NVIDIA GeForce 940MX vs AMD Radeon R9 M395X Mac Edition

VS

NVIDIA GeForce 940MX

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940MX 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 940MX 's Advantages

Released 8 months late

Boost Clock1242MHz

Lower TDP (23W vs 250W)

AMD Radeon R9 M395X Mac Edition 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.7GB/s vs 16.02GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 940MX

0.954 TFLOPS

Radeon R9 M395X Mac Edition +290%

3.723 TFLOPS

GeForce 940MX

VS

Radeon R9 M395X Mac Edition

Graphics Card

Jan 2016

Release Date

May 2015

GeForce 900M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1004 MHz

Base Clock

-

1242 MHz

Boost Clock

-

1001 MHz

Memory Clock

1365 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

32

-

384

Shading Units

2048

24

TMUs

128

8

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

9.936 GPixel/s

Pixel Rate

29.09 GPixel/s

29.81 GTexel/s

Texture Rate

116.4 GTexel/s

-

FP16 (half)

3.723 TFLOPS

953.9 GFLOPS

FP32 (float)

3.723 TFLOPS

29.81 GFLOPS

FP64 (double)

232.7 GFLOPS

Board Design

23W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM108

GPU Name

Amethyst

N16S-GTR-S

GPU Variant

Amethyst XT

Maxwell

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

5 billion

Unknown

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.3

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