AMD Radeon R9 M390 Mac Edition vs AMD Radeon R7 M365X

VS

AMD Radeon R9 M390 Mac Edition

AMD Radeon R7 M365X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM Radeon R7 M365X 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

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)

640 additional rendering cores

AMD Radeon R7 M365X 's Advantages

Boost Clock960MHz

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +209%

1.962 TFLOPS

Radeon R7 M365X

0.633 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon R7 M365X

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 x8

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

960 MHz

1365 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

64.00GB/s

Render Config

16

Compute Units

6

-

1024

Shading Units

384

64

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

6.600 GPixel/s

61.31 GTexel/s

Texture Rate

19.80 GTexel/s

-

1.962 TFLOPS

FP32 (float)

633.6 GFLOPS

122.6 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

Litho

Pitcairn PRO (215-0828062)

GPU Variant

Litho XT (216-0868010)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

0.95 billion

212 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5 (5.1)

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