AMD Radeon HD 8550M vs AMD Radeon 550X Mobile

VS

AMD Radeon HD 8550M

AMD Radeon 550X Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8550M and 4GB VRAM Radeon 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 51% (1287MHz vs 850MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8550M

0.544 TFLOPS

Radeon 550X Mobile +202%

1.647 TFLOPS

Radeon HD 8550M

VS

Radeon 550X Mobile

Graphics Card

Jul 2014

Release Date

Apr 2018

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

650 MHz

Base Clock

1100 MHz

850 MHz

Boost Clock

1287 MHz

900 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

48.00GB/s

Render Config

5

Compute Units

10

-

320

Shading Units

640

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

20.59 GPixel/s

17.00 GTexel/s

Texture Rate

51.48 GTexel/s

-

FP16 (half)

1.647 TFLOPS

544.0 GFLOPS

FP32 (float)

1.647 TFLOPS

34.00 GFLOPS

FP64 (double)

103.0 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Polaris 23

Sun S3 LE (216-0841036)

GPU Variant

Polaris 23 MXT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.69 billion

Transistors

2.2 billion

56 mm²

Die Size

103 mm²

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

-

6.5 (5.1)

Shader Model

6.4

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