AMD Radeon R9 M390 Mac Edition vs AMD Radeon R9 M380 Mac Edition

VS

AMD Radeon R9 M390 Mac Edition

AMD Radeon R9 M380 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM Radeon R9 M380 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 100.4GB/s)

256 additional rendering cores

AMD Radeon R9 M380 Mac Edition 's Advantages

Boost Clock1021MHz

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +25%

1.962 TFLOPS

Radeon R9 M380 Mac Edition

1.568 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon R9 M380 Mac Edition

Graphics Card

May 2015

Release Date

May 2015

Crystal System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1021 MHz

1365 MHz

Memory Clock

1568 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

100.4GB/s

Render Config

16

Compute Units

12

-

1024

Shading Units

768

64

TMUs

48

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

16.34 GPixel/s

61.31 GTexel/s

Texture Rate

49.01 GTexel/s

-

1.962 TFLOPS

FP32 (float)

1.568 TFLOPS

122.6 GFLOPS

FP64 (double)

98.02 GFLOPS

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

Strato

Pitcairn PRO (215-0828062)

GPU Variant

Strato PRO

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.08 billion

212 mm²

Die Size

160 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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