AMD Radeon 550X vs AMD Radeon Pro W6900X

VS

AMD Radeon 550X

AMD Radeon Pro W6900X

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 32GB VRAM Radeon Pro W6900X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Lower TDP (50W vs 300W)

AMD Radeon Pro W6900X 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 77% (2150MHz vs 1218MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 112.0GB/s)

4608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

Radeon Pro W6900X +1665%

22.02 TFLOPS

Radeon 550X

VS

Radeon Pro W6900X

Graphics Card

Mar 2019

Release Date

Aug 2021

Polaris

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1082 MHz

Base Clock

1825 MHz

1218 MHz

Boost Clock

2150 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

512.0GB/s

Render Config

8

Compute Units

80

-

512

Shading Units

5120

32

TMUs

320

16

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

275.2 GPixel/s

38.98 GTexel/s

Texture Rate

688.0 GTexel/s

1247 GFLOPS

FP16 (half)

44.03 TFLOPS

1247 GFLOPS

FP32 (float)

22.02 TFLOPS

77.95 GFLOPS

FP64 (double)

1376 GFLOPS

Board Design

50W

TDP

300W

250 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 4x Thunderbolt

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Navi 21

Lexa PRO (215-0904018)

GPU Variant

Navi 21 Pro-XTA

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

2.2 billion

Transistors

26.8 billion

103 mm²

Die Size

520 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.5

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