NVIDIA RTX A4000 vs AMD Radeon Instinct MI50

VS

NVIDIA RTX A4000 AMD Radeon Instinct MI50

We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 16GB VRAM Radeon Instinct MI50 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 's Advantages

Released 2 years and 5 months late

Larger VRAM bandwidth (448.0GB/s vs 1.02GB/s)

2304 additional rendering cores

Lower TDP (140W vs 300W)

AMD Radeon Instinct MI50 's Advantages

Boost Clock has increased by 12% (1746MHz vs 1560MHz)

Score

Benchmark

FP32 (float)

RTX A4000 +42%

19.17 TFLOPS

Radeon Instinct MI50

13.41 TFLOPS

RTX A4000

VS

Radeon Instinct MI50

Graphics Card

Apr 2021

Release Date

Nov 2018

Quadro Ampere

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

735 MHz

Base Clock

1200 MHz

1560 MHz

Boost Clock

1746 MHz

1750 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

HBM2

256bit

Memory Bus

4096bit

448.0GB/s

Bandwidth

1.02TB/s

Render Config

48

SM Count

-

Compute Units

60

6144

Shading Units

3840

192

TMUs

240

96

ROPs

64

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

4 MB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

111.7 GPixel/s

299.5 GTexel/s

Texture Rate

419.0 GTexel/s

19.17 TFLOPS

FP16 (half)

26.82 TFLOPS

19.17 TFLOPS

FP32 (float)

13.41 TFLOPS

299.5 GFLOPS

FP64 (double)

6.705 TFLOPS

Graphics Processor

GA104

GPU Name

Vega 20

GA104-875-A1

GPU Variant

Vega 20 GLXT

Ampere

Architecture

GCN 5.1

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

17.4 billion

Transistors

13.23 billion

392 mm²

Die Size

331 mm²

Board Design

140W

TDP

300W

300 W

Suggested PSU

700 W

4x DisplayPort 1.4a

Outputs

1x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.7

Shader Model

6.7

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