 GPixel/s

Pixel Rate

96.00 GPixel/s

434.2 GTexel/s

Texture Rate

384.0 GTexel/s

55.57 TFLOPS

FP16 (half)

24.58 TFLOPS

13.89 TFLOPS

FP32 (float)

12.29 TFLOPS

6.947 TFLOPS

FP64 (double)

768.0 GFLOPS

Graphics Processor

GA100

GPU Name

Vega 10

-

GPU Variant

Vega 10 XT GL (215-0894124)

Ampere

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

54.2 billion

Transistors

12.5 billion

826 mm²

Die Size

495 mm²

Board Design

400W

TDP

300W

800 W

Suggested PSU

700 W

No outputs

Outputs

No outputs

None

Power Connectors

2x 8-pin

Graphics Features

N/A

DirectX

12 (12_1)

N/A

OpenGL

4.6

3.0

OpenCL

2.1

N/A

Vulkan

1.2

8.0

CUDA

-

N/A

Shader Model

6.4

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