AMD Radeon Pro 555X vs AMD Radeon RX 550 Mobile

VS

AMD Radeon Pro 555X

AMD Radeon RX 550 Mobile

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

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 1 years late

More VRAM (4GB vs 2GB)

128 additional rendering cores

AMD Radeon RX 550 Mobile 's Advantages

Boost Clock1287MHz

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

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

Radeon RX 550 Mobile +18%

1.647 TFLOPS

Radeon Pro 555X

VS

Radeon RX 550 Mobile

Graphics Card

Jul 2018

Release Date

Jul 2017

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1287 MHz

1470 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

94.08GB/s

Bandwidth

96.00GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

640

48

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

20.59 GPixel/s

43.54 GTexel/s

Texture Rate

51.48 GTexel/s

1393 GFLOPS

FP16 (half)

1.647 TFLOPS

1393 GFLOPS

FP32 (float)

1.647 TFLOPS

87.07 GFLOPS

FP64 (double)

103.0 GFLOPS

Board Design

75W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

Lexa

Polaris 21 PRO

GPU Variant

Lexa PRO (215-0904018)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

3 billion

Transistors

2.2 billion

123 mm²

Die Size

103 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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