AMD Radeon Instinct MI50 vs NVIDIA RTX A4 Mobile

VS

AMD Radeon Instinct MI50

NVIDIA RTX A4 Mobile

We compared two Professional market GPUs: 16GB VRAM Radeon Instinct MI50 and 4GB VRAM RTX A4 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI50 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (1020GB/s vs 224.0GB/s)

1792 additional rendering cores

NVIDIA RTX A4 Mobile 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 1% (1770MHz vs 1746MHz)

Score

Benchmark

FP32 (float)

Radeon Instinct MI50 +84%

13.41 TFLOPS

RTX A4 Mobile

7.25 TFLOPS

Radeon Instinct MI50

VS

RTX A4 Mobile

Graphics Card

Nov 2018

Release Date

Apr 2021

Radeon Instinct

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1200 MHz

Base Clock

1297 MHz

1746 MHz

Boost Clock

1770 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

4GB

HBM2

Memory Type

GDDR6

4096bit

Memory Bus

128bit

1020GB/s

Bandwidth

224.0GB/s

Render Config

60

Compute Units

-

SM Count

16

3840

Shading Units

2048

240

TMUs

64

ROPs

32

-

Tensor Cores

64

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

2 MB

-

Theoretical Performance

111.7 GPixel/s

Pixel Rate

56.64 GPixel/s

419.0 GTexel/s

Texture Rate

113.3 GTexel/s

26.82 TFLOPS

FP16 (half)

7.250 TFLOPS

13.41 TFLOPS

FP32 (float)

7.250 TFLOPS

6.705 TFLOPS

FP64 (double)

113.3 GFLOPS

Board Design

300W

TDP

Unknown

700 W

Suggested PSU

-

1x mini-DisplayPort 1.4a

Outputs

Portable Device Dependent

2x 8-pin

Power Connectors

None

Graphics Processor

Vega 20

GPU Name

GA107

Vega 20 GLXT

GPU Variant

-

GCN 5.1

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

13.23 billion

Transistors

8.7 billion

331 mm²

Die Size

200 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.7

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