NVIDIA GeForce GTX 980M vs AMD Radeon R9 M395 Mac Edition

VS

NVIDIA GeForce GTX 980M

AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980M and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980M 's Advantages

Boost Clock1127MHz

More VRAM (8GB vs 2GB)

AMD Radeon R9 M395 Mac Edition 's Advantages

Released 7 months late

Larger VRAM bandwidth (174.7GB/s vs 160.4GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980M +15%

3.462 TFLOPS

Radeon R9 M395 Mac Edition

2.989 TFLOPS

GeForce GTX 980M

VS

Radeon R9 M395 Mac Edition

Graphics Card

Oct 2014

Release Date

May 2015

GeForce 900M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1038 MHz

Base Clock

-

1127 MHz

Boost Clock

-

1253 MHz

Memory Clock

1365 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.4GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

28

-

1536

Shading Units

1792

96

TMUs

112

64

ROPs

32

-

48 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

72.13 GPixel/s

Pixel Rate

26.69 GPixel/s

108.2 GTexel/s

Texture Rate

93.41 GTexel/s

-

3.462 TFLOPS

FP32 (float)

2.989 TFLOPS

108.2 GFLOPS

FP64 (double)

373.6 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM204

GPU Name

Amethyst

N16E-GX-A1

GPU Variant

Amethyst PRO (216-0872004)

Maxwell 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

5 billion

398 mm²

Die Size

366 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

5.2

CUDA

-

6.7 (6.4)

Shader Model

6.3

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