AMD Radeon R9 M390X vs NVIDIA GeForce 930MX

VS

AMD Radeon R9 M390X

NVIDIA GeForce 930MX

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 2GB VRAM GeForce 930MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1664 additional rendering cores

NVIDIA GeForce 930MX 's Advantages

Released 10 months late

Boost Clock1020MHz

Lower TDP (17W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X +278%

2.961 TFLOPS

GeForce 930MX

0.783 TFLOPS

Radeon R9 M390X

VS

GeForce 930MX

Graphics Card

May 2015

Release Date

Mar 2016

Crystal System

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

952 MHz

-

Boost Clock

1020 MHz

1250 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

14.40GB/s

Render Config

32

Compute Units

-

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

8.160 GPixel/s

92.54 GTexel/s

Texture Rate

24.48 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

783.4 GFLOPS

185.1 GFLOPS

FP64 (double)

24.48 GFLOPS

Board Design

75W

TDP

17W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GM108

Amethyst XT

GPU Variant

N16S-GMR

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

Unknown

366 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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