AMD Radeon Pro 580X vs AMD Radeon R9 M385X

VS

AMD Radeon Pro 580X

AMD Radeon R9 M385X

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

Main Differences

AMD Radeon Pro 580X 's Advantages

Released 3 years and 10 months late

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

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (218.9GB/s vs 76.80GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 580X +180%

5.53 TFLOPS

Radeon R9 M385X

1.971 TFLOPS

Radeon Pro 580X

VS

Radeon R9 M385X

Graphics Card

Mar 2019

Release Date

May 2015

Radeon Pro Mac

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

1000 MHz

1200 MHz

Boost Clock

1100 MHz

1710 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

218.9GB/s

Bandwidth

76.80GB/s

Render Config

36

Compute Units

14

-

2304

Shading Units

896

144

TMUs

56

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

17.60 GPixel/s

172.8 GTexel/s

Texture Rate

61.60 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

1.971 TFLOPS

345.6 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

185W

TDP

Unknown

-

2x HDMI 2.0b

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Strato

Ellesmere XTA (216-0886220)

GPU Variant

Strato XT

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.08 billion

232 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5

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