AMD Radeon R9 M395X vs AMD Radeon R7 M445

VS

AMD Radeon R9 M395X

AMD Radeon R7 M445

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M395X and 4GB VRAM Radeon R7 M445 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (160.0GB/s vs 32.00GB/s)

1728 additional rendering cores

AMD Radeon R7 M445 's Advantages

Released 1 years late

Boost Clock920MHz

Score

Benchmark

FP32 (float)

Radeon R9 M395X +403%

2.961 TFLOPS

Radeon R7 M445

0.588 TFLOPS

Radeon R9 M395X

VS

Radeon R7 M445

Graphics Card

May 2015

Release Date

May 2016

Crystal System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

920 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

32.00GB/s

Render Config

32

Compute Units

5

-

2048

Shading Units

320

128

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

7.360 GPixel/s

92.54 GTexel/s

Texture Rate

18.40 GTexel/s

2.961 TFLOPS

FP16 (half)

588.8 GFLOPS

2.961 TFLOPS

FP32 (float)

588.8 GFLOPS

185.1 GFLOPS

FP64 (double)

36.80 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Meso

Amethyst XT

GPU Variant

Meso PRO (216-0864032)

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.55 billion

366 mm²

Die Size

125 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5

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