AMD Radeon R9 M390 Mac Edition vs AMD Radeon R5 M445

VS

AMD Radeon R9 M390 Mac Edition AMD Radeon R5 M445

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 4GB VRAM Radeon R5 M445 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 32.00GB/s)

640 additional rendering cores

AMD Radeon R5 M445 's Advantages

Released 8 months late

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +177%

1.962 TFLOPS

Radeon R5 M445

0.706 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon R5 M445

Graphics Card

May 2015

Release Date

Jan 2016

Crystal System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1365 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

16

Compute Units

6

1024

Shading Units

384

64

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

30.66 GPixel/s

Pixel Rate

7.360 GPixel/s

61.31 GTexel/s

Texture Rate

22.08 GTexel/s

-

FP16 (half)

-

1.962 TFLOPS

FP32 (float)

706.6 GFLOPS

122.6 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

Meso

Pitcairn PRO (215-0828062)

GPU Variant

Meso XT (216-0864018)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.55 billion

212 mm²

Die Size

125 mm²

Board Design

80W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

-

CUDA

-

5.1

Shader Model

6.5

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