NVIDIA GeForce GTX 1080 Max Q vs AMD Radeon R9 M390X

VS

NVIDIA GeForce GTX 1080 Max Q AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1080 Max Q and 4GB VRAM Radeon R9 M390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Max Q 's Advantages

Released 2 years and 1 months late

Boost Clock1468MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (320.3GB/s vs 160.0GB/s)

512 additional rendering cores

AMD Radeon R9 M390X 's Advantages

Lower TDP (75W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Max Q +153%

7.516 TFLOPS

Radeon R9 M390X

2.961 TFLOPS

GeForce GTX 1080 Max Q

VS

Radeon R9 M390X

Graphics Card

Jun 2017

Release Date

May 2015

GeForce 10 Mobile

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1290 MHz

Base Clock

-

1468 MHz

Boost Clock

-

1251 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

4GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

256bit

320.3GB/s

Bandwidth

160.0GB/s

Render Config

20

SM Count

-

Compute Units

32

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

93.95 GPixel/s

Pixel Rate

23.14 GPixel/s

234.9 GTexel/s

Texture Rate

92.54 GTexel/s

117.4 GFLOPS

FP16 (half)

2.961 TFLOPS

7.516 TFLOPS

FP32 (float)

2.961 TFLOPS

234.9 GFLOPS

FP64 (double)

185.1 GFLOPS

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

Board Design

150W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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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