AMD Radeon Pro 555X vs AMD Radeon HD 7550M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X 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 Pro 555X 's Advantages

Released 6 years and 6 months late

More VRAM (4GB vs 1GB)

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

368 additional rendering cores

AMD Radeon HD 7550M 's Advantages

Boost Clock550MHz

Lower TDP (14W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555X +216%

1.393 TFLOPS

Radeon HD 7550M

0.44 TFLOPS

Radeon Pro 555X

VS

Radeon HD 7550M

Graphics Card

Jul 2018

Release Date

Jan 2012

Radeon Pro Mac

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

450 MHz

-

Boost Clock

550 MHz

1470 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

94.08GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

12

Compute Units

5

768

Shading Units

400

48

TMUs

20

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

4.400 GPixel/s

43.54 GTexel/s

Texture Rate

11.00 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

440.0 GFLOPS

87.07 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 21

GPU Name

Thames

Polaris 21 PRO

GPU Variant

Thames LP

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.716 billion

123 mm²

Die Size

104 mm²

Board Design

75W

TDP

14W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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