AMD Radeon R9 M390X vs NVIDIA GeForce 930M

VS

AMD Radeon R9 M390X

NVIDIA GeForce 930M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 2GB VRAM GeForce 930M 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 930M 's Advantages

Boost Clock941MHz

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X +309%

2.961 TFLOPS

GeForce 930M

0.723 TFLOPS

Radeon R9 M390X

VS

GeForce 930M

Graphics Card

May 2015

Release Date

Mar 2015

Crystal System

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

928 MHz

-

Boost Clock

941 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

7.528 GPixel/s

92.54 GTexel/s

Texture Rate

22.58 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

722.7 GFLOPS

185.1 GFLOPS

FP64 (double)

22.58 GFLOPS

Board Design

75W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GM108

Amethyst XT

GPU Variant

N16S-GM

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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