AMD Radeon R9 M395 Mac Edition vs NVIDIA GeForce GTX 780M

VS

AMD Radeon R9 M395 Mac Edition

NVIDIA GeForce GTX 780M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 4GB VRAM GeForce GTX 780M 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

Released 2 years late

Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)

256 additional rendering cores

NVIDIA GeForce GTX 780M 's Advantages

Boost Clock797MHz

More VRAM (4GB vs 2GB)

Lower TDP (122W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395 Mac Edition +22%

2.989 TFLOPS

GeForce GTX 780M

2.448 TFLOPS

Radeon R9 M395 Mac Edition

VS

GeForce GTX 780M

Graphics Card

May 2015

Release Date

May 2013

Crystal System

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

1365 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

160.0GB/s

Render Config

28

Compute Units

-

1792

Shading Units

1536

112

TMUs

128

32

ROPs

32

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

512 KB

-

Theoretical Performance

26.69 GPixel/s

Pixel Rate

25.50 GPixel/s

93.41 GTexel/s

Texture Rate

102.0 GTexel/s

-

2.989 TFLOPS

FP32 (float)

2.448 TFLOPS

373.6 GFLOPS

FP64 (double)

102.0 GFLOPS

Board Design

250W

TDP

122W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GK104

Amethyst PRO (216-0872004)

GPU Variant

N14E-GTX-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

3.54 billion

366 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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