AMD Radeon Pro W6800X Duo vs AMD Radeon RX 550X

VS

AMD Radeon Pro W6800X Duo

AMD Radeon RX 550X

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 66% (1967MHz vs 1183MHz)

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 96.00GB/s)

3328 additional rendering cores

AMD Radeon RX 550X 's Advantages

Lower TDP (50W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +1147%

15.11 TFLOPS

Radeon RX 550X

1.211 TFLOPS

Radeon Pro W6800X Duo

VS

Radeon RX 550X

Graphics Card

Aug 2021

Release Date

Dec 2018

Radeon Pro Mac

Generation

Polaris

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x8

Clock Speeds

1800 MHz

Base Clock

1100 MHz

1967 MHz

Boost Clock

1183 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

32GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

96.00GB/s

Render Config

60

Compute Units

8

-

3840

Shading Units

512

240

TMUs

32

96

ROPs

16

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

128 MB

L3 Cache

-

Theoretical Performance

188.8 GPixel/s

Pixel Rate

18.93 GPixel/s

472.1 GTexel/s

Texture Rate

37.86 GTexel/s

30.21 TFLOPS

FP16 (half)

1211 GFLOPS

15.11 TFLOPS

FP32 (float)

1211 GFLOPS

944.2 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

400W

TDP

50W

800 W

Suggested PSU

250 W

1x HDMI 2.1 4x Thunderbolt

Outputs

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

None

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Lexa

Navi 21 Pro-XLA

GPU Variant

Lexa PRO (215-0904018)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

2.2 billion

520 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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