AMD Radeon HD 8550M vs AMD Radeon Pro 555X

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8550M 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 HD 8550M 's Advantages

Boost Clock850MHz

AMD Radeon Pro 555X 's Advantages

Released 4 years late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (94.08GB/s vs 14.40GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8550M

0.544 TFLOPS

Radeon Pro 555X +156%

1.393 TFLOPS

Radeon HD 8550M

VS

Radeon Pro 555X

Graphics Card

Jul 2014

Release Date

Jul 2018

Solar System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

650 MHz

Base Clock

-

850 MHz

Boost Clock

-

900 MHz

Memory Clock

1470 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

94.08GB/s

Render Config

-

SM Count

-

5

Compute Units

12

320

Shading Units

768

20

TMUs

48

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

Theoretical Performance

6.800 GPixel/s

Pixel Rate

14.51 GPixel/s

17.00 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

544.0 GFLOPS

FP32 (float)

1393 GFLOPS

34.00 GFLOPS

FP64 (double)

87.07 GFLOPS

Graphics Processor

Sun

GPU Name

Polaris 21

Sun S3 LE (216-0841036)

GPU Variant

Polaris 21 PRO

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.69 billion

Transistors

3 billion

56 mm²

Die Size

123 mm²

Board Design

Unknown

TDP

75W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

CUDA

-

6.5 (5.1)

Shader Model

6.4

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