AMD Radeon 550X Mobile vs AMD Radeon HD 7550M

VS

AMD Radeon 550X Mobile

AMD Radeon HD 7550M

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 1024MB VRAM Radeon HD 7550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 6 years and 3 months late

Boost Clock has increased by 134% (1287MHz vs 550MHz)

More VRAM (4GB vs 1024GB)

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

240 additional rendering cores

AMD Radeon HD 7550M 's Advantages

Lower TDP (14W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +274%

1.647 TFLOPS

Radeon HD 7550M

0.44 TFLOPS

Radeon 550X Mobile

VS

Radeon HD 7550M

Graphics Card

Apr 2018

Release Date

Jan 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

450 MHz

1287 MHz

Boost Clock

550 MHz

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

14.40GB/s

Render Config

10

Compute Units

5

-

640

Shading Units

400

40

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

4.400 GPixel/s

51.48 GTexel/s

Texture Rate

11.00 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

440.0 GFLOPS

103.0 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

Thames

Polaris 23 MXT

GPU Variant

Thames LP

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.716 billion

103 mm²

Die Size

104 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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