AMD Radeon Instinct MI100 vs NVIDIA RTX A4000

VS

AMD Radeon Instinct MI100

NVIDIA RTX A4000

We compared two Professional market GPUs: 32GB VRAM Radeon Instinct MI100 and 16GB VRAM RTX A4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI100 's Advantages

More VRAM (32GB vs 16GB)

Larger VRAM bandwidth (1229GB/s vs 448.0GB/s)

1536 additional rendering cores

NVIDIA RTX A4000 's Advantages

Boost Clock has increased by 4% (1560MHz vs 1502MHz)

Lower TDP (140W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI100 +20%

23.07 TFLOPS

RTX A4000

19.17 TFLOPS

Radeon Instinct MI100

VS

RTX A4000

Graphics Card

Nov 2020

Release Date

Apr 2021

Radeon Instinct

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

735 MHz

1502 MHz

Boost Clock

1560 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

32GB

Memory Size

16GB

HBM2

Memory Type

GDDR6

4096bit

Memory Bus

256bit

1229GB/s

Bandwidth

448.0GB/s

Render Config

120

Compute Units

-

SM Count

48

7680

Shading Units

6144

480

TMUs

192

64

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB (per SM)

8 MB

L2 Cache

4 MB

-

Theoretical Performance

96.13 GPixel/s

Pixel Rate

149.8 GPixel/s

721.0 GTexel/s

Texture Rate

299.5 GTexel/s

184.6 TFLOPS

FP16 (half)

19.17 TFLOPS

23.07 TFLOPS

FP32 (float)

19.17 TFLOPS

11.54 TFLOPS

FP64 (double)

299.5 GFLOPS

Board Design

300W

TDP

140W

700 W

Suggested PSU

300 W

No outputs

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Arcturus

GPU Name

GA104

Arcturus XL

GPU Variant

GA104-875-A1

CDNA 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

25.6 billion

Transistors

17.4 billion

750 mm²

Die Size

392 mm²

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

2.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

N/A

Shader Model

6.7

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