AMD Radeon R9 M395 Mac Edition vs NVIDIA GeForce 940A

VS

AMD Radeon R9 M395 Mac Edition

NVIDIA GeForce 940A

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 1024MB VRAM GeForce 940A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395 Mac Edition 's Advantages

More VRAM (2GB vs 1024GB)

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

1408 additional rendering cores

NVIDIA GeForce 940A 's Advantages

Boost Clock1124MHz

Lower TDP (33W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395 Mac Edition +246%

2.989 TFLOPS

GeForce 940A

0.863 TFLOPS

Radeon R9 M395 Mac Edition

VS

GeForce 940A

Graphics Card

May 2015

Release Date

Mar 2015

Crystal System

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

1365 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

16.02GB/s

Render Config

28

Compute Units

-

1792

Shading Units

384

112

TMUs

16

32

ROPs

8

-

L1 Cache

64 KB (per SMM)

-

L2 Cache

1024 KB

-

Theoretical Performance

26.69 GPixel/s

Pixel Rate

8.992 GPixel/s

93.41 GTexel/s

Texture Rate

17.98 GTexel/s

-

2.989 TFLOPS

FP32 (float)

863.2 GFLOPS

373.6 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

250W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

GM108

Amethyst PRO (216-0872004)

GPU Variant

-

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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