AMD Radeon 550X vs AMD Radeon Pro W6400

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We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 4GB VRAM Radeon Pro W6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6400 's Advantages

Released 2 years and 10 months late

Boost Clock has increased by 91% (2331MHz vs 1218MHz)

More VRAM (4GB vs 2GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

Radeon Pro W6400 +187%

3.58 TFLOPS

Radeon 550X

VS

Radeon Pro W6400

Graphics Card

Mar 2019

Release Date

Jan 2022

Polaris

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1082 MHz

Base Clock

2331 MHz

1218 MHz

Boost Clock

2331 MHz

1750 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

112.0GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

8

Compute Units

12

512

Shading Units

768

32

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

74.59 GPixel/s

38.98 GTexel/s

Texture Rate

111.9 GTexel/s

1247 GFLOPS

FP16 (half)

7.161 TFLOPS

1247 GFLOPS

FP32 (float)

3.580 TFLOPS

77.95 GFLOPS

FP64 (double)

223.8 GFLOPS

Graphics Processor

Lexa

GPU Name

Navi 24

Lexa PRO (215-0904018)

GPU Variant

Navi 24 XL-W

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

2.2 billion

Transistors

5.4 billion

103 mm²

Die Size

107 mm²

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

2x DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.6

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