AMD Radeon R9 M385X vs AMD Radeon R9 M395 Mac Edition

VS

AMD Radeon R9 M385X AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Boost Clock1100MHz

More VRAM (4GB vs 2GB)

AMD Radeon R9 M395 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 76.80GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X

1.971 TFLOPS

Radeon R9 M395 Mac Edition +51%

2.989 TFLOPS

Radeon R9 M385X

VS

Radeon R9 M395 Mac Edition

Graphics Card

May 2015

Release Date

May 2015

Gem System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

1365 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

174.7GB/s

Render Config

-

SM Count

-

14

Compute Units

28

896

Shading Units

1792

56

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

26.69 GPixel/s

61.60 GTexel/s

Texture Rate

93.41 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

2.989 TFLOPS

123.2 GFLOPS

FP64 (double)

373.6 GFLOPS

Graphics Processor

Strato

GPU Name

Amethyst

Strato XT

GPU Variant

Amethyst PRO (216-0872004)

GCN 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

5 billion

160 mm²

Die Size

366 mm²

Board Design

Unknown

TDP

250W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

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

-

CUDA

-

6.5

Shader Model

6.3

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