AMD Radeon R9 M390 Mac Edition vs AMD Radeon RX 470 Mobile

VS

AMD Radeon R9 M390 Mac Edition

AMD Radeon RX 470 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 8GB VRAM Radeon RX 470 Mobile 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

Lower TDP (80W vs 85W)

AMD Radeon RX 470 Mobile 's Advantages

Released 1 years and 3 months late

Boost Clock1074MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 174.7GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition

1.962 TFLOPS

Radeon RX 470 Mobile +124%

4.399 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon RX 470 Mobile

Graphics Card

May 2015

Release Date

Aug 2016

Crystal System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1074 MHz

1365 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

224.0GB/s

Render Config

16

Compute Units

32

-

1024

Shading Units

2048

64

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

34.37 GPixel/s

61.31 GTexel/s

Texture Rate

137.5 GTexel/s

-

FP16 (half)

4.399 TFLOPS

1.962 TFLOPS

FP32 (float)

4.399 TFLOPS

122.6 GFLOPS

FP64 (double)

274.9 GFLOPS

Board Design

80W

TDP

85W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Ellesmere

Pitcairn PRO (215-0828062)

GPU Variant

Ellesmere PRO

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

5.7 billion

212 mm²

Die Size

232 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

-

5.1

Shader Model

6.4

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