AMD Radeon R7 M445 vs AMD Radeon R9 M395X Mac Edition

VS

AMD Radeon R7 M445

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M445 and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M445 's Advantages

Released 1 years late

Boost Clock920MHz

AMD Radeon R9 M395X Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 32.00GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M445

0.588 TFLOPS

Radeon R9 M395X Mac Edition +533%

3.723 TFLOPS

Radeon R7 M445

VS

Radeon R9 M395X Mac Edition

Graphics Card

May 2016

Release Date

May 2015

Gem System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

780 MHz

Base Clock

-

920 MHz

Boost Clock

-

1000 MHz

Memory Clock

1365 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

174.7GB/s

Render Config

5

Compute Units

32

-

320

Shading Units

2048

20

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

29.09 GPixel/s

18.40 GTexel/s

Texture Rate

116.4 GTexel/s

588.8 GFLOPS

FP16 (half)

3.723 TFLOPS

588.8 GFLOPS

FP32 (float)

3.723 TFLOPS

36.80 GFLOPS

FP64 (double)

232.7 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

Amethyst

Meso PRO (216-0864032)

GPU Variant

Amethyst XT

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

5 billion

125 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.3

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