AMD Radeon R9 M385X vs AMD Radeon Pro 580

VS

AMD Radeon R9 M385X

AMD Radeon Pro 580

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 8GB VRAM Radeon Pro 580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580 's Advantages

Released 2 years and 1 months late

Boost Clock has increased by 9% (1200MHz vs 1100MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (217.0GB/s vs 76.80GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X

1.971 TFLOPS

Radeon Pro 580 +180%

5.53 TFLOPS

Radeon R9 M385X

VS

Radeon Pro 580

Graphics Card

May 2015

Release Date

Jun 2017

Gem System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

1100 MHz

Boost Clock

1200 MHz

Memory Clock

1695 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

217.0GB/s

Render Config

14

Compute Units

36

-

896

Shading Units

2304

56

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

38.40 GPixel/s

61.60 GTexel/s

Texture Rate

172.8 GTexel/s

-

FP16 (half)

5.530 TFLOPS

1.971 TFLOPS

FP32 (float)

5.530 TFLOPS

123.2 GFLOPS

FP64 (double)

345.6 GFLOPS

Board Design

Unknown

TDP

185W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

Ellesmere

Strato XT

GPU Variant

Ellesmere XTA (216-0886220)

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

5.7 billion

160 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.4

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