AMD Radeon R9 M395X vs NVIDIA GeForce 940MX

VS

AMD Radeon R9 M395X

NVIDIA GeForce 940MX

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M395X and 2GB VRAM GeForce 940MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 16.02GB/s)

1664 additional rendering cores

NVIDIA GeForce 940MX 's Advantages

Released 8 months late

Boost Clock1242MHz

Lower TDP (23W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X +210%

2.961 TFLOPS

GeForce 940MX

0.954 TFLOPS

Radeon R9 M395X

VS

GeForce 940MX

Graphics Card

May 2015

Release Date

Jan 2016

Crystal System

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1004 MHz

-

Boost Clock

1242 MHz

1250 MHz

Memory Clock

1001 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

16.02GB/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

9.936 GPixel/s

92.54 GTexel/s

Texture Rate

29.81 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

953.9 GFLOPS

185.1 GFLOPS

FP64 (double)

29.81 GFLOPS

Board Design

75W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GM108

Amethyst XT

GPU Variant

N16S-GTR-S

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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