AMD Radeon Pro 555X vs AMD Radeon R5 A320

VS

AMD Radeon Pro 555X

AMD Radeon R5 A320

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 1024MB VRAM Radeon R5 A320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 3 years and 6 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (94.08GB/s vs 16.00GB/s)

448 additional rendering cores

AMD Radeon R5 A320 's Advantages

Boost Clock825MHz

Score

Benchmark

FP32 (float)

Radeon Pro 555X +163%

1.393 TFLOPS

Radeon R5 A320

0.528 TFLOPS

Radeon Pro 555X

VS

Radeon R5 A320

Graphics Card

Jul 2018

Release Date

Jan 2015

Radeon Pro Mac

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

750 MHz

-

Boost Clock

825 MHz

1470 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

94.08GB/s

Bandwidth

16.00GB/s

Render Config

12

Compute Units

5

-

768

Shading Units

320

48

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

6.600 GPixel/s

43.54 GTexel/s

Texture Rate

16.50 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

528.0 GFLOPS

87.07 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

Jet

Polaris 21 PRO

GPU Variant

Jet PRO (216-0856040)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

0.69 billion

123 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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