AMD Radeon HD 6430M vs AMD Radeon Pro 555X

VS

AMD Radeon HD 6430M

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6430M 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 Pro 555X 's Advantages

Released 7 years and 6 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (94.08GB/s vs 12.80GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6430M

0.153 TFLOPS

Radeon Pro 555X +810%

1.393 TFLOPS

Radeon HD 6430M

VS

Radeon Pro 555X

Graphics Card

Jan 2011

Release Date

Jul 2018

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

800 MHz

Memory Clock

1470 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

94.08GB/s

Render Config

2

Compute Units

12

-

160

Shading Units

768

8

TMUs

48

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

1.920 GPixel/s

Pixel Rate

14.51 GPixel/s

3.840 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

153.6 GFLOPS

FP32 (float)

1393 GFLOPS

-

FP64 (double)

87.07 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Polaris 21

Seymour LP S3 (216-0809020)

GPU Variant

Polaris 21 PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

3 billion

67 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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