AMD Radeon RX 550 Mobile vs AMD Radeon Pro 555X

VS

AMD Radeon RX 550 Mobile

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550 Mobile and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 Mobile 's Advantages

Boost Clock1287MHz

Larger VRAM bandwidth (96.00GB/s vs 94.08GB/s)

Lower TDP (50W vs 75W)

AMD Radeon Pro 555X 's Advantages

Released 1 years late

More VRAM (4GB vs 2GB)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 Mobile +18%

1.647 TFLOPS

Radeon Pro 555X

1.393 TFLOPS

Radeon RX 550 Mobile

VS

Radeon Pro 555X

Graphics Card

Jul 2017

Release Date

Jul 2018

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

94.08GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

768

40

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

14.51 GPixel/s

51.48 GTexel/s

Texture Rate

43.54 GTexel/s

1.647 TFLOPS

FP16 (half)

1393 GFLOPS

1.647 TFLOPS

FP32 (float)

1393 GFLOPS

103.0 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

50W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Polaris 21

Lexa PRO (215-0904018)

GPU Variant

Polaris 21 PRO

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

3 billion

103 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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