NVIDIA GeForce GTX 1080 Mobile vs AMD Radeon R9 M395X Mac Edition

VS

NVIDIA GeForce GTX 1080 Mobile

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1080 Mobile 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

NVIDIA GeForce GTX 1080 Mobile 's Advantages

Released 1 years and 3 months late

Boost Clock1734MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (320.3GB/s vs 174.7GB/s)

512 additional rendering cores

Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Mobile +138%

8.878 TFLOPS

Radeon R9 M395X Mac Edition

3.723 TFLOPS

GeForce GTX 1080 Mobile

VS

Radeon R9 M395X Mac Edition

Graphics Card

Aug 2016

Release Date

May 2015

GeForce 10 Mobile

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1556 MHz

Base Clock

-

1734 MHz

Boost Clock

-

1251 MHz

Memory Clock

1365 MHz

Memory

8GB

Memory Size

4GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

256bit

320.3GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

32

20

SM Count

-

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

111.0 GPixel/s

Pixel Rate

29.09 GPixel/s

277.4 GTexel/s

Texture Rate

116.4 GTexel/s

138.7 GFLOPS

FP16 (half)

3.723 TFLOPS

8.878 TFLOPS

FP32 (float)

3.723 TFLOPS

277.4 GFLOPS

FP64 (double)

232.7 GFLOPS

Board Design

150W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GP104

GPU Name

Amethyst

N17E-G3-A1

GPU Variant

Amethyst XT

Pascal

Architecture

GCN 3.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

5 billion

314 mm²

Die Size

366 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

6.1

CUDA

-

6.4

Shader Model

6.3

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