AMD Radeon RX 550X Mobile vs AMD Radeon Pro 455

VS

AMD Radeon RX 550X Mobile

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550X Mobile and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X Mobile 's Advantages

Released 1 years and 6 months late

Boost Clock1176MHz

AMD Radeon Pro 455 's Advantages

Larger VRAM bandwidth (81.28GB/s vs 48.00GB/s)

128 additional rendering cores

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile +14%

1.505 TFLOPS

Radeon Pro 455

1.313 TFLOPS

Radeon RX 550X Mobile

VS

Radeon Pro 455

Graphics Card

Apr 2018

Release Date

Oct 2016

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

-

1176 MHz

Boost Clock

-

1500 MHz

Memory Clock

1270 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

81.28GB/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

18.82 GPixel/s

Pixel Rate

13.68 GPixel/s

47.04 GTexel/s

Texture Rate

41.04 GTexel/s

1.505 TFLOPS

FP16 (half)

1313 GFLOPS

1.505 TFLOPS

FP32 (float)

1313 GFLOPS

94.08 GFLOPS

FP64 (double)

82.08 GFLOPS

Board Design

50W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

Baffin

Polaris 23 MXT

GPU Variant

Baffin 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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